Difference between used cylindrical grinder and used internal grinder
Used external cylindrical grinders and used internal cylindrical grinders differ significantly in several ways. The following is a detailed comparison of the two:
I. Main functions and applications
1. Used cylindrical grinding machines
Main Functions: Used for grinding the external surface of workpieces, including cylindrical and conical external surfaces and shaft shoulder end faces.
Applications: Widely used in various industries such as aviation, automobile, machinery, electronics, CNC technology, etc., capable of processing the external surface of workpieces of various shapes.
2. Used internal grinding machine
Main Function: Used for grinding the surface of the inner hole and its end face which is cylindrical, conical or other shapes of plain line spreading.
Application: Mainly suitable for workpieces that need to grind internal holes, such as cylinder block of internal combustion engine, etc. It is also used for processing other shapes of internal hole surfaces.
Structure and configuration
1. Used cylindrical grinding machine
Structure: The main machine consists of bed, head, tail, grinding head, transmission and dust-absorbing device and other components. The head, grinding head can turn angle, used for grinding thimble and skin roller chamfering, etc..
Configuration: usually equipped with grinding wheel, table, feeding mechanism, etc., the grinding wheel is used to grind the workpiece, the table is used to support and move the workpiece, and the feeding mechanism is used to control the relative motion of the grinding wheel and the workpiece.
2. Used internal grinding machine
Structure: The feed and compensation of the machine tool is executed by the transmission mechanism which is not interfering with each other, and there are fast jumping mechanism and end face grinding device, etc.
Configuration: It usually includes grinding wheel spindle, table, headstock and other components, the grinding wheel spindle is used to install the grinding wheel and drive its rotation, the table is used to support and move the workpiece, the headstock is used to clamp the workpiece and drive its rotation.
Third, performance characteristics
1. Used Cylindrical Grinding Machine
Grinding force: with strong grinding force and high efficient production capacity, it can greatly improve the working efficiency.
Precision: with high machining accuracy and surface quality, it can meet various high-precision machining needs.
Flexibility: customized design can be made according to task requirements to improve productivity and precision.
2. Used internal grinding machine
Speed: The wheel spindle rotates at a high speed, usually up to tens of thousands of revolutions per minute, which is suitable for grinding small holes and elongated holes.
Precision: It has high machining accuracy and coaxiality requirement, which can meet the demand of precision internal hole machining.
Safety: equipped with safety interlocking device and quick-return mechanism, etc., to ensure the safety of operation and reduce the auxiliary time.
IV. Price and Maintenance
1. Used Cylindrical Grinding Machine
Price: The price varies depending on the brand, model and configuration, but it is more affordable compared to new equipment.
Maintenance: Regular inspection and maintenance, including cleaning, lubrication and adjustment, are required to ensure equipment performance and accuracy.
2. Used Internal Grinding Machines
Price: Also varies by brand, model and configuration, but is usually less expensive than new equipment.
Maintenance: regular replacement of wear parts, cleaning and lubrication, etc. are required to maintain equipment performance and accuracy.
To summarize, there are significant differences between used cylindrical grinders and used internal grinders in terms of main functions, structure and configuration, performance characteristics as well as price and maintenance. When choosing, users should make comprehensive consideration according to their processing needs and budget and other factors.
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