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Normal Gear Hobbing Machine For Cutting Teeth
GH-500EA GHM-500EA GHB-500EA GH-500E/1
Performance and Feature
1. The model GH-500EA general purpose gear hobbing machine is capable of cutting spur and helical gears, worm wheels, sprockets and short spline shafts in one-off, small-scale and a large-scale production. The machine features reasonable construction, high rigidity, high working accuracy, easy operation, and simple setup. It can work in the conventional or climb method. It is equipped with an automatic shut-down device, safety-securing mechanisms and an automatic system. The machine can be furnished with imported hydraulic components or tangential hob head for cutting worm wheel in tangential feed mode on customer's request.
2.The modle GHM-500EA precision gear hobbing machine has the same features and functions as that of the model GH-500EA, excludes its working accuracy is at least by one grade higher than that of the GH-500EA.
3.The modle GHB-500EA semi-automatic gear hobbing machine has the same specifications and applications as that of the general purpose machine. It adopts PLC to control it with only once adjustment, it can perform an automatic working aycle for cutting in batch production and has an automatic hob shifting mechanism to prolong the service life of hob.
4.The model GH-500E/1 slightly-tapered gear hobbing machine is designed for cutting of slightly tapered gears under axial and radial feeds at the same time. Cylindrical gears can be cut with plain axial feed, wheel the worm wheels can cut under automatic radial feed. In case of mass production of identical gears, it only needs to be set up one time.
Remarks
1. Standard attachments: main machine, one set of standard change gears, tools for installation and setup, hob arbors Φ22, Φ27 and Φ32 one for each.
2. Tangential hob head is available on customers' special order to produce worm wheels.
Technical Parameters
| Specifications | Units | GH-500EA | GHM-500EA | GHB-500EA | GH-500E/1 |
| Max. workpiece dia. | mm | 500 | 500 | 500 | 500 |
| Max. module | mm | 8 | 6 | 8 | 8 |
| Max. worktable speed | rpm | 7.8 | 5.5 | 7.8 | 7.8 |
| Spindle speed/steps | rpm | 40-250/9 | 40-250/9 | 40-250/9 | 40-250/9 |
| Distance between hob axis and worktable surface | mm | 235-535 | 235-535 | 235-535 | 235-535 |
| Center distance between hob and worktable | mm | 30-330 | 30-330 | 30-330 | 30-330 |
|
Distance between end face of bearing bore of tailstock and worktable surface |
mm | 380-630 | 380-630 | 380-630 | 380-630 |
| Hob shifting travel | mm | 55(Manual) | 55(Manual) | 70(Auto.) | 50(Manual) |
| Max. swivel angle | deg | 240 | 240 | 240 | 240 |
| Max. hob dia. length | mm | 160*160 | 160*160 | 140*140 | 160*160 |
| Worktable dia.*bore dia. | mm | Φ510*Φ80 | Φ510*Φ80 | Φ510*Φ80 | Φ510*Φ80 |
| T-slot of worktable | 6*M12 | 6*M12 | 6*M12 | 6*M12 | |
| Total power/ Main motor power | Kva/kw | 6.45/4 | 6.45/4 | 6.45/4 | 6.45/4 |
| Machine size(L*W*H) | cm | 244*136*180 | 244*136*180 | 244*136*180 | 244*136*180 |
| N.W/G.W | kg | 4500/5500 | 4500/5500 | 4500/5500 | 4500/5500 |
| No. of cases | 1 cases in total | 1 cases in total | 1 cases in total | 1 cases in total |
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