Hybrid chuck boosts grinding productivity
A
Schunk Intec product story
Edited by the Engineeringtalk editorial team
Oct 3, 2008
The Rota NCM from Schunk Intec combines a classic centring chuck and a round magnetic clamping plate.
The Rota NCM can reduce set-up times for pneumatically actuated grinding and turning machines by up to 80 per cent.
The large-surface clamping of the Rota NCM enables workpieces to retain their shape while machining as many as three sides, completely free of vibration and deformation.
The chuck's maximum gripping force and speed depend on the geometry of the workpiece and the material used.
They are calculated individually for each application.
In addition to the magnetic clamping, the chuck jaws can also be used to assist the clamping force.
The sealed Rota NCM hybrid chuck is available in sizes from 400 to 1600mm.
It uses magnets to clamp the workpiece over a large surface, avoiding any distortion.
The Rota NCM centres the workpiece in seconds.
Previously, operators had to align workpieces manually with a dial gauge in a complex operation.
Schunk's hybrid chuck now completes this task in a fraction of the time and with maximum precision.
This rules out operator errors, increases reliability and improves the workpiece quality.
Productivity can be increased considerably due to reduced machine downtimes.
This chuck enables completely automated grinding machine operations.
It opens the way for rational mass production and is also suitable for hard and precision turning.
The workpiece is inserted manually or automatically, precisely centred to a reference value by three or six chuck jaws and then securely clamped by the electro-permanent magnets.
An electrical current is all that is required to activate and deactivate the magnets.
During the machining, the permanent radial pole magnets provide a completely secure grip on the workpiece without any electrical current.
The magnets can be activated with varying output categories so the entire clamping process can be fully automated.
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Contact Schunk Intec
Tel +44 1908 611127
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