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High Precision Centerless Grinder

The High Precision Centerless Grinder is a device that performs small-diameter external cylindrical grinding by using a grinding wheel and a guide wheel in the presence of no center support.

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Product Introduction

Introduction

The High Precision Centerless Grinder is a device that performs small-diameter external cylindrical grinding by using a grinding wheel and a guide wheel in the presence of no center support.

Specification

Product Name	High Precision Centerless Grinder
Model	MX-M1040B
Plunge-feed
Grinding Diameter	2-40mm
Max. Grinding Length	120mm
Through-feed
Grinding Diameter	2-40mm
Grinding Wheel Specification	PSA350x125x127mm
Regulating Wheel Specification	PSA250x125x75mm
Grinding Wheel Speed	1870r/min
Regulating Wheel Speed	10-200r/min
Swivel Angle of Regulating Wheel
Vertical	-2°- +4°
Horizontal	0°- 3°
Micro Feed/Division	0.002mm
Dresser Feed Amount/Division	0.01mm
Height From Centerline of Gri. Wheel & Reg. Wheel To Work Rest	190mm
Motor Power
Grinding Wheel Motor	7.5KW
Regulating Wheel Motor	1.1KW
Power Supply	3N 380V 50Hz
*Machine Dimension (LWH)*	1550x1300x1405mm
Machine Weight	About 2000Kg
Accuracy (Standard Bars)
Roundness	0.002mm
Cylindricity	0.003mm
Roughness	Ra0.32μm

Features

Controlling Micro-Feed
Minimum feed resolution of 0.002 mm, combined with 0.01 mm dressing increments, achieves dimensional compensation at fixed step distances.

Suitable for Small Diameter Parts
Machining range of 2–40 mm, combined with a 190 mm center height, ensures stable geometric positioning of small-diameter workpieces between the guide wheel and the support plate.

Refined Surface Formation
Grinding wheel speed of 1870 r/min, combined with PSA 350×125×127 mm grinding wheel size, forms a continuous cutting path under high linear speed conditions.

Controlling Workpiece Path
Guide wheel speed adjustment of 10–200 r/min, combined with -2°~+4° and 0°~3° swing angles, adjusts the relationship between workpiece rotation and axial feed, thereby changing the grinding path.

Applications

Electronics and Precision Components: Used for machining thin and miniature shafts to meet the outer diameter requirements of small-sized mating parts.

Medical Devices: Used for machining slender needles and guide components to control the consistency of outer diameter dimensions.

Bearings and Miniature Standard Parts: Used for machining small-diameter rollers and pins, suitable for mass production.

Precision Machinery: Used for machining small drive shafts and guide components to meet the needs of small-sized parts.

FAQ

Q: What types of workpieces is this equipment suitable for?

A: Suitable for small-diameter shafts or slender parts with diameters of 2–40 mm, especially parts requiring continuous external cylindrical machining.

Q: How to adjust parameters for small workpieces?

A: The guide wheel speed (10–200 r/min) and swing angle need to be matched to coordinate workpiece rotation and feed, while dimensional correction is performed using a 0.002 mm feed resolution.

Q: When is wheel dressing required?

A: When dimensional deviations cannot be corrected by minimum feed or when the surface roughness deviates from Ra by 0.32 μm, wheel dressing should be performed in 0.01 mm increments.

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High Precision Centerless Grinding Machine