Wide-Wheel CNC Centerless Grinder
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Wide-Wheel CNC Centerless Grinder

Wide-Wheel CNC Centerless Grinder

Wide-Wheel CNC Centerless Grinder is a device that performs external cylindrical grinding using a grinding wheel, guide wheel, and CNC system without a center support.

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Product Introduction
 

Introduction

 

Wide-Wheel CNC Centerless Grinder is a device that performs external cylindrical grinding using a grinding wheel, guide wheel, and CNC system without a center support.

 

 

Specification

 

Product Name

Wide-Wheel CNC Centerless Grinder

Model

MX-MK11250

Plunge-feed

Grinding Diameter

10-250mm

Max. Grinding Length

590mm

Through-feed

Grinding Diameter

10-250mm

Grinding Wheel Specification

P600x600x305mm

Regulating Wheel Specification

P350x600x203mm

Grinding Wheel Speed

1110r/min

Regulating Wheel Speed (stepless)

10-200r/min

Regulating Wheel Frame Swivel Angle

Vertical

-2°- +4°

Horizontal

0°- +3°

Grinding Wheel Frame Min Feed Amount

0.001mm

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

45KW

Regulating Wheel Motor

3KW

Power Supply

3N 50Hz 380V

Machine Dimension (LxWxH)

3700x1850x1820mm

Machine Weight

About 11000Kg

Accuracy (Standard Bars)

Roundness

0.002mm

Cylindricity

0.005mm

Roughness

Ra0.32μm

 

 

Features

 

Reduced Manual Adjustment

The CNC feed system, with a minimum wheel feed of 0.001 mm, achieves continuous compensation through program settings, reducing reliance on manual fine-tuning.

 

Expanded Single-Machine Specification Coverage

Machining diameter range of 10–250 mm, coupled with a 290 mm center height, allows for positioning of workpieces of different sizes through guide wheels and support plates, thereby reducing the need for multi-specification equipment configurations.

 

Reduced Changeover Frequency

The 600 mm wide grinding wheel (P600×600×305 mm) expands the axial contact range, enabling through-feed machining to cover a longer area and reducing the number of repeated clamping and positioning operations.

 

Support for Larger Removal Volumes

A 45 kW grinding wheel motor, combined with a 1110 r/min speed and a large-size grinding wheel, provides grinding power under conditions of a large contact area, meeting the needs of large material removal.

 

 

Applications

 

Automotive Parts: Used for machining drive shafts and shock absorber rods, achieving batch dimensional consistency through program control.

 

Bearings and Standard Parts: Used for machining outer rings and pins, suitable for continuous production of parts with fixed specifications.

 

Hydraulic Components: Used for machining valve cores and plungers, achieving dimensional compensation control through CNC feed.

 

General Machinery: Used for machining various shaft parts, reducing equipment configuration by covering multiple diameter ranges with a single machine.

 

 

FAQ

 

Q: What are the differences in usage between CNC and conventional machining centers?

A: CNC machining centers use programmed feed rates (minimum 0.001 mm) and machining cycles, reducing repetitive manual adjustments. They are suitable for scenarios requiring frequent dimensional compensation or clear batch consistency requirements.

Q: What adjustments are needed when switching between workpieces of different diameters?

A: The guide wheel position, pallet height, and guide wheel speed (10–200 r/min) need to be adjusted. The CNC system handles feed control, while the mechanical components handle workpiece positioning.

Q: How to determine if wheel dressing is necessary?

A: When dimensional deviations cannot be corrected by the minimum feed or when the surface roughness deviates from the Ra 0.32 μm reference value, the grinding wheel and guide wheel should be dressed in 0.01 mm increments.

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