Dickson QCTP Holders

This topic has 9 replies, 8 voices, and was last updated 21 August 2018 at 17:48 by Tony Pratt 1.

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9 August 2018 at 22:22 #19033
Harry Wilkes
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@harrywilkes58467
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9 August 2018 at 22:22 #366548
Harry Wilkes
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@harrywilkes58467
I have watched a few YouTube videos of people making the single dovetail type toolholders and was wondering if anyone as made the Dickson type toolholder for use on the Myford S7 ?

Cheers

H
10 August 2018 at 00:02 #366559
peak4
Participant
@peak4
I think Thaiguzzi, if you search through his posts/photos

Got the same job to do myself at some point, as I've just bought a 90° horizontal milling cutter for the grooves.

Bill
10 August 2018 at 07:12 #366564
Kerrin Galvin
Participant
@kerringalvin72662
Hi Harry,

I measured up my existing tool holders, averaged them out, draw up in CAD & took the file to a water cut company, 2 days latter they rang to say the first one was done, would a care to come & pick it up & give it a try before they did the rest. I fitted great! No adjustment needed.

Cheers Kerrin
10 August 2018 at 09:30 #366572
thaiguzzi
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@thaiguzzi
Yeah, mine were for my Boxford. Have made 19 in total so far, 11 in steel and 8 in aluminium ('cos i ran out of steel…).
21 August 2018 at 00:08 #368265
John Reese
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@johnreese12848
Getting the correct fit on a Dickson type tool holder is a lot more difficult than on an Aloris style holder. On the Dickson there are two Vs that have to be parallel and an exact distance apart. I admire those who are up to that challenge.
21 August 2018 at 04:36 #368269
Grotto
Participant
@grotto
I'm also planning to have a crack at making some.

I bought some from AR which are great. Topped up with a few more from RDG or Chronos, but there was a fair amount of variability between them, some perfect, others not so. The AR ones are much harder steel which is good unless you want to mill a bit off them so you can use 12mm shank tools.

Videos make it look so easy, but from experience it never turns out that way (for me).
21 August 2018 at 07:20 #368271
thaiguzzi
Participant
@thaiguzzi
Posted by John Reese on 21/08/2018 00:08:34:

Getting the correct fit on a Dickson type tool holder is a lot more difficult than on an Aloris style holder. On the Dickson there are two Vs that have to be parallel and an exact distance apart. I admire those who are up to that challenge.
21 August 2018 at 17:11 #368328
RICHARD GREEN 2
Participant
@richardgreen2
Harry,

Have a look at my post "MAKING QC TOOL HOLDERS" ,

Go on……………have a go.

Richard.
21 August 2018 at 17:48 #368332
Tony Pratt 1
Participant
@tonypratt1
Posted by thaiguzzi on 21/08/2018 07:20:13:

Posted by John Reese on 21/08/2018 00:08:34:

Getting the correct fit on a Dickson type tool holder is a lot more difficult than on an Aloris style holder. On the Dickson there are two Vs that have to be parallel and an exact distance apart. I admire those who are up to that challenge.

Not that difficult for a careful machinist, a mill with a tilting head would have no problem. Some people think dovetails are difficult as used on the Aloris style, so pros & cons for both types.

Tony
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