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1. Machining for spur gear, helical gear and short spline shaft, with high and stable accuracy;
2. With both Clockwise and Counter-clockwise Axial feed;
3. Adopt integrated control for hydraulic and electrical system, also, with PLC for electrical control;
4. Equipped with safety system and automatic system, with auto-stop function;
5. Easy for adjustment, and suitable for large scale production.
2. Standard accessories:
1. Hob shank (Φ22, Φ27, Φ32 for GH20/GH50; Φ27, Φ32, Φ40 for GH80) 1set
2. Hob mandrel 1set
2. Standard change gear 1set
3. Special tools 1set
3. Technical Specification:
Model Description | Unit | GH80 | GH50 | GH20 |
Max. diameter of workpiece | mm | 800 | 500 | 200 |
Max. modulus | mm | 10 | 8 | 6 |
Max. speed of worktable | r/mm | 5.2 | 7.8 | 16 |
Speed of spindle | r/mm | 40-200 | 40-250 | 80-400 |
Speed range of feeds | mm/r | 0.4-4 | 0.4-4 | 0.4-4 |
Distance between tool centre and worktable axis | Mm | 50-550 | 30-330 | 30-175 |
Distance between tool centre and worktable | mm | 235-585 | 235-535 | 260-490 |
Distance between outer bracket and worktable | mm | 390-790 | 400-630 | 350-600 |
Max. swiveling angle of hob rest | ° | ±60 | ±60 | ±45 |
Hob shifting distance | mm | 55(manual) | 55(manual) | 100(manual) |
Max. size of hob (Dia.x L) | mm | 180x180 | 160x160 | 140x140 |
Worktable size Dia.x bore Dia. | mm | 650x80 | 510x80 | 200x70 |
Main motor power | kw | 5.5 | 4 | 7.5 |
Total motor power | kw | 8.5 | 6.45 | 10.8 |
Overall dimension(LxWxH) | cm | 280x155x205 | 244x136x180 | 244x227x185 |
Packing case dimension (LxWxH) | cm | 300x205x270 | 263x165x222 | 260x240x200 |
Net weight/gross weight | Kg | 6000/7000 | 4500/5500 | 4000/5000 |
Gear hobbing machine