Here are some common situations about second-hand gear hobbing machines: 1、 Price Range Ordinary domestic second-hand gear hobbing machines, such as Y3150 and other models, generally cost around 30000 to 100000 yuan. Newer domestically produced CNC gear hobbing machines: prices may range from 100000 to 300000 yuan. Imported second-hand gear hobbing machines: The prices of imported second-hand gear hobbing machines from countries such as Germany and Switzerland are relatively high, usually around 200000 to 500000 yuan, and some high-end models can even reach over 1 million yuan. For example, the ZFWZ3150/30 gear hobbing machine from Germany's Mordor has an 80% new price of around 1.25 million yuan. 2、 Factors affecting prices Brand and place of origin: International renowned brands such as Germany's Mordor and Switzerland's Laisenhauer gear hobbing machines generally have higher prices than domestic gear hobbing machines due to their advanced technology, exquisite craftsmanship, and stable performance. Among domestic gear hobbing machines, equipment produced by established enterprises such as Chongqing Machine Tool Factory and Wuhan Heavy duty Machine Tool Factory is relatively more recognized by the market, and the price is also higher than some small brands. Equipment model and specifications: The larger the specifications such as machining diameter, module, and machining accuracy of the gear hobbing machine, the higher the price. For example, the German 1250 hobbing machine can process a diameter of up to 1600mm, with a module of 20 and a price of around 81500 yuan, while the small Swiss WAHLI W92 small gear hobbing machine has a maximum processing diameter of only 10 millimeters and a maximum module of 0.5, with a relatively lower price. Service life and degree of newness: Gear hobbing machines with short service life and high degree of newness are usually priced higher than those with long service life and outdated equipment. Generally speaking, gear hobbing machines with a service life of less than 5 years and minimal wear on appearance and internal components can be priced at around 60% to 80% of new equipment; And for gear hobbing machines with a service life of over 10 years, the price may only be 30% to 50% of that of new equipment. Accuracy and performance: Hobbing machines with high machining accuracy and stable performance, such as CNC hobbing machines that can achieve level 6 or higher precision, are much more expensive than ordinary precision hobbing machines. Because high-precision gear hobbing machines have obvious advantages in processing complex gears and precision gears, they can meet the needs of enterprises with high requirements for gear quality. Accessories and Configuration: Hobbing machines equipped with complete accessories and advanced control systems, tools, and other configurations will be more expensive. For example, gear hobbing machines equipped with automatic loading and unloading devices, online detection systems, special cutting tools, and other accessories will be priced around 20% to 50% higher in the second-hand market than regular gear hobbing machines. Market supply and demand relationship: When there is a high demand for gear hobbing machines in the market and the supply of second-hand gear hobbing machines is relatively low, prices will rise; On the contrary, the price will decrease. For example, in some emerging gear processing industry clusters, there is a strong demand for hobbing machines, and the price of second-hand hobbing machines will be relatively high.

To determine the accuracy of the used three coordinates, you can start from the following aspects:  First, check the hardware condition of the equipment  guide rail: check the surface of the guide rail to see if there are scratches, wear and tear, rust and corrosion, etc., you can judge by observing the glossiness and flatness of the surface of the guide rail. If there is obvious wear and tear, it will reduce the precision of movement during measurement and affect the accuracy of the measurement results. Screws and gears: Check whether the threads of the screws are worn or deformed, whether the rotation is smooth, and whether there is any stagnation or abnormal sound. Gears with worn teeth, missing teeth and other problems will lead to a decline in transmission precision, affecting the accuracy of coordinate positioning. Probe: Check whether there is any damage or deformation of the probe, whether the probe can be normally retracted and reset, and whether the connection between the probe and the measuring machine is firm. You can also check the calibration of the probe and ask the seller to provide a recent probe calibration report to find out whether the calibration accuracy of the probe is within the specified range. Scale and encoder: Check that the surface of the scale is clean and free from scratches and dirt, and that the scale reading is accurate. Encoder if there is a failure or precision degradation, will lead to the measuring machine displacement measurement is not accurate. Second, check the software and parameter settings  measurement software: check whether the version of the measurement software is a newer and stable version, whether the function is complete, whether it can run normally. The functions of the software can be tested, such as data acquisition, processing, analysis, graphic display, etc., to see if there is any abnormality. Precision parameter settings: Check the precision parameter settings of the measuring machine, such as the maximum permissible indication error of length measurement (MPE-E), the maximum permissible detection error (MPE-P), etc., whether it is consistent with the nominal precision of the equipment. Third, the actual measurement test  standard parts measurement: the use of standard blocks, standard balls and other standard parts with a known size and shape of the measurement, multiple measurements and record the results, and then compared with the standard value, calculate the deviation between the measured value and the standard value, the smaller the deviation, indicating that the higher the accuracy of the measuring machine. Repeatability Measurement: Select a relatively simple part or a specific feature and repeat the measurement several times to compare the difference between the measurement results. Statistical analysis methods, such as calculating the standard deviation and variance of the measurement results, can be used to assess the repeatability accuracy of the measuring machine. Comparison Measurement: Measure the same object using another measuring device that has verified its accuracy, such as high-precision calipers, optical measuring instruments, etc., and compare the results with those of the used CMM. Fourth, refer to the history of the equipment and maintenance records  calibration report: check the calibration report of the equipment to understand the most recent calibration time, calibration organisation, calibration results and other information, to confirm whether the calibration results meet the accuracy requirements. Maintenance records: Ask the seller about the maintenance history of the equipment to find out whether the equipment has ever had failures affecting the accuracy, such as deformation of the guide rail, damage to the probe, failure of the electrical system, etc., and what the effect is after maintenance. Use records: learn about the frequency of use of the equipment, the use of the environment, the use of age and other information, the frequency of use, the use of harsh environments, the use of long equipment, its accuracy may be greatly affected.

Used coordinate market has a variety of brands and models to choose from, the following is the relevant introduction:  First, the popular models  Hexagon Croma 8106: range 800x1000x600mm, equipped with fully automated probe TESASTAR - M, the use of PC - DMIS measurement software, high measurement accuracy, suitable for a variety of parts inspection. SIRI FUMCT12108: Stroke 1200x1000x800mm, all-aluminium technology, with IDC - Ⅰ control system built by Hexagon for Croma, 21 items of error space correction technology and auto-tuning function to ensure the measurement accuracy. Mitutoyo CRT - A916: Imported from Japan, stable performance, reliable accuracy, suitable for precision measurements with high requirements for accuracy. Zeiss CONTURA G2: such as the heightened type with a stroke of 1000x1200x600mm, accuracy of up to 1.8μm, x/z-axis ceramic material, equipped with RDS VAST XXT automatic rotary scanning probe. WENZER XO107 - 1200/XO1210 - 2500: Stroke 1.2x2.5x1m, 90% new price 450,000, suitable for large workpiece measurement. Second, the price range of  low-priced segment: part of the use of long years, older models or slightly lower precision of the second-hand coordinate, the price may be below 50,000 yuan, such as some domestic niche brands or early basic models. Medium price range: most common brands and models, about 3-5 years of use, accuracy can meet the general needs of industrial inspection, the price is usually in the 80,000 -200,000 yuan, such as Si Rui Croma series of some models, Hexagon INSPECTOR series. High-price segment: newer, high-precision imported brand coordinates, such as Zeiss, Hexagon's high-end models, or fully configured, short service life of the equipment, the price may be more than 250,000 yuan, or even higher. Third, the purchase of precautions  equipment condition: check the appearance of the bump, deformation, rust and corrosion, etc., to see the wear and tear of internal mechanical parts such as rails, screws, whether the electrical system is working properly, the control system with or without alarms. Accuracy testing: You can ask to use laser interferometer and other professional equipment to test the positioning accuracy of the equipment, repeat positioning accuracy, etc., or let the seller provide the recent accuracy calibration report. We can also ask the seller to measure the standard specimen on site to test the accuracy of the measurement results. Data procedures: require the seller to provide the original manual, operation manual, maintenance records, accuracy inspection reports, etc., if the equipment is imported, to confirm that the customs declaration, customs duty payment certificates and other procedures are complete. After-sales service: find out whether the seller can provide after-sales service such as installation and debugging, training, and maintenance during the warranty period, and choose the seller with a professional maintenance team and short maintenance response time.

When buying a used Beijing precision carving machine, the selection of the control system can start from the following aspects:  First, understand the type of control system and characteristics of the control system  Vihon control system: the basic configuration of three axes of motion, expandable, support for CNC rotary table. Can fully support the ISO standard G instruction, HPPLT format and ENG format. With manual functions, incremental feeding, user data input and other functions, but also has a high-speed smooth speed connection characteristics, three-dimensional analogue display, simulation and other functions. Beijing Precision Engraving Control System: It is a special system for Beijing Precision Engraving Machine, with good compatibility with the equipment, simple and intuitive operation interface, and targeted functions, which can efficiently control the precision engraving machine to complete a variety of complex machining tasks, and it is excellent in tool path planning and precision control. Mitsubishi control system: high stability and reliability, strong anti-interference ability, can be adapted to long time continuous processing. With a rich instruction set and powerful interpolation function, it can realise high-precision multi-axis linkage control, and is often used in occasions with high requirements for processing accuracy and stability. Siemens control system: powerful, open and expandable, can be integrated with a variety of automation equipment. Intelligent and user-friendly operation interface, powerful programming function, advanced contour control and dynamic response capability, can meet the needs of high-speed, high-precision machining of complex-shaped parts. Second, assess the system performance and functional  control accuracy: check the pulse equivalent of the system, the smaller the pulse equivalent, the higher the control accuracy. Understand the system's interpolation algorithms, such as linear interpolation, arc interpolation and other precision, advanced interpolation algorithms can make the machining path more accurate. Operation speed: pay attention to the operation speed of the system, fast operation speed can improve the machining efficiency and reduce the empty travelling time. Check the system's ability to support high-speed feeding and high-speed cutting to ensure that accuracy and stability can still be maintained during high-speed machining. Functional integrity: according to machining requirements, check whether the system has tool compensation, workpiece coordinate system setting, automatic tool setting, breakpoint memory, jump section execution and other functions. For complex parts processing, check whether the system supports three-dimensional surface processing, multi-axis linkage and other advanced features. Third, examine the stability and reliability of the system stability : ask the seller whether the system is often dead, garbled, alarm and other faults, to understand the stability of the system under prolonged operation. Can ask to see the system's operating log to see if there are frequent error records. Compatibility: Check the compatibility of the system with the mechanical parts of the precision engraving machine, such as motors, drives, sensors, etc., to avoid communication failures or control mismatches. Ensure that the system is compatible with the processing file formats generated by commonly used CAD/CAM software. Maintainability: Understand the difficulty and cost of maintaining the system, and whether there are perfect diagnostic functions to facilitate rapid location and troubleshooting. Ask the seller whether the system can provide maintenance technical support and software upgrade services. Fourth, check the system hardware and software status  hardware status: check the control card, drive and other hardware whether there are signs of damage, aging, overheating, etc., to see the production date of the hardware and the use of years, to determine its remaining useful life. Software version: Find out the version number of the system software. Newer versions usually have better performance and features, as well as more bug fixes. Ask the seller if he or she has the software's installation discs, licensing documents, etc. to ensure that the software is legitimate and usable.

Used Beijing Precision Engraving Machine has a certain amount of retention and demand in the market, the following is its relevant information: a. Popular models Carver600G UA: three-axis travel 600650300mm, spindle speed 15,000 rpm, no tool magazine. JDLVG600_A10_P: with CCD function, main motor power 7.5kW, machining accuracy 0.01mm, table size 640590mm, tool magazine capacity 6, maximum spindle speed 28000rpm. JDVT600Z: 3-axis travel 600x400x340mm, table size 730x400mm, spindle speed 24000rpm, with tool magazine. Second, the price range of the low price range: some years of use, older models of second-hand Beijing precision engraving machine, such as the 09 CarverPMS, the price may be below 100,000 yuan. Medium price range: Most of the common models that are in good condition and have been in use for about 3-5 years, like JDHGT600A13S, Carver600E, etc., are usually priced at 80,000-150,000 RMB. High-price segment: Newer, more highly configured models, such as the 90% new JDLVG600_A10_P, the price may be more than 150,000 yuan. Third, the purchase of notes on the condition of the equipment: check the appearance of the bump, deformation, rust and corrosion, etc., to see the wear and tear of internal mechanical parts such as rails, screws, whether the electrical system is working properly, the control system has no alarm. Accuracy test: We can ask the seller to test the geometric accuracy of the equipment with micrometer and other tools, test the positioning accuracy with laser interferometer, or let the seller process the standard test piece to test the size accuracy and shape accuracy of the processed parts. Data procedures: require the seller to provide the original manual, operation manual, maintenance records, precision inspection reports, etc., if the equipment is imported, to confirm that the customs declaration, customs duty payment certificates and other procedures are complete. After-sales service: find out whether the seller can provide after-sales service such as installation and debugging, training, and maintenance during the warranty period, and choose the seller with a professional maintenance team and short maintenance response time.  

The price of used Mazak CNC lathes is affected by a variety of factors, which are described in detail below:  1. **Equipment models and configurations**  - **Basic model differences**: Mazak has a wide range of different series and models of CNC lathes, and each model is different in terms of its design positioning, machining capacity and accuracy, which directly affects its second-hand price. For example, for small processing enterprises, for simple shafts and disc parts processing of the basic model, due to its processing capacity and accuracy is relatively limited, the second-hand price is usually lower; and for large enterprises and high-precision machining needs of the design of the high-end model, with higher machining accuracy, a greater range of machining and more complex machining functions, its second-hand price is often higher.     - **Configuration level **: In addition to the differences in the base model, the specific configuration of the equipment will also have a significant impact on the second-hand price. For example, the CNC system as one of the core components of the CNC lathe, different brands and models of the CNC system in terms of functionality, performance and ease of operation and other aspects of the existence of large differences, so its price will be different. Used Mazak CNC lathe with high-end brand and more powerful CNC system, its price is often much higher than the equipment with ordinary CNC system. In addition, the different configurations of the tool magazine capacity, automatic loading and unloading devices, measuring systems, etc., will also lead to differences in the equipment in the processing efficiency, degree of automation and machining accuracy, which in turn affects the price of its second-hand. For example, equipped with large-capacity tool magazine and automatic loading and unloading device of CNC lathe, can achieve more efficient automated processing, its second-hand price is usually higher than the equipment without these configurations. 2. **Use life and wear and tear **  - **Length of use **: Use life is one of the important factors affecting the price of used Mazak CNC lathes. Generally speaking, the shorter the service life, the better the overall condition of the equipment, the wear and tear of the components is relatively light, the accuracy and performance of the equipment can also be better maintained, so its second-hand price is relatively high. On the contrary, the longer the service life, the equipment in the long-term operation of the process of a variety of mechanical stress, thermal stress and chemical corrosion, etc., the components will gradually appear wear and tear, aging, deformation and other issues, which will not only lead to a decline in the precision of the equipment, performance reduction, but also may increase the failure rate of the equipment and the cost of maintenance, which will make the price of second-hand significantly reduced. For example, a used 2 - 3 years of second-hand Mazak CNC lathe, if properly maintained, its price may still be able to reach the original purchase price of 60% - 70% or so; and a used more than 10 years of equipment, even after maintenance, its price may only be the original purchase price of 20% - 30% or so.     - **Wear and tear **: In addition to the years of use, the degree of wear and tear of the key components of the equipment also has a critical impact on the second-hand price. In the operation of CNC lathes, guide rails, screws, spindles, tools and other components are directly involved in the machining process of the key components, their working condition and the degree of wear and tear directly affects the machining accuracy, performance and stability of the equipment. For example, the guide rail as a key component to support and guide the movement of the slider, the wear of its surface will lead to a decline in the straightness and flatness of the guide rail, so that the slider in the process of movement, such as shaking, offset, etc., which not only affects the machining accuracy, but also may lead to increased wear of the cutting tool, the machining of the surface quality degradation and other issues. Similarly, the wear of the screw will lead to a decrease in its pitch accuracy, thus affecting the feed accuracy of the tool; the wear of the spindle will lead to a decrease in its rotary accuracy, thus affecting the roundness, cylindricity and other shape accuracy of the machined parts. Therefore, if the degree of wear of these key components is light, the accuracy and performance of the equipment can be better maintained, then its second-hand price is relatively high; on the contrary, if the wear of key components is serious, has a greater impact on the accuracy and performance of the equipment, then the second-hand price will be significantly reduced. When assessing the price of a used Mazak CNC lathe, the wear and tear of these key components are usually examined and assessed in detail to determine the actual value of the equipment. 3. **Maintenance and Repair Records**  - **Good or bad maintenance**: The maintenance of the equipment is one of the most important factors affecting the price of a used Mazak CNC lathe. Regular, standardised maintenance can effectively extend the service life of the equipment, maintain the accuracy and performance stability of the equipment, and reduce the probability of equipment failure. If the original user of the equipment for good maintenance, such as in accordance with the requirements of the equipment manufacturer to regularly clean the equipment, lubrication, fastening and other maintenance work, regular replacement of the equipment lubricants, filters and other wear parts, regular testing and adjustment of the accuracy of the equipment, etc., then the equipment in the second-hand market price will be relatively high. Because the overall condition of such equipment is better, the degree of wear and tear of the components is relatively light, the accuracy and performance of the equipment can be a good guarantee, the buyer needs to invest in the subsequent use of the process of maintenance costs and maintenance costs are relatively low. On the contrary, if the equipment lack of maintenance, such as a long time do not carry out cleaning, lubrication and other maintenance work, do not replace wear parts in a timely manner, do not regularly test and adjust the accuracy of the equipment, etc., then the equipment will appear rust, serious wear and tear of the components, precision degradation and so on, which not only affects the normal use of the equipment, it will also increase the failure rate of the equipment and the cost of maintenance. In this case, the price of the equipment in the second-hand market will be significantly lower, because the buyer needs to bear higher maintenance risks and costs, and the overall value assessment of the equipment will also be lower.     - **Maintenance records complete or not**: In addition to the maintenance situation, the maintenance records of the equipment also have an important impact on the second-hand price. A complete and detailed maintenance records can provide buyers with important information about the historical failure of the equipment, maintenance content, maintenance time and maintenance costs, etc., to help buyers better understand the actual condition of the equipment and the potential risks, so as to make a more accurate assessment of the value of the equipment. If the maintenance records of the equipment is complete, and shows that the equipment in the use of the process of the number of failures is less, the maintenance content is mainly some routine parts replacement and maintenance work, then this indicates that the overall quality of the equipment is better, more reliable, the price in the second-hand market will be relatively high. Because the buyer can through the maintenance records to understand the historical status of the equipment, the quality and reliability of the equipment has more full confidence, and thus willing to pay a higher price for such equipment. On the contrary, if the equipment's maintenance records are incomplete, or show that the equipment has had several serious failures in the course of use, with repairs involving the replacement of key components of the equipment or major repair work, then this indicates that the overall quality of the equipment is poorer, less reliable, and that there is a higher maintenance risk and cost. In this case, the price of the equipment in the second-hand market will be significantly lower, because the buyer can not understand the real condition of the equipment through the complete maintenance records, there are doubts about the quality and reliability of the equipment, and at the same time, need to bear higher maintenance risks and costs, so it will be the value of the equipment assessed as lower, and is willing to pay a corresponding reduction in the price. 4. **Market Supply and Demand**  - **Market Demand Situation**: The market demand situation for used Mazak CNC lathes is one of the important factors affecting their price. If the market demand for Mazak CNC lathes is strong, especially for specific models and configurations of equipment, then the price of such equipment tends to be relatively high in the second-hand market. This is because where demand outstrips supply, there is increased competition among buyers who are willing to pay a higher price in order to obtain equipment that meets their production needs. For example, at one point in time, with the rapid growth of the automotive parts processing industry, the demand for high-precision and high-efficiency Mazak CNC lathes increased dramatically. In this case, the price of Mazak CNC lathes on the second-hand market that meet the needs of this industry will rise significantly, and there may even be a situation in which demand exceeds supply. Conversely, if the market demand for Mazak CNC lathes is low, or if a large number of more cost-effective alternatives appear on the market, then the prices of used Mazak CNC lathes will be suppressed and tend to be relatively low. This is because in a situation where supply is greater than demand, competition between sellers intensifies and they tend to reduce their prices in order to get the equipment out of the market as quickly as possible. For example, as technology continues to advance, some emerging machine tool manufacturers have introduced CNC lathe products with higher performance and lower prices, and these products have gained widespread attention and popularity in the market. In this case, Mazak CNC lathes in the second-hand market face greater competitive pressure, and their prices tend to drop accordingly.     - **Market supply quantity**: In addition to the market demand situation, the supply quantity of used Mazak CNC lathes on the market will also have an important impact on their prices. If the supply quantity of used Mazak CNC lathes on the market is relatively small, while the demand remains stable or grows, then in this market environment where the supply exceeds the demand, the price of used Mazak CNC lathes tends to rise. This is because buyers have a limited selection of equipment available on the market and are willing to pay a higher price to get the equipment they need in order to meet their production needs. For example, a certain high-end model of Mazak's CNC lathe has a very limited supply of this model of equipment on the second-hand market due to the relatively small number of units produced and its high reputation and recognition in the market. If the market demand for this model of equipment is still high at this time, then its second-hand price will often rise significantly, and may even exceed a certain percentage of the price of new equipment of similar models. On the contrary, if the supply quantity of used Mazak CNC lathes on the market increases significantly, and the demand does not grow accordingly or even declines, then in this oversupplied market environment, the price of used Mazak CNC lathes tends to fall. This is because the seller in order to sell the equipment as soon as possible in the fierce market competition, had to reduce the price to attract buyers. For example, at a certain period of time, due to some enterprises to carry out equipment replacement, a large number of used Mazak CNC lathes flooded into the market, resulting in a substantial increase in the number of market supply. At the same time, due to changes in market demand or other factors, the demand for second-hand Mazak CNC lathes did not grow accordingly, and even a certain degree of decline. In this case, the price of Mazak CNC lathes on the second-hand market will fall significantly, and sellers may need to promote the sale of equipment through price reductions and the provision of incentives. 5. **BRAND REPUTATION AND MARKET POSITIONING**  - **High or low brand reputation**: Mazak, as an internationally renowned brand of machine tools, has an important influence on the price of used CNC lathes in the industry. Brand reputation is the enterprise in the long-term production and operation process, through the provision of high-quality products and quality service, won the trust and praise of customers, so as to establish a good image and reputation in the market. Mazak enjoys a high reputation in the global machine tool market by virtue of its advanced technology, exquisite manufacturing process, strict quality control system and perfect after-sales service network. This good brand reputation makes Mazak CNC lathes have high recognition and competitiveness in the market. Consumers are often more willing to buy Mazak branded equipment because they believe that the brand is able to provide high-quality, high-performance and high-reliability products, as well as to obtain perfect after-sales service support during the use of the equipment. As a result, on the used market, Mazak CNC lathes tend to be priced higher than other brands of equipment of similar models and in the same age and condition. This is because when buyers consider purchasing used equipment, they will consider the brand reputation of the equipment in addition to the actual condition and performance of the equipment. They believe that buying used equipment with a good brand reputation can, to a certain extent, guarantee the quality and reliability of the equipment, and in the subsequent use of the process can get better after-sales service support, thereby reducing the risk of buying and using used equipment. For example, a used Mazak CNC lathe used for 5 years, if its overall condition is good, the wear and tear of the key components is light, and the accuracy and performance of the equipment to meet the buyer's production needs, then its second-hand price may be the same type, the same years of use and the condition of the other brands of equipment prices are higher than the same type of equipment prices of about 20% - 30%. This is the important influence of brand reputation on the price of used Mazak CNC lathes.     - **Market Positioning Differences**: Mazak brand for different market demand and customer groups, launched a variety of different series and models of CNC lathes, these products in the market positioning there is a certain difference, and this difference in market positioning will also have an impact on the price of used Mazak CNC lathes. For example, some high-end series products of Mazak brand usually adopt the most advanced technology, the highest-end configuration and the most exquisite manufacturing process, with extremely high machining accuracy, extremely fast machining speed and extremely complex machining functions, which are mainly oriented to the customer groups in the field of aerospace, automobile manufacturing, precision moulds and other high-end manufacturing areas. These high-end products are highly positioned in the market and relatively expensive, and the buyers often have very high requirements for the quality, performance and reliability of the products. Therefore, in the second-hand market, the price of these high-end series products will often be higher than the same brand of low-end series products, even if these high-end products have been used for a certain number of years. This is because the customers who buy high-end used Mazak CNC lathes are often those who have high requirements for machining accuracy, efficiency and quality, and they are willing to pay a higher price in order to obtain equipment with higher performance and quality. For example, a used Mazak high-end mill-turn machining centre used for 3 years, its second-hand price may still reach about 60% - 70% of the original purchase price, or even higher; while a use of the same years of the same brand of low-end CNC lathes, its second-hand price may only be about 30% - 40% of the original purchase price. This fully reflects the impact of market positioning differences on the price of used Mazak CNC lathes. On the contrary, some low-end series products of Mazak brand usually adopt more mature technology and configuration, with certain machining accuracy, speed and functions, mainly for some small and medium-sized enterprises, individual processors and other customer groups, these customers are more sensitive to the price of the product, and pay more attention to the cost-effectiveness of the product. Therefore, in the second-hand market, the price of these low-end series products is often relatively low, even if they have a shorter service life. This is because the purchase of low-end second-hand Mazak CNC lathe customers, often those who are more sensitive to the price, the machining accuracy and efficiency requirements are not particularly high enterprises or individuals, they are more willing to choose a relatively low price, cost-effective equipment is relatively high. For example, a used Mazak low-end CNC lathe used for 2 years, if its overall condition is good, the wear and tear of the key components of the degree of light, and the accuracy and performance of the equipment to meet the buyer's basic production needs, then its second-hand price may only be about 40% - 50% of the original purchase price. This is the specific impact of market positioning differences on the price of used Mazak CNC lathes.       In summary, the price of a used Mazak CNC lathe is affected by a combination of factors such as the model and configuration of the equipment, age and wear and tear, maintenance and repair records, market supply and demand, as well as brand reputation and market positioning. When buying or evaluating the price of a used Mazak CNC lathe, you need to fully consider these factors.

The price range of used Mazak CNC lathes is roughly between 6,600 yuan and 900,000 yuan, the following is the price of some models for reference:  First, the more low-end models  Mazak NEXUS 150: price of 6,600 yuan to 8,800 yuan or so, the model is suitable for processing some simple parts, the accuracy of which is generally in the range of 0.02 mm or so, and it is commonly used in small-scale machining factories or the production of less demanding precision link. Mazak SQT-10M: priced at about RMB 50,000, this model has a maximum rotary diameter of 490mm, a maximum machining diameter of 160mm, and a maximum machining length of 285mm, which is suitable for the processing of small shafts and discs, and is commonly used in small machining shops or individual processors. Second, medium-grade model  Mazak QT250-1000: price of about 8800 yuan, spindle speed of up to 4000rpm, machining accuracy of 0.01mm, suitable for processing medium size and precision requirements of the parts, commonly used in general machining enterprises. Mazak SLANT TURN 40N: priced at about $35, with a large rotary diameter of 540mm and a standard machining diameter of 335mm, it can be used to process discs, shafts and other parts with high precision, and it can meet most of the conventional machining needs. Third, the high-end model  Mazak 250ML turning and milling compound: the price of 850,000 yuan to 900,000 yuan or so, the model set of turning and milling functions in one, can achieve the one-time processing of complex parts, high processing accuracy, suitable for aerospace, automotive manufacturing and other parts precision and complexity of the higher requirements of the field. Mazak Integrex 70/4000 Turning and Milling Compound Machining Centre: priced at RMB 99,990, it can carry out high-precision and high-efficiency turning and milling compound machining, and is commonly used for machining large and complex precision parts, such as aero-engine blades, ship propellers and so on.

The accuracy of used high-speed punch presses is affected by a variety of factors, which cover the use of equipment history, maintenance, wear and tear of key components and working environment conditions and other aspects. The following is a detailed introduction for you:  1. **Equipment usage history**  - **Useful life**: Like most mechanical equipment, the use of used high-speed punch presses has a significant impact on their accuracy. With the increase in the number of years of use, the various parts of the equipment will gradually wear and aging, which will inevitably lead to a decline in the accuracy of the equipment. For example, a high-speed press that has been used for more than 10 years, the wear and tear of its mechanical parts may have been more serious, which may lead to a decline in the positioning accuracy of the press in the stamping process, thus affecting the dimensional accuracy of the stamped parts.     - **Working load**: The size of the working load of the equipment during use is also one of the important factors affecting its accuracy. If the high-speed punch press is in a high load operation state for a long time, this will accelerate the wear and tear of various parts of the equipment, which will lead to a faster decline in the precision of the equipment. For example, in order to pursue production efficiency, some enterprises let the high-speed punch press work continuously for more than 16 hours in one day, and the thickness of the stamped workpiece is large and the hardness is high, and this high-load working condition will make the key parts of the punch press such as the moulds, sliders, guide rails and other key parts wear out seriously in a short period of time, which in turn affects the precision of the punch press stamping. 2. **Maintenance situation**  - **Daily maintenance**: Daily maintenance work plays a vital role in maintaining the precision of used high-speed punching machines. Regular cleaning of the equipment can prevent dust, oil and other impurities from entering the interior of the equipment, thus preventing these impurities from causing abrasion and corrosion to the mechanical parts and electronic components of the equipment and affecting the precision of the equipment. For example, if the working table of a high-speed press machine accumulates dust and oil for a long time, this will lead to inaccurate positioning of the workpiece on the table, thus affecting the dimensional accuracy of the stamped part. In addition, regular lubrication of the equipment can reduce the friction between mechanical parts, lower the degree of wear and prolong the service life of the equipment, and also help to keep the precision of the equipment stable. For example, if there is a lack of good lubrication between the guide rails and sliders of a high-speed press, the friction between them will generate a large amount of heat during the operation of the equipment, which not only accelerates the wear and tear of the guide rails and sliders, but also may cause them to affect the precision of the movement of the equipment due to thermal deformation, which will then affect the dimensional and shape accuracy of the stamped parts.     - **Regular overhaul**: In addition to routine maintenance, regular comprehensive overhaul of the used high-speed punch press is also an important measure to ensure its accuracy. Through regular overhaul, potential problems that occur during the operation of the equipment, such as wear and tear, loosening of mechanical parts, aging and damage of electronic components, etc., can be discovered in time and repaired and replaced in a timely manner, thus avoiding further deterioration of these problems and affecting the precision of the equipment. For example, the crankshaft of a high-speed press is a key component for transmitting power. If the crankshaft is found to be worn or cracked during regular maintenance and is not repaired or replaced in a timely manner, the problem of the crankshaft may become more and more serious in the process of continued operation of the equipment, which will ultimately lead to the fracture of the crankshaft, preventing the press from functioning normally, and at the same time, it will also have a serious impact on the precision of the pressed parts. In addition, regular precision calibration of the equipment can ensure that the various precision indexes of the equipment are always within the normal range, so as to ensure that the precision of the stamped parts meets the requirements. For example, through the use of professional measuring tools and instruments, the working surface flatness of the high-speed press, the parallelism between the lower plane of the slider and the working surface, the stroke accuracy of the slider and other accuracy indexes are regularly tested and calibrated, and if it is found that one of the accuracy indexes is out of the normal range, corresponding adjusting measures can be taken in time to restore the accuracy indexes to the normal range to ensure that the press can guarantee the accuracy of the stamped parts during the stamping process. If it is found that a certain precision index is out of the normal range, corresponding adjustment measures can be taken in time to bring the precision index back to the normal range, so as to ensure that the punching machine can guarantee the precision requirements of the stamped parts in the stamping process. 3. **Wear and tear of key components**  - **Mould**: As one of the core components of a used high-speed press, the degree of wear and tear of the mould has a direct impact on the precision of the stamped parts. During the stamping process of a high-speed press, frequent friction and impact will occur between the mould and the workpiece, and with the increase in the number of times it is used, the surface of the mould will gradually wear out, and defects such as scratches and depressions will appear. These defects will lead to changes in the dimensional accuracy of the mould, so that the dimensional accuracy and shape accuracy of the stamped part will be affected. For example, when stamping a round part, if the inner diameter of the die becomes larger due to wear and tear, the diameter of the stamped round part will be correspondingly larger, exceeding the dimensional tolerance range of the part and leading to the failure of the part. In addition, wear and tear of the die may also cause the clearance of the die to change, affecting the quality and precision of the stamped part. For example, if the clearance of the die is too large, the workpiece is prone to deformation and displacement during the stamping process, which will lead to a decrease in the dimensional and shape accuracy of the stamped part; if the clearance of the die is too small, it will increase the friction between the die and the workpiece, which will lead to an increase in the wear of the die and at the same time, it may also lead to the occurrence of defects such as strains, tears, and other defects in the stamped part during the demoulding process, which will affect the quality and accuracy of the stamped part.     - **Slider**: The slider is one of the important parts to realise the stamping action in the used high-speed press, and its precision and stability have a vital impact on the precision of the stamped parts. With the increase in the use of high-speed punching machines and the increase in the working load, the guide rail and guiding mechanism of the slider will gradually wear out, resulting in a decrease in the accuracy of the movement of the slider. For example, when the guide rail of the slider is worn out, the slider will shake and deflect during the movement, which will lead to the change of the position of the mould in the stamping process, thus affecting the dimensional accuracy and shape accuracy of the stamped parts. In addition, the transmission mechanism of the slider, such as gears and racks, will also be worn out due to long time use, which will lead to uneven movement speed of the slider, thus affecting the surface quality and precision of the stamped parts. For example, if the movement speed of the slider is not uniform during the stamping process, this will lead to defects such as ripples and folds on the surface of the stamped part, which will affect the appearance quality and precision of the stamped part.     - **Guide rail**: The guide rail is one of the key components in the used high-speed punch press to ensure the accuracy and stability of the slider movement, and its degree of wear and tear has an important impact on the accuracy of the equipment. In the operation of the high-speed punch press, the guide rail and the slider will produce relative movement between them, due to the contact area between them is large, and bear a large pressure and friction, so with the increase of the use of time, the surface of the guide rail will be gradually worn out, the appearance of wear marks, grooves and other defects. These defects will lead to a decline in the straightness and flatness of the guideway, thus affecting the motion accuracy and stability of the slider. For example, when the straightness of the guideway deviates, the slider will deviate from the predetermined trajectory during movement, resulting in changes in the position of the mould during the stamping process, thus affecting the dimensional accuracy and shape accuracy of the stamped part. In addition, the wear of the guide rail will also lead to an increase in the gap between the guide rail and the slider, which will further reduce the movement accuracy and stability of the slider, and may also cause vibration and noise during the operation of the equipment, affecting the normal use of the equipment and the working environment. 4. **Working environment conditions**  - **Temperature**: The temperature of the working environment has a significant impact on the accuracy of a used high-speed punch press. The components of a high-speed punch press are usually made of different materials, which have different coefficients of thermal expansion. When the temperature of the working environment changes, the components of the high-speed punch press will undergo dimensional changes due to thermal expansion and contraction. For example, if the temperature of the working environment increases, the guide rail of the high-speed press will become longer due to thermal expansion, which will lead to a decrease in the accuracy of the movement of the slider, thus affecting the dimensional accuracy and shape accuracy of the stamped part. In addition, changes in temperature may also lead to changes in the performance of the electronic components of the high-speed press, affecting the precision of the equipment's control system, which in turn will have an impact on the precision of the stamped parts. For example, some high-precision sensors and controllers are more sensitive to temperature, and when the temperature of the working environment exceeds its normal working range, the measurement accuracy and control accuracy of these sensors and controllers will decrease, which will lead to a decrease in the positioning accuracy and movement accuracy of the high-speed press in the process of stamping, and affect the accuracy of the stamped parts.     - **Humidity**: The humidity of the working environment also has a non-negligible effect on the precision of the used high-speed press. When the humidity of the working environment is too high, the metal parts of the high-speed press are prone to rust and corrosion. Rusting will lead to an increase in the surface roughness of the metal parts and a decrease in dimensional accuracy, thus affecting the motion accuracy and positioning accuracy of the high-speed punch press and adversely affecting the accuracy of the stamped parts. For example, if the surface of the guideway of the high-speed press is rusted, the surface of the guideway will become rough and uneven, which will lead to an increase in the resistance of the slider's movement on the guideway and a decrease in the precision of the movement, thus affecting the dimensional accuracy and shape accuracy of the stamped parts. In addition, high humidity may also lead to the failure of the electrical system of the high-speed press, affecting the normal operation and precision control of the equipment. For example, when the insulating material of the electrical equipment is affected by moisture, its insulating property will be reduced, which will easily lead to failures such as electrical short-circuit and leakage, which will not only affect the normal operation of the high-speed punch press, but also may pose a threat to the personal safety of the operators. At the same time, the failure of the electrical system may also lead to a decline in the precision of the control system of the high-speed press, affecting the precision of the stamped parts.     - **Vibration**: Vibration in the working environment has a serious impact on the precision of used high-speed presses. High-speed punch press in the operation process itself will produce a certain amount of vibration, if there are other sources of vibration in the working environment, such as large-scale machinery and equipment nearby, vehicle travelling, etc., these vibrations will be superimposed on the high-speed punch press, so that the high-speed punch press vibration aggravation. Strong vibration will lead to loosening of the connection between various parts of the high-speed press, affecting the overall structural stability of the equipment. For example, if the mould of a high-speed press is loosely connected under the action of vibration, the position of the mould will change during the stamping process, which will lead to a decrease in the dimensional accuracy and shape accuracy of the stamped part. In addition, vibration also affects the motion accuracy and positioning accuracy of the high-speed press. Under the action of vibration, the slide of the high-speed press will shake and shift in the process of movement, which will lead to changes in the position of the mould in the stamping process, thus affecting the dimensional accuracy and shape accuracy of the stamped parts. At the same time, vibration may also cause the measurement system and control system of the high-speed press to be disturbed, leading to a decrease in measurement accuracy and control accuracy, which in turn affects the accuracy of the stamped parts.     - **Dust**: Dust in the working environment will also have a certain impact on the precision of used high-speed punch presses. When the high-speed punch press operates in an environment full of dust, the dust will enter the interior of the high-speed punch press with the air flow and adhere to the surface of various parts of the equipment. The accumulation of dust will lead to increased friction between the mechanical parts of the high-speed punch press and increased wear, thus affecting the movement accuracy and positioning accuracy of the equipment. For example, if a large amount of dust is attached to the surface of the guideway of the high-speed press, the friction between the guideway and the slider will increase, which will lead to an increase in the resistance of the slider's movement on the guideway and a decrease in the precision of the movement, thus affecting the dimensional accuracy and shape accuracy of the stamped parts. In addition, dust may also enter the electrical system of the high-speed press, causing damage to the electrical components and affecting the normal operation and precision control of the equipment. For example, when dust accumulates on the circuit board of the electrical equipment, it may lead to malfunctions such as short circuit or poor contact of the circuit board, which not only affects the normal operation of the high-speed punching machine, but also may adversely affect the precision of the equipment.       In summary, the precision of used high-speed punch presses is affected by a combination of factors. When purchasing and using used high-speed presses, it is necessary to take these factors into full consideration, carry out a comprehensive inspection and evaluation of the equipment, and take effective maintenance measures to ensure that the equipment operates in good condition, so as to ensure the precision requirements of the stamped parts.

Used high-speed punch presses have a wide range of prices, usually in the 6600 yuan to 1 million yuan or so, the following is part of the brand and model of the second-hand high-speed punch press prices and accuracy:  First, Japan DOBBY punch press  EH-80HS: selling price of 666 yuan to start, the accuracy of up to ± 0.01mm or so, 1 minute to punch 320 times, close the high 345, less use of the accuracy of the good. Second, Japan YAMADA punch press  YAMADA-DOBBY: price of about 100,000 yuan, high precision, usually can reach ± 0.01mm to ± 0.02mm between, can meet most of the production requirements of precision stamping parts. Third, Pinli punch press  25T-85T: price of about 19,000 yuan, accuracy of ± 0.02mm to ± 0.03mm or so, suitable for precision requirements are not particularly demanding small and medium-sized stamping parts processing. Fourth, Nishida punch press  XTC-110: price of 8,888 yuan or so, accuracy of about ± 0.02mm or so, is a semi-closed high-precision powerful steel frame punch press. Fifth, Hongrui punch press  YSC-25: price of 12,345 yuan or so, for 8 into the new, precision inquiries, stroke 20mm.  six, Dongtai punch press  THS-45: price of 58,000 yuan or so, is a beautiful machine spot, accuracy of ± 0.02mm or so, suitable for some conventional high-speed stamping processing.

Higher precision used Zeiss coordinate price is generally in the 300,000 yuan to 600,000 yuan, the following are some specific models and price reference:  a. CONTURA series  used Zeiss CONTURA G2: priced from 3060 yuan, but this price may be anomalous, usually the series of higher precision used equipment prices in the 300,000 yuan to 400,000 yuan or so. Used Zeiss CONTURA 7/10/6 AKTI: not explicitly priced, but the price is expected to be around $350,000 to $450,000 based on market conditions and equipment performance. Second, DuraMax series  used Zeiss DuraMax: the price is about 320,000 yuan to 350,000 yuan, and its accuracy can be up to 0.01-0.02mm, suitable for automotive parts inspection, mould size inspection, injection moulding parts inspection, etc.. Third, ZEISS XENOS series  Used ZEISS XENOS: did not find the price of the second-hand equipment, but the price of a new one is about $444,000, with high precision, suitable for aerospace, optics and other industrial fields.

Used Zeiss coordinate accuracy is affected by a variety of factors, the overall in reasonable maintenance and use, can maintain a higher accuracy, the following from a number of aspects for you to analyse:  First, the equipment's own accuracy advantage of the  advanced manufacturing process: zeiss as a well-known brand in the industry, in the manufacture of the three coordinate measuring instrument using advanced technology and high-precision parts and components. Its production process is strict, to ensure that the equipment in the design and manufacturing stage has a high precision basis. For example, the measuring system of ZEISS adopts high-precision scales and encoders, which can accurately measure the coordinate position and provide guarantee for high-precision measurement. High-precision design: In the design of the equipment, ZEISS has fully considered the requirements of measurement accuracy. By optimising the mechanical structure and adopting advanced control systems and algorithms, the measuring accuracy and stability of the equipment are improved. For example, some high-end models of ZEISS adopt air bearing technology, which can reduce mechanical friction and vibration, thus improving the movement accuracy and measurement stability of the equipment . Second, the key factors affecting the accuracy of the  use of age and wear and tear: used zeiss coordinates of the use of age and wear and tear is an important factor affecting its accuracy. With the increase of the use of time, the mechanical parts of the equipment will be worn, such as the wear of the guide rail will lead to a decline in the precision of the movement of the equipment, the wear of the silk rod will affect the accuracy of the positioning of the coordinates. In addition, the electronic components will also be used with the increase in time and the phenomenon of aging, which may lead to a decline in the measurement accuracy and stability of the equipment . Maintenance: The maintenance of the equipment also has a critical impact on its accuracy. Regular maintenance of the equipment, such as cleaning, lubrication, calibration, etc., can be timely found and solve the problems of the equipment, extend the service life of the equipment, to maintain the high precision of the equipment. On the contrary, if the equipment is not well maintained for a long time, it will lead to a decline in the performance of the equipment, the measurement accuracy is reduced, and may even cause equipment failure, affecting the normal production and work. Use of environmental conditions: the use of environmental conditions on the accuracy of the used Zeiss CMM also has a greater impact. Coordinate measuring machine on the working environment of the temperature, humidity, vibration, dust and other factors have high requirements. For example, changes in temperature will lead to thermal expansion and contraction of the components of the equipment, thus affecting the measurement accuracy of the equipment; vibration will cause the equipment to produce errors in the measurement process, reducing the measurement accuracy. Therefore, if the equipment is located in the use of environmental conditions do not meet the requirements, will have a negative impact on the accuracy of the equipment . Third, assess the accuracy of the practical method  to view the calibration report: calibration report is an important basis for assessing the accuracy of the second-hand Zeiss coordinate. By looking at the calibration report, you can understand the equipment's latest calibration time, calibration organisation, calibration project and calibration results and other information. The calibration results in the calibration report should be in line with the requirements of the accuracy index of the equipment, if the calibration results are out of the range of the accuracy index, it means that there may be problems with the accuracy of the equipment, which need to be further checked and adjusted. Conduct actual measurement inspection: Actual measurement inspection is the most direct and effective way to assess the accuracy of used Zeiss Coordinate. Through the use of standard blocks, standard balls and other standard parts with known size and shape for measurement, multiple measurements and record the results, and then compared with the standard value, calculate the deviation between the measured value and the standard value. The smaller the deviation, the higher the accuracy of the measuring machine. In addition, repeatability measurements and comparison measurements can also be performed to fully assess the accuracy and stability of the equipment .

The price range of used Citizen centring machines is roughly from 5,000 yuan to 580,000 yuan, the following is the general situation:  First, the more low-end used Citizen centring machine  price: generally from 5,000 yuan to 50,000 yuan or so. Applicable scene: this type of centrifugal machine is usually older models, longer life, configuration is more basic, may be applicable to some of the processing accuracy and efficiency requirements of small processing enterprises or individual processors, mainly used for processing some simple shaft parts or small hardware, etc.. Second, the  price of medium-level used Citizen walking machine : usually between 50,000 yuan and 250,000 yuan. Applicable scene: this price level of the walking machine in the accuracy, stability and functionality have a certain degree of improvement, may be the use of the life of the equipment in the 5 years to 10 years or so, applicable to some of the processing accuracy of certain requirements of small and medium-sized enterprises, can be used for processing more complex parts, such as some precision instrument parts, small moulds and so on. Third, the  price of high-end used Citizen walking machine : generally in the 250,000 yuan to 580,000 yuan or so, or even higher. Applicable scene: these centrifugal machine is often used for a shorter period of time, the equipment is in good condition, the configuration of the higher-end, with higher processing accuracy, faster processing speed and more complex processing capabilities, usually applied to the processing accuracy and efficiency requirements of the high demand for large-scale enterprises or precision machining workshop, can be used for the processing of aerospace parts and components, high-end medical equipment parts and components, and so on.