Gallery, Projects and General > Neat Stuff

HOME MADE LATHE QCTP

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GBru:
That is a handy little tool.  Gonna have to make me one of those Griff!  Thanks for the information.

G

Arbalist:
I think the idea originally came from John Moore?

Arbalist:

--- Quote from: GRIFFIN on December 08, 2015, 12:21:11 PM ---It would seem that like myself, most people aspire towards a QCTP.
--- End quote ---

No, not really. Like many model engineers I only have a modest 8x14 Lathe and a QCTP would only compromise the limited rigidity further.

We had proper Dickson QCTP on the half a dozen Harrison M300's where I used to work and they worked very well but they were made from hardened and ground good quality steel.

http://www.lathes.co.uk/latheparts/page13.html

They weren't really needed in the end though as they switched from HSS to insert tooling.

I've permanently fixed spacers/shims to some of my tooling so they're always on centre just clamped in the four way.

Nothing wrong with making your own tooling though if that's what you want to do, it's very satisfying. Just be aware of any limitations in design or materials.  :thumbup:

velocette:
 :Hi Griff
Very nicely done job very on pleasing on the eye and very functional tooling.
Be aware that the little buggers will  breed and populate your workshop with variations to fit all manner of lathe tools.
At last count along the shelf was was 28 so now we have strict family planing in place and any more additions have to be able to complete a function that is not able to be completed by older siblings.
To all Modders for home shop work you do not need to have hardened steel for this job as I doubt if even after years of home use that there will be any significant wear.
Any addition to the family a photo or two will be welcome thanks Griff

Eric
   

Jonny:
Had a Dickson T2 with current M300 felt It was on the small side. Just one holder and didn't like the price considering how many I would need just to get by. Even quick off the mark s/h looking £40 to £80 ea rising. That said chalk and cheese compared to the 250/200 Series (BXA) which flex and are not repeatable having had 5.
Sold Dickson and holder and bought 5 250/201 and 202? holders, then bought 3 complete 250/200 toolposts just for the holders of any use, only got 19 approx. £400 need a lot more. Dickson costs would exceed £1k s/h.

Sounds like the machines were only used for one operation or task dependant upon cutter Arbalist.

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