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HIGH-PRECISION CNC WORM WHEEL GEAR GRINDING MACHINE

The machine tool is mainly used for precision grinding of gears in the industries of new energy vehicles, which can meet the current very high testing and acceptance requirements for new energy vehicle gears. The main accuracy can reach: average tooth profile slope deviation ±0.002mm, tooth profile slope consistency V value is ≤0.005mm, the tooth profile waviness is ≤0.0018mm, and the tooth surface roughness Ra≤0.32um.
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Equipment Features

  • The machine tool is an eleven-axis five-linkage CNC gear grinding machine. This series of gear grinding machines is a fully CNC high-precision and high-performance gear grinding machine developed in cooperation with the British PTG (HOLROYD) company in strict accordance with the development process of European high-end precision machine tools.

  • The machine tool adopts European original imported high precision screws with pre-loaded screws for each linear axis. Among them, the Y-axis and Z-axis screws use ceramic ball screws to improve transmission rigidity and greatly improve the use of the screws life.

  • The grinding wheel spindle adopts a high-power integrated electric spindle imported from Germany. The spindle bearings adopt paired ceramic ball bearings imported from Europe. Each linear axis adopts high-rigidity rolling linear guides imported from Europe, and uses Heidenhain grating ruler for detection to achieve full precision. Closed-loop control greatly improves drive rigidity and dynamic response speed, effectively ensuring grinding quality and stability.

  • The machine adopts Siemens 840Dsl system, through the system’s multi-channel control platform, flexible control of eleven numerical control axes, to realize automatic workpiece clamping, automatic grinding wheel dressing, high-speed tooth pairing, automatic grinding demonstration, automatic dressing demonstration, automatic margin allocation and automatic grinding of the entire machining process of fully automatic control.

  • The machine tool software has complete functions and is in a leading position in the country. It can realize various complex modification functions such as arbitrary modification of tooth direction, tooth surface distortion compensation, point dressing (arbitrary tooth shape dressing), tooth surface texture grinding, double pressure angle asymmetric gear grinding, and small taper gear grinding.


Product Parameters

Description

Unit

Specification

Specification

Model


YS7232G

YS7232H

Max. workpiece diameter

mm

320

320

Max. workpiece module

mm

6

6/8

Max. speed of grinding wheel spindle

r/min

10000

12000/7800

Max. speed of workpiece spindle

r/min

2000

2000/1000

Distance from grinding wheel center to worktable rotation center

mm

50~450

50~450

Grinding wheel installation dimensions

mm

Φ300×Φ115×160

Φ240×Φ76.2×200/Φ300×Φ115×160

Max. installation size of roller

mm

Φ140×Φ52×40

Φ150×Φ52×40/ Φ140×Φ52×40

Electric spindle power

kW

28.5

38


※ The above configuration and parameters are subject to change without prior notice.

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