Fixtureworks has introduced a line of low-profile inserts called GripSerts.
These grippers are made to grip steel workpieces. With only 3.5 mm of clamp surface needed to securely hold the workpiece, TG GripSerts workholding grippers are ideal for five axis machining operations. Because of the geometry of the grippers, the inserts create a pull-down effect that prevents any lifting of the workpiece while clamping. The inserts combine a tough-coated cemented carbide with specialized teeth and triangular shapes that are designed to penetrate steel.
Fixtureworks says TG GripSerts workholding inserts offer many advantages over traditional clamping systems. Their triangular shape with a 5° tapering and teeth geometry combine to provide clamping stability with no need for pre-machining or dovetailing workpieces. They are designed to absorb and dampen vibrations, providing secure and stable holding at lower clamping forces which prevents deformation of the workpiece. This results in a higher cutting rate and less waste of materials than traditional clamping systems. The TG GripSert carbide gripper inserts are designed for ultra-low profile 0.14 in. (3.25 mm).
With only 3.5mm of clamp surface needed to securely hold the workpiece, TG GripSert
workholding inserts are ideal for five axis machining operations. They can penetrate materials including steel, hardened steel/titanium (up to 50-54 HRC) as well as aluminum.
A retrofit GripSerts vise jaw kit is available, including jaw pair, wrench, and screw pack for a Kurt 6″ vise. TG GripSert grippers and jaws can also be used with all TriMax Series vises. Using the TG-CUTTER tool to finish pre-machined insert seats, users can also install GripSerts on any custom jaws or clamping devices. The suggested clamping force is 30 ft.lb. For correct clamping, users need to make sure to use the proper screw length for the specific vise in use. Proper length is determined by adding the thickness of the TG GripSert jaws and the depth of the thread of the vise.