Used KAFO products help businesses grow.
Large Stroke · High Rigidity · Four-Axis Extension · First Choice for Heavy Cutting
In today's machining industry, where demands for efficiency, stability, and return on investment are constantly increasing, a mature and well-configured used large machining center is often an ideal choice for companies to quickly increase production capacity and reduce investment costs.
We recommend the Used KAFO VMC-21100 vertical machining center, which is large in size, highly rigid, and fully configured, making it particularly suitable for machining medium to large parts and complex workpieces.
I. Why Choose This Used KAFO VMC-21100?
The usd KAFO VMC-21100 belongs to the heavy-duty vertical machining center series. Its overall structural design focuses on high rigidity and high stability, making it suitable for long-term continuous machining conditions.
The machine tool adopts a large-size worktable and an ultra-long three-axis stroke design, which can meet the needs of large structural parts to complete multiple machining operations in a single clamping, effectively reducing clamping errors and improving overall machining accuracy.
This machine is equipped with a BT50 gearbox spindle, providing ample spindle torque suitable for heavy-duty cutting of steel, cast iron, and stainless steel, maintaining stable cutting even under heavy loads.
Combined with a 24-tool magazine and a mature and reliable mechanical structure, the machine balances efficiency and reliability in actual production.
Furthermore, this machine features a Tanjia T500 fourth axis, along with an ejector pin and tailstock, expanding its capabilities beyond vertical machining to include multi-faceted machining and the processing of long shaft parts, thus broadening its application range.
II. Machine Tool Machining Capabilities
1️⃣ Large Parts Machining Capability
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Worktable Dimensions: 2400 × 1000 mm
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Three-Axis Travel: 2150 × 1000 × 790 mm
The extra-large travel design allows the machine tool to easily handle:
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Large box-shaped parts
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Engineering machinery structural components
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Mold base plates and mold frames
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Integrated machining of welded parts and castings
Multiple processes such as plane milling, side machining, grooving, drilling, tapping, and chamfering can be completed in one operation.
2️⃣ Heavy Cutting and Stability Performance
Compared to belt-driven spindles, the BT50 gear spindle offers higher rigidity and vibration resistance, making it particularly suitable for:
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Rough machining of steel parts
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Machining of cast iron blanks
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Large depth of cut and high feed rate cutting conditions
This configuration effectively reduces tool vibration, improves tool life, and enhances surface finish, while ensuring machining efficiency.
3️⃣ Four-Axis Machining Capability
Equipped with a Tanjia T500 four-axis rotary table, enabling:
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Multi-face machining
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Inclined / angled surface machining
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Complex contour machining
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Four-axis simultaneous surface machining
Suitable for:
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Irregularly shaped structural parts
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Complex spatial angle holes
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Curved surface parts and inclined groove structures
This significantly improves machining flexibility and reduces the number of workpiece flipping and clamping operations.
4️⃣ Machining of Long Shafts
The center-pin + tailstock configuration enables this vertical machining center to support long shaft parts, making it suitable for:
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End face machining of shaft parts
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Shoulder and side milling
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Machining of shaft holes
This setup expands the machining boundaries of traditional vertical machining centers and improves overall equipment utilization.
III. Why Are Used Machine Tools Reliable?
Used machine tools offer significant advantages while maintaining performance and precision:
✅ Low Investment Costs
Compared to new machines of the same specifications, used machines are more affordable, significantly reducing initial equipment investment and alleviating financial pressure.
✅ Mature and Stable Performance
This machine tool model features a mature structure and high market presence, with stability and reliability proven through actual production.
✅ Short Delivery Cycle
No need to wait for new machine production. Once the equipment status is confirmed, it can be quickly delivered and put into production, helping companies rapidly generate capacity.
✅ Controllable Maintenance Costs
Common wear parts are highly versatile, easy to maintain and repair, and suitable for long-term stable use.
IV. Applicable Industries and User Groups
This machine is particularly suitable for:
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Construction machinery manufacturing enterprises
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Mold processing plants
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Mechanical parts outsourcing factories
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Pump, valve, and energy equipment industries
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Users requiring large or complex workpiece machining
Whether for expanding production capacity, undertaking larger workpieces, or increasing processing complexity, this equipment offers high practical value.
V. Summary
The used KAFO VMC-21100 Vertical Machining Center (Used)
is a comprehensive machining solution integrating large stroke, high rigidity, four-axis extension, and heavy cutting capability.
It achieves an excellent balance between performance, efficiency, and return on investment, making it one of the most competitive used machining center choices in today’s market.
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Equipment in good condition
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Supports machine inspection and test cutting
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Ideal for professional machining users seeking stability and cost-effectiveness
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Boring Machine Applications in Construction Equipment RepairWhen a pin joint develops play, replacing the pin alone may not solve the problem. Wear can leave the housing bore oval, tapered or out of alignment. A boring machine for construction equipment repair restores the bore so the joint can be fitted with a correctly sized pin or bush. This work is often performed on the machine in the field when removing a large component would add substantial downtime. Where bore wear occurs on construction equipment Repeated articulation, impact loading, inadequate lubrication and contamination can wear the bores that support pins and bushes. The repair target is the damaged joint bore, not simply the visible pin. Before machining, the technician needs to identify the joint layout, access, material condition and the relationship between connected bores. Equipment Typical bore Repair purpose Excavator Boom, arm and bucket pin bores Restore pin fit and joint alignment Loader Lift-arm and bucket pivot bores Correct wear at heavily cycled pivots Backhoe Dipstick, boom and stabilizer pin bores Re-establish fit across linkage joints Crane Boom and linkage pivot bores Address wear at structural articulation points Hydraulic equipment Cylinder-end and mounting pin bores Restore the connection between cylinder and structure How boring repair addresses the damage Construction equipment boring repair typically starts with inspection and measurement. The repair team checks bore diameter, roundness, wear pattern and alignment with related bores. If the housing is suitable for repair, a portable line boring setup machines the damaged bore to a controlled, consistent diameter. Depending on the repair plan, the bore may then receive a bush, or be finished to suit the specified pin or bearing arrangement. Where two or more bores form one pivot line, their alignment matters as much as the individual diameters. Machining them in a common setup can help restore the intended axis. The required dimensions and fit should come from the equipment specification or an agreed repair drawing; they should not be assumed from the pin size alone. Field conditions shape the repair plan Access, nearby structures, available setup space and the condition of the surrounding material affect whether on-site boring is practical. Cracks, severe distortion, damaged welds or a bore near a highly loaded structural area may require additional inspection or a different repair sequence. The machine must also be isolated and securely supported before work begins, following site and equipment safety procedures. For a field assessment, document the machine and joint location, report the symptoms, and provide measurements or photographs where available. Confirm whether connected bores need to be machined on the same axis, whether a bush will be installed, and what final fit is required. These details help establish a realistic repair scope before equipment is mobilized. Frequently asked questions Which excavator parts commonly need bore repair? Boom, arm and bucket pin joints are common locations, as are other pivot connections showing looseness or uneven wear. Inspection determines whether the bore, pin, bush or several parts need attention. Can loader pivot bores be repaired on site? Often, but feasibility depends on access, setup conditions, damage severity and the required machining sequence. A site assessment can establish whether portable boring is appropriate. Does every worn bore need a new bush? No. The repair method depends on the equipment design, bore condition and specified fit. Confirm the intended finished dimensions and component arrangement before machining.
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Boring Machine Cost Guide: What Affects the Price of Industrial Equipment?Two boring machines intended for similar repair work canreceive very different quotations because the price reflects more than the machine’s basic size. Machine type, working range, drive power, accuracy requirements, tooling and included automation all affect the final configuration. To compare a boring machine price accurately, compare the scope of supply and the job requirements, not just the headline figure. What drives the quotation? Price factor Why it affects cost Details to specify Machine type and setup Portable systems and larger stationary equipment have different structures and intended applications. Equipment type, work location and setup constraints Bore size and machining range Required diameter, bar length and travel determine the working envelope and compatible components. Minimum and maximum bore diameter, machining length and access Power and duty Drive requirements depend on the material, cutting conditions and expected workload. Workpiece material, typical jobs and operating frequency Accuracy and tooling Accuracy requirements and the tooling package influence component selection and what must be supplied. Required results, cutters, mounts and other tooling needs Automation and customization Controls, optional functions and non-standard configurations add scope to the build. Required automation, special interfaces and quantity Configuration matters more than a bare price A lower-priced machine may have a narrower machining range, fewer included tools or less automation. A higher quotation may include a broader configuration or options that are unnecessary for a particular job. Neither price alone establishes suitability. For a portable boring machine price comparison, check that the quoted setup can reach the bore, fit the available work area and perform the required operation. Accuracy should also be described in terms of the work to be done. Share the required result and relevant workpiece details so the supplier can quote a configuration against the application. Avoid comparing quotations that assume different tooling, accessories, automation or customization. Prepare information for a useful quote For a meaningful boring machine cost estimate, provide the bore diameter range, machining length, material, workpiece or equipment details, site access constraints and expected operating frequency. List required tooling, accuracy expectations, automation and any special mounting or interface requirements. Include the purchase quantity and identify which accessories should be included. Ask suppliers to show the proposed configuration and included items in the quotation. This makes differences easier to trace and helps prevent a low initial figure from omitting components needed for the intended work. Submit the same job information to each supplier when comparing offers. Frequently asked questions Why is one boring machine much cheaper than another? The machines may differ in type, working range, power, included tooling, accuracy-related configuration, automation or customization. Compare the quoted scope against the same application before judging the difference. What information is needed to quote a boring machine? Provide the required bore diameters and machining length, material, workpiece and site constraints, expected use, accuracy needs, tooling and automation requirements, customization details and order quantity. These details help suppliers quote a configuration suited to the job.
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Used Automatic Lathe Machine for Sale WorldwideUsed automatic lathe machines provide a practical route to high-volume turning capacity without the lead time and capital cost of new equipment. For worldwide buyers, condition verification and supplier capability determine whether a low purchase price becomes a reliable production asset. Used Automatic Lathe Machine for Sale Worldwide What Buyers Should Assess A well-maintained cam-operated or CNC automatic lathe can retain stable repeatability for years when spindle bearings, guideways, collets, lubrication, and control components are within specification. Typical remaining service life is 5-12 years for a properly rebuilt machine, but heavily worn feed systems, obsolete controls, and unavailable parts create material selection risk. Machine type Typical work Used price range Main risk Cam automatic lathe Small pins, screws, fittings US$3,000-15,000 Cam and clutch wear Single-spindle CNC lathe Precision shafts, bushings US$8,000-35,000 Control and servo age Swiss-type CNC lathe Medical and electronics parts US$18,000-80,000 Guide bushing accuracy Inspection Before Shipment Checkpoint Acceptance focus Spindle Measure runout, noise, heat, and speed stability Axes and slides Check backlash, repeatability, way damage, and lubrication Tooling system Confirm collet, turret, feeder, and change-part availability Trial cutting Verify diameter, surface finish, cycle time, and scrap rate Electrical system Test alarms, drives, safety devices, and documentation Request a cold-start video, spindle runout report, sample-part test, machine serial number, and packing photographs. Accuracy claims should be supported by measured results, not appearance or repainting. China Supplier Value Established China-based suppliers combine broad used-machine sourcing with competitive refurbishment costs and export packing experience. Prefer suppliers able to provide inspection records, relevant quality certification, export documents, remote commissioning support, and stocked wear parts such as collets, belts, seals, sensors, relays, and hydraulic components. Cost item Direct as-is purchase Inspected Chinese supplier Initial price Lower Moderate Condition evidence Often limited Test data and video Export support Buyer-managed Crating and documentation After-sales response Uncertain Parts and technical support FAQ Can a used automatic lathe hold tight tolerances? Yes, after measured verification, alignment, and trial cutting; condition matters more than machine age. What accuracy should be checked? Check spindle runout, axis backlash, repeat positioning, workpiece diameter variation, and surface finish. Are old controls a concern? Yes. Confirm backup availability, drive condition, electrical drawings, and an upgrade path before purchase. Should buyers choose rebuilt equipment? Choose rebuilding when it includes documented replacement of wear components and a witnessed test, not cosmetic painting alone. Which spare parts should be ordered initially? Order consumable seals, belts, collets, sensors, contactors, filters, and model-specific tooling where available. Can a Chinese supplier arrange worldwide delivery? Experienced exporters can arrange seaworthy packing, shipping documents, and remote installation guidance. Choose a reliable Chinese supplier that can prove machine condition, support export delivery, and quote the right configuration for your current parts. Request a current quotation with inspection data before ordering.
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Can you ship used machinery to my country and handle import formalities?Many international business owners, factory operators, and construction contractors ask the same question when sourcing second-hand equipment: Can you ship used machinery to my country and handle full import formalities? If you are looking for reliable one-stop used machinery export and import clearance services, the answer is absolutely yes. Professional used machinery exporters offer global shipping and full import document processing to save you time, cost, and cross-border trade risks. Global Shipping Service for All Types of Used Machinery We support worldwide shipping for all categories of used machinery, including construction machinery, industrial processing equipment, agricultural machines, and mechanical tools. No matter your destination country in Asia, Africa, Europe, North America, or South America, we can arrange safe, fast, and cost-effective shipping solutions. We provide flexible logistics options including sea freight, air freight, and container shipping. All used machines will be professionally cleaned, inspected, packaged, and fixed inside containers to avoid damage during long-distance transportation. We also offer cargo tracking until the goods safely arrive at your local port. Full-Service Import Formality Handling Most overseas buyers lack experience with complex cross-border import procedures for used machinery, which has stricter customs rules than new equipment. Our team can fully handle all import and export formalities on your behalf. We complete official export customs declaration, prepare commercial invoices, packing lists, certificates of origin, and official inspection documents required by international customs. Our staff is familiar with different countries’ import policies for used machinery, including restriction standards, quarantine rules, and tax declaration requirements. We assist with every step, from export filing at the origin port to import guidance at your destination port. We can sort out compliance documents, submit customs applications, and solve common clearance problems that often cause delays or fines. Why Let Professionals Handle Your Import Formalities Used machinery import involves strict policy audits. Missing documents, incorrect declaration information, or non-compliant filing will lead to customs detention, port storage fees, cargo return, or expensive penalties. By choosing our one-stop service, you can avoid complicated paperwork and tedious communication with customs authorities. You do not need to learn professional trade knowledge or prepare complex files by yourself. We ensure all formalities comply with local import laws, making customs clearance fast and smooth. What Benefits You Get from Our All-in-One Service First, you save huge time costs. We take charge of the entire shipping and clearance process, allowing you to focus on your factory production and project progress. Second, you reduce trade risks effectively. Our standardized document processing avoids clearance failures and legal risks. Third, you enjoy transparent pricing with no hidden charges. We provide detailed cost lists for machinery inspection, customs declaration, logistics, and service fees before shipment. Finally, we offer after-arrival guidance to help you pick up cargo quickly. Final Conclusion In summary, we can ship qualified used machinery to almost every country globally and provide full support for import formalities. Our integrated shipping and customs clearance service makes international used machinery procurement simple, safe, and efficient. If you plan to import second-hand equipment, choose our professional service for a worry-free cross-border transaction.
