Yuhuan CNC Machine Tool Co., Ltd.

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CNC Vertical Worm Gear Grinding Wheel Machine

The CNC vertical worm gear grinding machine is widely used for continuous, batch-based, and specialized production of spur and helical cylindrical gears in industries such as automotive manufacturing, mold and die making, rail transportation, precision instrumentation, and aerospace. It is ideally suited for precision finishing of spur and helical gears made from high-hardness metallic materials, including hardened steel and high-temperature alloys.Accuracy GB4, Surface roughness ≤ Ra0.8.

Keywords

Precision grinding, intelligent manufacturing technology, integrated solutions

Classification

CNC grinding machine series

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Typical Machining Parts

Equipment Highlights

Key Features
1.High-Precision Machining
Utilizes the generating grinding method to achieve tooth profile, helix angle, and pitch accuracy up to Class 4 per national standards (GB/T equivalent).

2.Self-Optimizing Grinding Wheel
Equipped with an automatic dressing and compensation system that corrects wheel wear in real time, extending wheel life and ensuring consistent machining quality.

3.High-Efficiency Batch Production
Employs a continuous grinding process that shortens cycle times, making it ideal for high-volume manufacturing of disc-type and shaft-type gears.

4.Versatile Parameter Adaptability
Supports adjustable module, helix angle, and material compatibility, with easy wheel changes to expand the range of machinable workpieces.

5.Intelligent Automation
Features fully automated process control covering loading/unloading, tool setting, grinding, and dressing, with CNC multi-axis linked programming that minimizes manual intervention.

6.Core Technological Innovations
Integrates dual-spindle direct-drive technology, automatic tooth-space centering, allowance distribution, and three-section tooth profile modification, all of which enhance operational stability and precision.

Technical parameters

Main Specifications

Item	Specification	Unit	YHYMK7232
Workpiece Parameters	Module	mm	0.5–6
	Max. number of teeth	—	320
	Max. tip diameter	mm	320*
	Max. face width	mm	260
	Helix angle range	—	±45°
Grinding Wheel Dimensions	Outside diameter × Length	mm	275 × 160
Spindle Parameters	Spindle designation	Unit	Speed
	Grinding spindle	rpm	12,000
	Workpiece spindle	rpm	2,000
Accuracy Rating	Gear machining accuracy	—	Class 4 (per GB/T 10095-2008)
Total Machine Power		kW	50
Power Supply	380V ±10%, 50Hz, 3-phase AC	—	—
Noise Level	75 dB (at 1 m from machine)	—	—

Model	Max. machining diameter	Module range	Max. face width	Worktable load capacity (kg)
YHYMK7216	Φ160	0.5-4	160	30
YHYMK7232	Φ320	0.5-6	260	80
YHYMK7250	Φ500	1-8	300	150