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Workholding

TUNKERS Pneumatic clamping

Tunkers pneumatic power clamps are widely used in welding fixture applications where harsh environmental conditions exist.

Tunkers power clamps incorporate a flat design with built-in toggle mechanism to provide high clamp forces and also to ensure workpieces remain clamped even in the event that air pressure is lost.   Available with integrated, cartridge type, detection switches it is possible to fully monitor the clamp condition in automated set-ups (robot cells etc).
The toggle mechanism is fully encapsulated within the light weight aluminium body construction and electrical cables are weld spatter resistant, enabling clamps to operate continuously in extreme environments.

In addition to the standard range of power clamps, Tunkers also has a Vario-Clamp version that allows field setting of the clamp opening angle for fastest possible cycle times and opening angle is easliy set with an allen key wrench.

The entire range starts with mini-clamps in three sizes from 16mm to 25mm bore, compact clamps from 25mm to 40mm bore size, and power clamps from 50mm to 80mm bore size.  The compact 25mm unit is also available in a ‘safety-clamp’ version which provides low approach force of less than 10N and full clamping of 250N at the final 6mm of stroke.
A full range of standard clamp arms, options and mounting accessories is provided to support the clamp installation.

In addition to the power clamp series, Tunkers also offers a range of pneumatic swing clamps in both block and threaded body styles for use in welding fixtures.