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φ260mm Max Diameter · 180mm Gear Width · 4/5mm Max Modulus

The Y7226 CNC Worm Wheel Grinding Gear Machine is a high-end 13-axis, 5-linkage precision grinder designed for complex worm gear and worm wheel geometries. Powered by a SIEMENS 840DSL CNC system, the Y7226 offers precise control of tooth profiles, grinding trajectories, and synchronization between workpiece and wheel movement. This machine is capable of processing hardened gears with moduli up to 5mm, and a maximum workpiece diameter of φ260mm, making it ideal for precision drive systems. The multi-axis configuration allows for flexible production of various worm profiles and ensures ultra-smooth tooth surface quality, dimensional accuracy, and long-term gear engagement stability.

13-Axis CNC Worm Wheel Grinding Gear Machine Y7226

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Regular maintenance

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Spare parts supply

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On-site installation service

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Customized design

Why Choose Our CNC Solutions

Key Features

  • ● 13-axis CNC system with 5-linkage grinding motion
  • ● Integrated SIEMENS 840DSL control platform for seamless automation
  • ● Handles workpieces up to φ260mm in diameter and 180mm gear width
  • ● Supports worm and worm wheel grinding with modulus up to 5mm
  • ● Precise synchronization between wheel and workpiece for accurate tooth profiles
  • ● Automatic tool dressing, profile correction, and compensation included
  • ● Supports automatic loading/unloading for batch production
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Recommended Configurations

  • CBN or vitrified grinding wheels: Optimized for hardened steel gear blanks.
  • Automatic dresser unit: Keeps grinding wheel profile accurate and sharp.
  • Digital profile compensation module: Ensures high fidelity gear tooth formation.
  • Enclosed coolant system: Enhances surface finish and wheel life.
  • Laser gear measurement station: For inline inspection and profile validation.
  • Robotic loader: For continuous high-efficiency production cycles.
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Application Case

  • Client: Automotive Steering Gear Manufacturer – Germany.
  • Use Case: Final grinding of hardened worm gears for electric steering systems (EPS).
  • Setup: Y7226 with CBN wheel, automatic dresser, and closed-loop feedback.
  • Results: Profile deviation: ≤ 3μm across all teeth,Noise level (post-installation): Reduced by 35%,Surface roughness Ra: ≤ 0.3 μm,Client feedback: “The machine delivers excellent repeatability and surface quality for our worm drive gears with minimal setup time.”
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Product Specifications

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