High Precision Wide-Wheel Centerless Grinder

The MX-M10200 series high-precision wide-wheel centerless grinder is a high-end CNC machine tool designed for high-volume, high-precision grinding of long shaft parts. It breaks through the limitations of traditional centerless grinder wheel width by using an ultra-wide grinding wheel (typically ≥300mm wide) combined with a high-rigidity structure to enable a highly efficient "one-pass, full-process forming" machining mode. It is a core piece of equipment in production lines for long shaft parts in industries such as automotive, hydraulics, and textiles.

 

 

 

• Ultra-Wide Grinding Wheels, Doubling Efficiency

* Revolutionary Design: Equipped with giant grinding wheels ranging from 300mm to 600mm (or even wider), the grinding contact area is 2 to 3 times that of ordinary models.

* High-Speed ​​Through Grinding: Supports larger guide wheel inclination angles, significantly increasing the axial feed rate of the workpiece. For long shafts of 500mm-1500mm in length, the machining cycle time can be reduced by 50%-70%, significantly increasing single-shift output.

* No Tool Marks: The ultra-wide coverage avoids the tool marks and spiral marks caused by repeated reciprocating grinding with narrow grinding wheels, resulting in excellent surface consistency.

 

• Ultimate Rigidity, Stable Precision

* Hydrostatic Spindle System: For the huge radial load generated by the wide grinding wheels, it comes standard with hydrostatic spindles or an ultra-large diameter dynamically balanced spindle, ensuring zero vibration and zero deformation during high-speed rotation.

* Mineral Casting Bed: The entire machine base is constructed from polymer concrete (mineral casting), which has 10 times the shock absorption performance of cast iron and extremely high thermal stability, ensuring accuracy without drift during long-term continuous machining.

* Extra-Long Carbide Support Plate: Utilizing a specially designed extended integral carbide support plate, it effectively supports slender workpieces, preventing bending deformation due to their own weight and easily controlling cylindricity within 0.002mm/500mm.

 

• Intelligent CNC, Closed-Loop Control

* Multi-Axis Linkage: Equipped with a 4-5 axis CNC system (X/Z/C/A/Y), enabling precise digital control of grinding wheel feed, guide wheel speed/angle, and dresser movement.

* Online Measurement Compensation: Integrating, for example, the MARPOSS measuring instrument's application in engine cylinder bore size control and error prevention methods, it automatically compensates for grinding wheel wear and thermal deformation by real-time monitoring of workpiece dimensions, achieving dimensional tolerance control of ±0.001mm.

* Adaptive Grinding: Built-in intelligent grinding cycle software automatically adjusts the feed strategy (rapid traverse - rough grinding - fine grinding - finishing) based on the allowance, preventing burns and optimizing cycle time.

 

• Powerful Cooling, Green Manufacturing

* Full-Area Spray System: Multiple sets of high-pressure nozzles are arranged along the width of the grinding wheel, combined with a high-flow-rate cooling pump (100L/min), ensuring sufficient cooling and lubrication of the grinding zone and preventing workpiece burns.

* High-efficiency Filtration and Chip Removal: Standard configuration includes a large magnetic separator + paper belt filter (or centrifugal separator), quickly removing large amounts of grinding debris, keeping coolant clean, and extending grinding wheel life.

* Oil Mist Purification: A fully enclosed casing with a negative pressure oil mist collector meets environmental emission standards and improves the workshop environment.

 

 

 

Industry Sector	Typical Workpiece	Processing Advantages
Automotive Parts	Drive shafts, steering tie rods, shock absorber piston rods, valve lifters	High efficiency for millions of annual production volumes, ensuring straightness of long shafts
Hydraulics & Pneumatics	Hydraulic cylinder piston rods, cylinder rods, plunger pump cores	Mirror finish (Ra<0.2μm), no spiral marks, excellent sealing performance
Textile Machinery	Spinning rollers, spindles, long pins	Solves the problem of vibration in slender shafts, smooth and uniform surface
Bearing Industry	Long cylindrical rollers, railway bearing rollers	Good batch consistency, extremely high geometric precision
General Machinery	Various optical shafts, guide rail shafts, printing roller shafts	Adaptable to various steel and stainless steel materials, flexible processes

 

 

 

Product Name	High Precision Wide-Wheel Centerless Grinder
Model	MX-M10200
Plunge-feed
Grinding Diameter	10-200mm
Max. Grinding Length	390mm
Through-feed
Grinding Diameter	10-200mm
Grinding Wheel Specification	P600x400x305mm
Regulating Wheel Specification	P350x400x203mm
Grinding Wheel Speed	1110r/min
Regulating Wheel Speed (stepless)	10-200r/min
Regulating Wheel Frame Swivel Angle
Vertical	-2°- +4°
Horizontal	-2°- +4°
Grinding Wheel Frame Min Feed Amount	0.002mm
Regulating Wheel Frame Min Feed Amount	0.01mm
Grinding Wheel Dresser Feed Amount/Division	0.01mm
Regulating Wheel Dresser Feed Amount/Division	0.01mm
Height From Centerline of Gri. Wheel & Reg. Wheel To Work Rest	290mm
Total Power
Grinding Wheel Motor	30KW
Regulating Wheel Motor	2.2KW
Power Supply	3N 50Hz 380V
Machine Dimension (LxWxH)	3600x1850x1720mm
Machine Weight	About 10000Kg
Accuracy (Standard Bars)
Roundness	0.002mm
Cylindricity	0.005mm
Roughness	Ra0.32μm

 

Note: Specific parameters and configurations can be customized based on customer workpiece drawings and production capacity requirements.

 

 

* Cost Reduction and Efficiency Improvement: Although the initial investment is higher, the cost per piece is significantly reduced, resulting in a short payback period (typically 1-2 years).

* Quality Upgrade: Completely solves quality pain points in long-shaft grinding such as concavity, spiral marks, and burns, enhancing product quality.

* Automation Friendly: The structural design is naturally suited for integration with automatic loading racks, gantry robots, or other robotic systems, easily enabling the creation of unmanned, lights-out factories.

* Process Expansion: Not only suitable for ordinary steel parts, but also, when used with CBN grinding wheels, it can efficiently grind high-hardness materials such as bearing steel and tool steel.

 

Our wide-wheel centerless grinders are the ultimate solution for precision manufacturing of long-shaft parts. They perfectly integrate "wide wheel technology" with "modern CNC intelligence," providing powerful productivity tools for manufacturing enterprises pursuing high output, high precision, and high stability. Contact us now!