How to choose a back pull collet? What is the structure principle?

August 10, 2021

Collet is a kind of locking device for clamping cutter or cavity, which is usually used in drilling and milling machines and machining centers. Select the quality of the rear pull collet and identify the titanium Hao. The rear pull collet is to pull the clamping part backward after the object is loaded to clamp the collet. The forward push type moves the cavity forward so that the collet clamps the object. At present, the collet material used in the industrial market is 65Mn. Collets are called elastic collets or collets. It is a cylindrical fixture used to imprison reamers or milling cutters on lathes. It is also a fixing device used to fix and reinforce the parts that need to be rebuilt.

CNC milling machine spring collet (collet). It is a cylindrical fixture used to imprison reamers or milling cutters on lathes. The utility model relates to a fixing device used for fixing and strengthening parts that need to be reconstructed.

The structure principle is as follows: put the collet into the closing bolt, and then gently screw the locking pin equipped with spring collet on the scabbard, extension rod or main shaft. Be sure to clean the threaded part, locating surface and conical surface of spring collet and locking bolt. During the installation of collet and locking screw, the collet and locking nut must be tilted at a certain angle, and then gently installed into the locking slot of the locking nut.

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