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Author Topic: lathe collet chuck  (Read 21163 times)

Offline wheeltapper

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lathe collet chuck
« on: May 12, 2010, 08:32:07 AM »
Hi all
After finishing my beam engine I wanted something easy to do whilst thinking up a new project.
I had to turn a small piece of square bar and not being able to hold it in the 3 jaw and the 4 jaw wouldn'd close down far enough I used  my collet chuck from the mill .

the trouble with that is it will only take short pieces.
I looked around the net and found various places selling mandrel mounted collet chucks, my lathe has a flange on the spindle so chucks bolt on, but the cheapest was about £35 odd.

so I thought "I can do that".
the hardest part is the closing ring and I already have one of those so

http://i293.photobucket.com/albums/mm72/wheeltapper_2008/P5120010.jpglathe collet chuck

http://i293.photobucket.com/albums/mm72/wheeltapper_2008/P5120011.jpglathe collet chuck

http://i293.photobucket.com/albums/mm72/wheeltapper_2008/P5120012.jpglathe collet chuck


the body is screwed into the backplate using the same thread as the cap.
my first piece of internal threading.

I put a length of ordinary bms rod in it and clocked a total runout of a quarter of a thou.

total cost £ 12 and probably as much in weight of swarf  :lol:

cheers
Roy
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Offline Darren

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Re: lathe collet chuck
« Reply #1 on: May 12, 2010, 10:13:20 AM »
Very nice, looks terrific  :clap: :clap: :clap:
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Offline Topos

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Re: lathe collet chuck
« Reply #2 on: May 12, 2010, 01:08:43 PM »
Add my kudos. Simple, elegant, effective.
 :beer:
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Offline wheeltapper

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Re: lathe collet chuck
« Reply #3 on: May 12, 2010, 01:33:01 PM »
Thanks guys.
It also feels a lot safer having my hand near when it's whizzing around at 1000 rpm, no sticky out bits.

cheers
Roy
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Offline Stilldrillin

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Re: lathe collet chuck
« Reply #4 on: May 12, 2010, 03:43:17 PM »
"That`s the way to do it!"  :clap:

Well done Roy!  :thumbup:

David D
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Offline sbwhart

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Re: lathe collet chuck
« Reply #5 on: May 12, 2010, 04:05:24 PM »
Nice bit of work Roy  :thumbup:

Stew
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Offline andyf

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Re: lathe collet chuck
« Reply #6 on: May 12, 2010, 05:20:41 PM »
Great job, Roy  :clap:  It looks better than my commercial version  :doh:

Andy
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I've cut the end off it twice, but it's still too short

Offline Dean W

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Re: lathe collet chuck
« Reply #7 on: May 13, 2010, 12:37:36 AM »
Well done, Roy!  That's a handy thingamajig you turned up, there.
Working with collets is great!

Dean
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Baldrocker

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Re: lathe collet chuck
« Reply #8 on: May 14, 2010, 08:37:44 PM »
Nice work Roy!

Dean
Thats not a thingamajig, it's a whatjamacallit.
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Offline George Greer

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Re: lathe collet chuck
« Reply #9 on: June 06, 2010, 12:15:51 AM »
Are ya sure that is not one of them rare "doohickies"?

Nice work.

George  :beer:
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Offline swhite

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Re: lathe collet chuck
« Reply #10 on: June 06, 2010, 11:12:21 AM »
You can rest a bit better knowing that at the end of the day you will have all of your knuckles!

Steve W.
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Offline rokket

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Re: lathe collet chuck
« Reply #11 on: July 16, 2010, 08:30:48 AM »
Wow!

THIS is the type of thing I love. It might have seemed a little scary to some, but you knew you could do it and you did it, bang!

It's amazing how much is perception and "clicking".

Fine work, thanks for the inspiration.
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