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Powerful Vise Clamping System for 5-Axis Machining

The Kontec KSX NC vise from Schunk USA provides a safe and secure hold, even for minimum clamping surfaces, between 0 to 250 mm. By using draw bar and base body extensions, the clamping range can be enlarged to 749 mm.

Posted: March 27, 2014

The KontecKSX NC vise is ideal for simultaneous 5-axis machining because it fits smoothly into the Schunkmodular system for highly efficient workpiece clamping. This means the clamping pins of the VERO-S quick-change pallet system can be directly integrated into the base body of the 5-axis clamping vise.

The VERO-S NSA plus palletizing module achieves pull-in forces of up to 20.000 N. The holding forces are higher than 100.000 N. Even in the case of demanding volume cutting, the extreme shear forces are reliably absorbed without having to change the workpiece position. If needed, it can be directly integrated in the machine table, which means greater dependability and process reliability.

The KontecKSX NC vise from Schunk USA Inc. (Morrisville, NC) is a powerful clamping system for simultaneous 5-axis machining. The compact and easily accessible clamping system can handle tool-free adjustable clamping forces between 4 and 40 kN, (measured directly at the workpiece.) This offers a safe and secure hold, even for minimum clamping surfaces.

The support surfaces at a height of 211 mm ensure that the workpieces are easily accessible from all sides. With just one lever rotation, they are quickly clamped, resistant to vibrations, and have a high repeat accuracy. Since the unit is draw bar actuated, the bending load at the base body is highly reduced.

Moreover, the long guiding system and the arrangement of the clamping mechanism ensure a very stiff, dimensionally stable set-up. The drive and the adjustment mechanism of the 5-axis clamping vise are completely encapsulated and thus protected against chips, dirt, and coolant, and the easy-to-clean design reduces build-up of chip clusters.

The KontecKSX fits smoothly into the Schunkmodular system for highly efficient workpiece clamping. Therefore, the clamping pins of the VERO-S quick-change pallet system can be directly integrated into the base body of the 5-axis clamping vise. Combined with the quick-change pallet system it can be quickly exchanged with a maximum repeat accuracy on the machine table.

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The VERO-S system ensures maximum flexibility and a repeat accuracy of less than 0.005 mm. Users benefit from more than 500 workpiece clamping versions which can be combined with an extensive range of stationary clamping vises.

Optionally, the vise can be equipped with standard, aluminum, special 5-axis top jaws, or pendulum plates and many other standard chuck jaws from the world’s largest standard chuck jaw program from Schunk. The clamping range of the KontecKSX lies between 0 to 250 mm. By using draw bar and base body extensions, the clamping range can be enlarged to 749 mm.

The NSA plus module for the VEROS quick change pallet system ensures maximum precision for automated machine loading. The extra low installation height means plenty of space is left in the machine room while the robust design guarantees a secure hold, even at rough machining.

In order to prevent the access of chips and dirt into the automatic changing process, a forced air flow cleans the faces during pallet change, and ensures a chip-free contact face of the pallet. The centering rings then ensure precise positioning, and clamping slides for a form-fit, self-locking fixing, making the repeat accuracy amounts to less than 0.005 mm. A system monitors the dynamic pressure of every process step: module open, module closed, and presence of the pallet. For pick up purposes, the pins lift the pallet and simplify the pallet change.

Schunk USA Inc., 211 Kitty Hawk Drive, Morrisville, NC 27560, 919-767-1987, Brad.Evans@us.schunk.com, www.schunk.com.