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  1. #1
    Join Date
    Dec 2013
    Posts
    4

    Angry Disappointed in Muscle Chuck

    I purchased the Muscle Chuck in February and have had recurring problems especially with the use of the 1/4 inch collet. Today marks the 4th time I have had a down cut tool screw itself into a piece of wood. I have checked tool diameters and made sure that the collet is inserted correctly, but the problem returns. I am not making aggressive cuts or using high feeds and plunge rates. This has happened in medium and soft woods. One of the instances was with a 1/16 inch up cut tool making a 1/16 inch deep pass.

    I am putting the chuck and the collets in my tool box and going back to changing out the collets on the router. I can't afford the time or the material.

  2. #2
    Join Date
    Dec 2013
    Posts
    4

    Re: Disappointed in Muscle Chuck

    As a follow up I received a call from John DeRosa who makes the Muscle Chuck and and I am returning the parts for evaluation. Something is amiss in the diameters of the collets. John promised that the issue would be handled with new parts as required or a complete refund if I wish.

  3. #3
    Join Date
    Mar 2015
    Posts
    2

    Re: Disappointed in Muscle Chuck

    I also use the muscle chuck, I have had great results total TIR .0004 made my own collet press fit style. Have never had a cutter pull out. many time use a .500 dia 4" long no sweet. 10000 rpm 150 ipm feed

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