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Rigid Clamping System |
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New Secure Clamping Device Combines Axial and Peripheral Surface Contacts
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ISCAR's new clamping device combines high axial claming forces with a large cylindrical clamping surface resulting in secure and high precision holding of the tool in the corresponding holder. The larger cylindrical surface contact of the toolholder is achieved by the micro-elastic deformation of the steel surface. With CLICKFIT, a clamping screw pushes the shank of the tool through a narrowed opening inside the hollow adaptor. This opening is slightly smaller than the diameter of the toolholder shank.
The tool sets itself inside in the cylindrical shaped pocket and the steel contracts around it. Contact is made over slightly more than 180 degrees. Tightening the screw, with its conical head, into the corresponding hole in the tool pulls the tool backwards until face contact with the adaptor is achieved.
When using the same toolholder and inserts, CLICKFIT clamping shows more stiffness than the Weldon devices. For example, it was found that when making a 40 mm (1.5") depth of cut, the CLICKFIT clamping was more stable than with Weldon clamping performing a 25 mm (1") depth of cut! CLICKFIT is now available with BT, DIN69871, CAT, and HKS adaptors, with straight shank endmills and with various collet chucks. ISCAR has adapted a wide range of face mills with standard arbor clamping options with the CLICKFIT system. New tools are also available that extend the benefits of CLICKFIT to the new HELI2000 and MILL2000 lines. CLICKFIT holders are also available for a variety of other ISCAR tools using the HELIQUAD, HELIBALL and HELIMILL systems, as well as CHAMMILL and ISCARDRILL. ISCAR's utilization of micro-elastic deformation of the cylindrical steel parts combined with face contact of the adaptor achieves high rigidity clamping of round toolholders.
ISCAR - The leader in metalworking innovation.
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