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4 Attachment(s)
Rotary table/Deving head
I have designed and built this useful rotary table/dividing head that is very simple to use. No sector arm or plates to worry about. It uses a 30 to 1 worm gear ratio. It also uses a disc with 100 divisions for counter. I use one with a turn counter but a plain disc works just a well. You divide the number of divisions into 30 with a calculator. Set your dial at 0. If your answer was 2.1 you would turn your dial 2 revolution and the continue to stop at 10. For the second division add 2.1 to the first which would be 4.2 turn your dial another 2 turns and stop at 40 etc.
I made a pattern of the block and had it cast at a small foundry.
Attachment 22247 Attachment 22248
Attachment 22257 Attachment 22258
Photos showing the parts and the worm side of the fixture have been added.
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Thanks Nick Jonkman! We've added your Rotary Table and Dividing Head to our Measuring and Marking category,
as well as to your builder page: Nick Jonkman's Homemade Tools. Your receipt:
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<a href="http://www.homemadetools.net/homemade-rotary-table-and-dividing-head">
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<a href="http://www.homemadetools.net/homemade-rotary-table-and-dividing-head">Rotary Table and Dividing Head</a>
<span> by <a href="http://www.homemadetools.net/builder/Nick+Jonkman">Nick Jonkman</a></span>
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<div class="tags">tags:
<a href='http://www.homemadetools.net/tag/divider'>divider</a>, <a href='http://www.homemadetools.net/tag/rotary-table'>rotary table</a> </div>
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