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Manufacturer number:
Cat. No.:
Revolving lathe centre 60°, Morse taper: 4
Article no.: 616639
Catalog no.: 320645
Article code:
Product details
Technical Data
| Overall length | 179 mm | |
| Head diameter | 43 mm | |
| Type of centring point | tracking | |
| Point angle | 60 degrees | |
| Largest point diameter | 20 mm | |
| Point length | 27 mm | |
| Mounting machine-side | MT4 | |
| With carbide tip | no | |
| With shock absorbing | no | |
| Usable length | 77 mm | |
| Max. workpiece weight | 800 kg | |
| Maximum speed | 6’000 min-1 | |
| Maximum radial run-out | 0.005 mm | |
| Half centring point | no | |
| Replaceable centring points included | no | |
| Use | turning | |
| Weight | 0.96 kg | |
| Type of product | centring drill |
Identification & Classification
| Article number | 616639 | |
| Catalog number | 320645 | |
| EAN / GTIN | 4045197773678 | |
| Manufacturer number | 320645 4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- Lightweight version with slim body.
- Precision roller bearings for high concentricity.
- Maintenance-free due to lifetime lubrication.
- Special seal prevents ingress of dirt and coolant.
- MT shank hardened and ground.
Point angle 60°.
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:
Mainly used for machining small and smallest parts on all types of lathes.