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Tonymech
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Join Date: Jul 2008
Location: Adelaide, Australia
Posts: 403
Good Answers: 14

Dividing Head Problem

09/06/2011 11:19 AM

Hi all

Shown is a Vertex dividing head, which some of you may own. It has a major design flaw.

To allow the chuck to spin freely, the index plate has to be removed and the 2 screws shown have to be loosened and the retaining block rotated to disengage the worm. I have pondered how to modify it so that I can unlock the block without removing the index plate. Has anyone done this? Thanks Tony

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nick name
Guru

Join Date: Mar 2007
Location: City of Light
Posts: 3943
Good Answers: 183
#1

Re: Dividing Head Problem

09/06/2011 12:16 PM

You could use a Hirth coupling between the chuck and the outlet shaft of the worm reduction. It is clearance free and centering at same time. The design is not so easy but feasible.
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ronseto
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Technical Fields - Technical Writing - New Member Engineering Fields - Marine Engineering - New Member

Join Date: Sep 2008
Location: Vancleave, Ms about 30 miles inland from Biloxi and the coast
Posts: 3197
Good Answers: 106
#2

Re: Dividing Head Problem

09/06/2011 2:02 PM

Try posting on one of these sites:http://www.chaski.org/homemachinist/; http://bbs.homeshopmachinist.net/

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thall
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Join Date: Dec 2010
Location: Bloomington, IN
Posts: 118
Good Answers: 4
#3

Re: Dividing Head Problem

09/06/2011 3:24 PM

Easy...I keep my wife out of my work life and work out of my home life. When the two mix I end up with far too many "head problems".

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