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ER40 Spring Collets
Like any piece of machinery, your collets require some basic maintenance. Chip or hardened resin which accumulates in a collet can cause the tool to have a slightly elliptical rotation instead of rotating in place- this will create much more vibration, resulting in a shorter lifespan, a poorer quality cut finish, and potential safety hazards. Use our Cleaning Set after use on your collets, chucks, and cones to keep running at peak effectiveness.
Collets have a finite lifespan- we recommend you refresh your collets twice a year if being run for 8-hour days, 5 days a week.
Seating Collets Properly
Properly Inserting Your Collet into the Clamping Nut
• Place the collet diagonal to the clamping nut, and lock it from the side by pressing it from top.
• Screw the nut in, and be sure the shank is correctly inserted in the spring collet.
• Tighten the nut using the opposite key on the proper tightening stand.
• Do not place the spring collet in the collet chuck before you have it properly inserted in the nut.
Correct Procedure for Collet Changes
• Place the collet chuck in the tightening stand.
• Loosen the clamping nut.
• Open the clamping nut and pull the cutting tool out, holding it on the shank.
• Release the collet from the clamping nut by applying lateral pressure.