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BIG KAISER’s Mega Perfect Grip Milling Chuck Eliminates Pullout 

BIG KAISER’s Mega Perfect Grip Milling Chuck Eliminates Pullout 

Added to MTDCNC by ITC LTD on 12 October 2016

Now available from Industrial Tooling Corporation (ITC) is the BIG KAISER Mega Perfect Grip. This simple to handle, heavy-duty milling chuck has been developed for machining heat resistant super alloys (HRSA) as it eliminates end mill pull-out under heavy torque loads.

For manufacturers using milling chucks, pull-out is a major issue, particularly when machining HRSA’s like titanium or inconel. In demanding applications, such as in the energy and aerospace markets, there is a need for guaranteed security against pull-out. Eliminating pull-out ensures there is no costly damage to parts or delays in manufacturing processes.

The Mega Perfect Grip now available from ITC has fully concentric clamping and combines the accuracy and cutting performance of heavy-duty milling chucks with the pull-out security of solid side-lock tool holders.

The concept is simple and assembly is quick. To keep the system cost-effective, it is based around milling cutters with a standard Weldon flat (DIN 1835-1). No special grinding or threading of the milling cutter is required.

To assemble, insert the exclusive key grip into the Weldon flat of the end mill. Align the key grip with one of three key grip grooves inside the chuck body and insert the cutting tool until it depresses a spring in the clamping bore. The spring will consequently function to remove the gap between the key grip and the wall of the groove. This provides a slight axial preload on the tool until final tightening is performed. Rotate the end mill approximately 20° until the grip stops securely against a stopping pin. This engagement prevents any slip under high torque. To complete the tool installation, the operator can tighten the clamping nut until it contacts the positive stop of the chuck body.

The three key grip grooves in the chuck body also serve to provide channels for high volume coolant to reach the cutter. This is a necessity when milling HRSAs to dissipate heat and to remove chips efficiently.

Pull out can be a big headache when working with HRSAs – costing time and money, and hitting manufacturers’ profitability. This innovative chuck solves the problem completely, combining innovation with ease-of-use and industry standards. 

The Mega Perfect Grip is available in BIG-PLUS® BBT and HSK-A100 for Ø20mm to 32mm

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