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GEAR HOBBING MACHINERY (Hobbers), For Bevel, Helical, Spur & Worm Gears

Tos #OFA32A, automatic cycling hobbing machine, 320mm diameter gear, 1995, #1660

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General Specifications

Manufacturer: Tos
Model: OFA32A
Year: 1995
Stock #: 1660
Price: Request a Price

Dealer Information

Blumberg Machinery Co
2101 Waukegan Rd, Ste.305
Bannockburn, IL 60015-1836
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Contact: Jerry/ Ryan
Tel: 847-580-6800
Fax: 847-580-6801
Cell: 847-962-6557
In the Surplus Record since 1971

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Detailed Product Description

Serial No. 45-483 New 1995

The OFA 32A Gear Hobber is designed to hob spur gears with straight or helical teeth, sprocket wheels, worm wheels in radial hobbing method, spline shafts and other types of profiled components in the gear generating method.

The machine is suitable for the single piece or batch construction.

Motor Driven With AC Motor and Controls, Motor Driven Hydraulic and Coolant Systems.


Automatic Work Loading Attachment, Helical Gear Attachment, Tangential-Drive Head Which Will Allow The Machine To Produce Work Wheels In The Tangential Method. Hydraulic Clamping Cylinder. Gear Blank Clamping Attachment For The Hydraulic Clamping Cylinder. Large Quantity of Change Gears And Work Holding Fixtures. Magnetic Swarf Conveyor and Speed Pulleys.


Max Gear Diameter 320mm (12.6″)
Max. Module To Be Hobbed 7mm (3.6 DP)
Hob Head Travel 250mm (9.8″)
Distance Hob Axis To Table Axis
Min. 40mm (1.6″)
Max. 300mm (11.8″)
Max. Helical Angle Of Gear Teeth ±45°
Max. Diameter Of Hob 150mm (5.9″)
Max. Length Of Hob 200mm (7.8″)
Hob Speeds In Steps (17) 71-450 RPM
Diameter Of Work Table 300mm (11.8″)
Bore In Work Table 80mm (3.2″)
Axial Feeds 1-220mm/min
Radial Feeds 0.5-25mm/min
Tangetial Feeds 0.26-50mm/min
Rapid Traverse
Axial 560mm/min (22 IPM)
Radial 300mm/min (11.8 IPM)
Tangential 60/30 mm/min
Approx Dimensions 2.5M L-R x 2.4M F-B( 99.2″LR x 94.1″FB)
Approx Height 1.8M (71.65″)
Approx Weight 6,200KG (14,000 Lbs)