Myford quick tool post question

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Myford quick tool post question

This topic has 10 replies, 7 voices, and was last updated 20 February 2013 at 22:28 by David Brown 5.

Viewing 11 posts - 1 through 11 (of 11 total)

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17 February 2013 at 21:32 #112382
David Brown 5
Participant
@davidbrown5
Hi my first post, just got my super 7 lathe and i have ordered a quick change tool post from Myford. The lathe came with a 4 way tool post and I cant use my 10mm indexable tools they sit to high, Question what is the largest indexable tool you can fit in this holder?
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17 February 2013 at 21:32 #17017
David Brown 5
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@davidbrown5
18 February 2013 at 08:30 #112403
David Clark 13
Participant
@davidclark13
Hi There

I bought a cheap 4 way tool post and faced the bottom off until 10mm tools fitted it.

regards David
18 February 2013 at 08:43 #112405
Jo
Participant
@jo
Another one of those strange threads where the answer comes before the question….

Jo
18 February 2013 at 09:18 #112410
Jo
Participant
@jo
David (B), are you talking about the four way tool post or your new QCTP? If the latter then you will have no problem with your 10mm tools, there will be enough adjustment. >>

If you look to reuse your four way tool holder as a rear tool post with a suitable packer you will have no problem with tool height as the cutting edge is at the bottom rather than the top. >>

Jo
18 February 2013 at 09:21 #112413
JasonB
Moderator
@jasonb
You could also look at the imported holders that fit these tool posts as some have a thinner bottom "lip" which will allow you to get the tool lower and save the ones that came with the post for smaller tooling.

Watch if you try to machine off the bottom of the holder and they are usually hardened to some degree depending on who made them.

J
18 February 2013 at 09:44 #112418
Roger Vane
Participant
@rogervane67137
Hi All

Beware though, I've bought some imported toolholders where the bottom 'lip' was quite thick meaning that my 10mm tools wouldn't fit. I've now got a good number of these and there is quite a lot of variation – I've just measured some and the bottom lip varies in thickness between 5.6mm and 6.9mm.

Roger
18 February 2013 at 10:15 #112434
Roderick Jenkins
Participant
@roderickjenkins93242
How high the tool tip is also depends on how low the tip fits in its toolbar. On some of the cheaper tools the tip sits proud of the upper surface.

Rod
18 February 2013 at 16:44 #112470
Kevin Bennett
Participant
@kevinbennett25223
hi i had to machine 1.2 mm off the bottom to get the tip tool to canter

Kevin
18 February 2013 at 16:44 #112471
David Brown 5
Participant
@davidbrown5
Thanks for the replies i will let you know tomorrow if my tooling fits, will look into modifieing the 4way.
20 February 2013 at 22:28 #112702
David Brown 5
Participant
@davidbrown5
Well I am happy to say my 10mm indexable bit fits fine and it all works a treat
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