GH1250 CNC6 Large-scale CNC Gear Hobber

Based on the generating process, with carrying out index and differential compensation motions by electronic gearbox, GH1250 CNC6 Large-scale CNC Gear Hobbing Machine is designed to cut cylindrical spur and helical gears.

GH1250 CNC6 Large-scale CNC Gear Hobbing MachineDownload

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Description

Features

Specifications

Applications

Technical parameters of GH1250 CNC6 Large-scale CNC Gear Hobber

Model	Unit	GH1250 CNC6
CNC system		SIEMENS 840D; 6-axis
Max workpiece diameter	mm	Φ1250 (49”)
Max module	mm	16
Max axial travel	mm	600 (24”)
No. of teeth		6-600
Max hob diameter and length	mm	Φ220x260 (8.7x10”)
Spindle taper bore		ISO 50
Worktable surface diameter	mm	Φ930 (37”)
Max hob head swivel angle	degree	±45
Central distance between hob and worktable	mm	100-780 (3.9-31”)
Distance between hob axis and worktable surface	mm	450-1050 (18-41”)
Distance between center end face and worktable surface	mm	750-1350 (3-53”)
Hob tangential travel	mm	220 (8.7”)
Max spindle speed	r/min	275
Max worktable speed	r/min	24
Radial / tangential / axial rapid travel	mm/min	1500
Total power / main motor power	kVA/kW	67/30
Net weight	kg	30000

Standard accessories
1. Hob arbor assembly: Φ40mm;
2. Hydraulic, lubrication and cooling system;
3. Chip conveyor;
4. Auto hob arbor clamping device;
5. Oil mist collector;
6. Vibration isolating pad;
7. Tools for installation and adjustment;

Optional accessories
1. FANUC 31i;
2. Hob arbor assemblies: Φ32, 50, 60mm;
3. Deburring cutter;
4. Auto loading & unloading system;
5. Hob adjusting device;
6. Workpiece fixture;

Applications
Based on the generating process, with carrying out index and differential compensation motions by electronic gearbox, GH1250 CNC6 Large-scale CNC Gear Hobbing Machine is designed to cut cylindrical spur and helical gears, crowning or slightly tapered gears, worm wheels and spline etc. GH1250 CNC6 odvalovacie are used in the industries, such as mine machinery, marine, crane, metallurgy, lift, petroleum machinery, electricity generation equipment, engineering machinery etc.

Features

GH1250 CNC6 odvalovacie is of 6 CNC axes: A--hob head swivel; B--spindle rotation; C--worktable rotation; X--radial feed motion; Y--tangential feed motion (hob shifting); Z--axial feed motion. Four coordinated control axes: B, C, X and Z (or B, C, Y and Z).
Auto overload monitoring and alarm devices for spindle.
Quick retraction protection: in case of power off or failure occurred, synchronously and quickly retract hob.
Symmetric construction of the machine bed ensures stable thermal balance.
Adopt large power AC spindle motor, power is transferred to cutter spindle by high precision helical gearing. Adopt a one-tooth difference clearance-eliminating mechanism to improve transmission accuracy and rigidity.
Large hydrostatic bearings and super precision double worm gearings system are used for worktable.
Bulky parts are of high rigidity, column is of double-wall, rib-reinforced and symmetric construction,
Guideways for axes X, Y and Z are of ample hardened steel guideway, linear recirculating roller guidance systems are preloaded, ensure the guideways have high rigidity and accuracy.

Features

GH1250 CNC6 odvalovacie is of 6 CNC axes: A--hob head swivel; B--spindle rotation; C--worktable rotation; X--radial feed motion; Y--tangential feed motion (hob shifting); Z--axial feed motion. Four coordinated control axes: B, C, X and Z (or B, C, Y and Z).
Auto overload monitoring and alarm devices for spindle.
Quick retraction protection: in case of power off or failure occurred, synchronously and quickly retract hob.
Symmetric construction of the machine bed ensures stable thermal balance.
Adopt large power AC spindle motor, power is transferred to cutter spindle by high precision helical gearing. Adopt a one-tooth difference clearance-eliminating mechanism to improve transmission accuracy and rigidity.
Large hydrostatic bearings and super precision double worm gearings system are used for worktable.
Bulky parts are of high rigidity, column is of double-wall, rib-reinforced and symmetric construction,
Guideways for axes X, Y and Z are of ample hardened steel guideway, linear recirculating roller guidance systems are preloaded, ensure the guideways have high rigidity and accuracy.

Technical parameters of GH1250 CNC6 Large-scale CNC Gear Hobber

Model	Unit	GH1250 CNC6
CNC system		SIEMENS 840D; 6-axis
Max workpiece diameter	mm	Φ1250 (49”)
Max module	mm	16
Max axial travel	mm	600 (24”)
No. of teeth		6-600
Max hob diameter and length	mm	Φ220x260 (8.7x10”)
Spindle taper bore		ISO 50
Worktable surface diameter	mm	Φ930 (37”)
Max hob head swivel angle	degree	±45
Central distance between hob and worktable	mm	100-780 (3.9-31”)
Distance between hob axis and worktable surface	mm	450-1050 (18-41”)
Distance between center end face and worktable surface	mm	750-1350 (3-53”)
Hob tangential travel	mm	220 (8.7”)
Max spindle speed	r/min	275
Max worktable speed	r/min	24
Radial / tangential / axial rapid travel	mm/min	1500
Total power / main motor power	kVA/kW	67/30
Net weight	kg	30000

Applications
Based on the generating process, with carrying out index and differential compensation motions by electronic gearbox, GH1250 CNC6 Large-scale CNC Gear Hobbing Machine is designed to cut cylindrical spur and helical gears, crowning or slightly tapered gears, worm wheels and spline etc. GH1250 CNC6 odvalovacie are used in the industries, such as mine machinery, marine, crane, metallurgy, lift, petroleum machinery, electricity generation equipment, engineering machinery etc.