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Used

USED DEMM DEMM DC280

India

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Overview
Gear Hobbers

This used Demm DC280 CNC gear hobbing machine is available from A.K. Machine Traders in Navi Mumbai, India. A gear hobbing machine cuts gear teeth into a workpiece using a rotating hob.
It handles wheels up to 280 mm in diameter and 240 mm in gear width, with a maximum module of 6 mm. The milling head swivels ±30 degrees, and hob turning speeds run from 50 to 420 rpm.
Key Features
CNC-controlled hobbing
Milling head swivels ±30 degrees
Tangential hob movement of 180 mm
Table with a 140 mm hole
Applications
Spur and helical gears for gearboxes
Gears for automotive and transmission components
Gears for general engineering and machine building
Small-batch and workshop gear production
Commercial Details
Make: Demm
Model: DC280
Condition: Used
Location: Navi Mumbai, Maharashtra, India
Seller: A.K. Machine Traders
Frequently Asked Questions
What size gears can it cut? It takes wheels up to 280 mm in diameter and 240 mm in gear width, with a maximum module of 6 mm.
What hob speeds does it offer? Hob turning speeds range from 50 to 420 rpm.
How much does it weigh and what power does it need? It weighs approximately 8.0 t and has a total power requirement of 35 kVA.
What should I ask when enquiring? Ask for photos or video of the machine running under power, whether an inspection is possible, which hobs, fixtures and accessories are included, the condition of the CNC control and electrics, and loading and shipping arrangements.

Specs

Technical Specifications
Model: Demm DC280
Max. wheel diameter: 280 mm
Max. gear width: 240 mm
Max. module: 6 mm
Table diameter: 280 mm
Table hole: 140 mm
Hob to workpiece axis distance (X-axis): 50–245 mm
Hob to table face distance (Z-axis): 220–460 mm
Max. distance, table to outer steady: 720 mm
Tangential hob movement: 180 mm
Hob diameter: 150 mm
Max. hob length: 230 mm
Milling head swivel: ±30 degrees
Axial feed: 0.1–20 mm/rev
Radial feed: 0.1–5 mm/rev
Rapid travel, X: 400 mm/min
Rapid travel, Y: 4,000 mm/min
Rapid travel, Z: 800 mm/min
Hob turning speeds: 50–420 rpm
Total power requirement: 35 kVA
Machine weight: 8.0 t (approx.)

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