GH1250 Gear Hobbing Machine

On the principle of continuous indexing, GH1250 gear hobbing machine is suitable to cut cylindrical spur and helical gears and sprockets under axial feed, or worm wheels by a worm wheel hob under radial feed. Feed of the worktable is manual.

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Description

Standards

Optional

Features

Technical parameters of GH1250; GH1250 H; GH1250 P Gear Hobbing Machine

Model	Unit	GH1250	GH1250 H	GH1250 P
Max workpiece diameter with/without rear column	mm	Φ1250/1000 (49/39”)	Φ1250/1000 (49/39”)	Φ1250/1000 (49/39”)
Max module	mm	16	12	12
Min tooth number		12	12	12
Max worktable speed	r/min	5	5	2.5
Worktable diameter x hole diameter	mm	Φ950x200 (37x7.9”)	Φ950x200 (37x7.9”)	Φ950x200 (37x7.9”)
Hob speed/step	r/min	16-125/7	24-187/7	16-125/7
Distance between hob axis and worktable surface	mm	200-730 (7.9-29”)	200-730 (7.9-29”)	200-730 (7.9-29”)
Central distance between hob axis and worktable	mm	100-760 (3.9-30”)	100-720 (3.9-28”)	100-760 (3.9-30”)
Distance between tailstock center bore low end face and worktable surface	mm	580-1000 (23-39”)	580-1000 (23-39”)	580-1000 (23-39”)
Max hob diameter and length	mm	Φ220x220 (8.7x8.7”)	Φ230x220 (9.1x8.7”)	Φ220x220 (9.1x8.7”)
Max hob head swivel angle	degree	±60	±60	±60
Total power / main motor power	kVA/kW	22.75/15	22.75/15	22.75/15
T-slot		6xM20	6xM20	6xM20
Machine dimension (L x W x H)	mm	3700x2100x2520	3700x2100x2520	3700x2100x2520
Net weight / gross weight	kg	15400/16600	15400/16600	15400/16600

Features
On the principle of continuous indexing, GH1250 gear hobbing machine is suitable to cut cylindrical spur and helical gears and sprockets under axial feed, or worm wheels by a worm wheel hob under radial feed. Feed of the worktable is manual. GH1250 is best suitable for mine, oil, ship, engineering mechanism industries for hobbing large gears.
GH1250 P precision gear hobbing machine is developed based on GH1250. GH1250 P is used for cutting high accuracy gears and worm wheel.
Used for cutting cylindrical hardened spur and helical gears etc.

Standard accessories
1. Hob arbor assembly: Φ32, 40, 50mm;
2. Change gears;
3. Tools for installation and adjustment;

Optional accessories
1. Hob arbor assemblies: Φ22, 27, 60mm;
2. Tangential hob head;
3. Column hoop and center;
4. Column raising;
5. Tool alignment device;
6. Chip conveyor;

Standard accessories
1. Hob arbor assembly: Φ32, 40, 50mm;
2. Change gears;
3. Tools for installation and adjustment;

Optional accessories
1. Hob arbor assemblies: Φ22, 27, 60mm;
2. Tangential hob head;
3. Column hoop and center;
4. Column raising;
5. Tool alignment device;
6. Chip conveyor;

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