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Thread: making Er16 collet chuck

  1. #1
    Apartment Machinist dovidu's Avatar
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    making Er16 collet chuck

    i needed an er16 collet chuck for my stepper motor.

    purchased two from ebay: "er16 collet chuck motor extension"



    i've had much luck with chinese tools, but this time... it was a terrible experience.

    the specs said if i purchased 8mm ID for motor shaft, I would receive 7.98mm shaft so i could induction heat it, then put it on the shaft



    however, i recieved 8.1mm oversized hole, so i couldn't use it... too much runout.



    took over a month for it to arrive, wasn't going to wait again.



    based on google and forums er collet chucks have 8 degree internal taper angle



    my compound was not gonna have the accuracy required,

    so i used a bevel protractor to get the precision within 0.1 degrees, which for ER collets is enough



    even greater precision could be set, if i purchased electronic bevel protractor, but it would cost me over $600 for quality one.

    i just went with vernier one, which wasn't too bad.



    below is the link to the making vid of this collet holder



    feel free to comment


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    Content Editor DIYer's Avatar
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    Thanks dovidu! We've added your Collet Chuck Holder to our Machining category,
    as well as to your builder page: dovidu's Homemade Tools. Your receipt:




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    Apartment Machinist dovidu's Avatar
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    dovidu's Tools
    Quote Originally Posted by DIYer View Post
    <!-- BEGIN /var/www/html/homemadetools/protected/modules/zeus/views/tool/postUpdate.php -->
    Thanks dovidu! We've added your Collet Chuck Holder to our Machining category,
    as well as to your builder page: dovidu's Homemade Tools. Your receipt:

    <div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="http://www.homemadetools.net/homemade-collet-chuck-holder"> <img src="/uploads/222002/homemade-collet-chuck-holder.jpeg"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="http://www.homemadetools.net/homemade-collet-chuck-holder">Collet Chuck Holder</a> <span> by <a href="http://www.homemadetools.net/builder/dovidu">dovidu</a></span> </div> <div class="tags">tags: <a href='http://www.homemadetools.net/tag/holder'>holder</a>, <a href='http://www.homemadetools.net/tag/collet'>collet</a> </div> </div> </div> </div>
    <!-- END /var/www/html/homemadetools/protected/modules/zeus/views/tool/postUpdate.php -->
    thanks!~ hope folks enjoy this


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