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Revolvinglathe centre for insert, Type: 20
Article no.: 320617 20
Article code:
Product details
Technical Data
| Adapter | Shank ⌀ 20 mm | |
| Body ⌀ D | 44 mm | |
| Shank ⌀ D1 | 12 mm | |
| ⌀ d | 20 mm | |
| for workpiece weight | 300 kg | |
| Overall length L | 118 mm | |
| Reach L1 | 51 mm | |
| Sprung travel | 3 mm | |
| maximum speed | 3,000 min-1 | |
| Radial run-out | 0.01 mm | |
| suitable for colour code | K12 | |
| Type of product | Centring drill |
Identification & Classification
| Article number | 320617 20 | |
| EAN / GTIN | 4045197773630 | |
| Manufacturer number | 320617 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- Sprung version for axial length compensation whilst machining.
- Fully hardened and ground. Maintenance-free due to lifetime lubrication.
- Special seal prevents ingress of dirt and coolant.
Plain shank for clamping in boring bar holders, collet chucks or hydraulic chucks; for mounting in the second turret.
Description:
Lathe centres are mainly used on lathes to support long and slim workpieces, since with these workpieces there would otherwise be a risk of the workpiece bending or moving around as a result of the forces generated.
The lathe centre is secured with a Morse taper. The workpiece is clamped in the chuck and a counterbore is added using a centre drill. After re-clamping, the lathe centre is then inserted.
The lathe centre is secured with a Morse taper. The workpiece is clamped in the chuck and a counterbore is added using a centre drill. After re-clamping, the lathe centre is then inserted.
Application:
Flexible application thanks to exchangeable inserts. For general use on turrets and counter-spindles on CNC machines.
Optional extras:
Exchangeable inserts No. 320625.
Note:
Changing the inserts in the key surfaces by counter-rotation.