Reasons to switch to the Diaphragm Centring
The Diaphragm Centring is achieved by a stack of plates that form an intermediate element between the chuck and the object to be centred. The plates have been designed to touch the chuck and the inner object on one side only, but their orientations in the stack are varied to end up covering all sides of the inner object. Once the inner object inserted, a pressure from the chuck forces the plates inwards and creates the desired clamping and centring. And with the bonus of high precision because:
Centring of an "odd" bar for the production of door-lock cylinders
The Diaphragm Centring replaces advantageously the usual segmented tubes
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