Collet Chucks with Special Installation

Quick-Grip CNC collet chucks from Royal Products offer a number of advantages over traditional collet chuck designs, the company says.

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Quick-Grip CNC collet chucks from Royal Products offer a number of advantages over traditional collet chuck designs, the company says. A special installation tool compresses the rear end of the collet so that it can be inserted. Upon expansion, the collet locks into place via a hook and groove arrangement.

The system also offers the 1/16” gripping range of the collets. This range is possible as each segment of this collet is completely separated from the other segments by a vulcanized rubber spacer. This design allows for parallel gripping of the workpiece over the entire closing range, providing a significant advantage over spring-type collets.

The installation tool incorporates steel pins that align with drilled holes on the collet face. When these pins engage the face holes and the trigger on the tool is actuated, the collet becomes temporarily compressed.

In its compressed state, the collet can then be inserted into the collet chuck, where the hooks on the rear of the collet segments become axially aligned with a retaining groove in the chuck.

Releasing the installation tool allows the collet to spring open, seating the hooks in the groove and drawing the matching ID/OD tapers into full, positive contact. The 10-second collet change is now complete.

In addition to the 10-second change feature, these collet chucks have a full collapse range of 0.062", which is much wider than conventional spring collets. Also, Quick-Grip collet chucks tend to be shorter than their spring-type counterparts.

The collet chucks are available in capacities from 1 5/8" up to 3 1/8".