Type 811 Mandrels (Dead Length)

For special applications, we recommend an Dead Length clamping solution i.e. the bushing only moves radially. A  part with a stop or shoulder could be an application for this, in order to avoid the reduction of the clamping length. Typically used on a sub spindle, where the part is picked up from the main spindle for secondary machining, prohibiting any pulling effect between spindles.

The clamping bushing on this mandrel type is fixed axially and has no movement during clamping. Recommended for light duty machining and for smaller clamping diameters. Minimum clamping-ø is 25 mm. The clamping actuation is done by pushing.