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Schunk toolholding suits five-axis machining

A Schunk Intec product story
Edited by the Engineeringtalk editorial team Nov 5, 2009

Schunk has developed a series of toolholding solutions for five-axis machining processes.

Among its toolholding products is the long, slim Tendo SVL hydro-expansion extension with an extension length of 150 or 200mm.

The extension doesn't require any auxiliary equipment and converts almost any precision toolholder into a highly flexible specialist for narrow spaces - independently of the spindle interface.

Its precise run-out of 0.003mm, vibration dampening and internal coolant supply ensure good machining results and long tool service life.

A single Tendo extension can be fitted with a variety of standard tools.

Also designed for optimised interference contours, the Tribos SVL is a 100-, 150- or 200mm-long toolholder extension as standard, that can be combined with various toolholders.

The one-piece, high precision extension covers all toolholder diameters from 0.3 to 5mm in 0.1mm increments and then 6 to 20mm in 2mm increments, and has a true running and repeat accuracy of 0.003mm.

The Tendo LS is bulkier but offers more stability when compared to other hydraulic toolholders.

The Tendo hydraulic expansion toolholders have a 25deg chuck chamfer that is enough to reduce the interference contour by 40 per cent.

The L1 dimension of this precision toolholder is 150 or 200mm.

The long version achieves true running of 0.003mm at 2.5 x D from the front of the toolholder.

The Tendo E is offered for the interfaces SK 40 + 50, JIS-BT 40 + 50 and HSK-A 63.

The clamping diameter is uniformly 32mm for SK 50 and BT 50 and 20mm for SK 40, BT 40 and HSK-A 63.

Smaller shank diameters can be clamped via intermediate sleeves.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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