Someone’s bound to know what this faceplate fits.

Someone’s bound to know what this faceplate fits.

This topic has 6 replies, 4 voices, and was last updated 8 October 2017 at 22:03 by ega.

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8 October 2017 at 13:01 #320508
Rik Shaw
Participant
@rikshaw
It's been lurking under my bench for years but curiosity has got the better of me. It's a shop made aluminium face plate 195mm diameter that would fit a lathe spindle with a 1.5" x 6 TPI thread. So what lathe/s would that be?

Rik
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8 October 2017 at 13:01 #18688
Rik Shaw
Participant
@rikshaw
8 October 2017 at 14:55 #320536
Rainbows
Participant
@rainbows
Same thread as a Keighley lifts / Denham / Milnes type lathe. Only the early ones though, Mk2 have a 1.75" thread.
8 October 2017 at 15:22 #320541
Ian Parkin
Participant
@ianparkin39383
Could be for a Harrison graduate wood turning lathe
8 October 2017 at 16:55 #320551
ega
Participant
@ega
Posted by Ian Parkin on 08/10/2017 15:22:51:

Could be for a Harrison graduate wood turning lathe

Yes, indeed. Harrisons offered 355 mm dia aluminium "faceplates" with left hand thread which were actually sanding discs for the outboard sanding attachment.
8 October 2017 at 17:21 #320556
Rik Shaw
Participant
@rikshaw
Just to clarify – this faceplate has a right hand thread.

Rik
8 October 2017 at 22:03 #320592
ega
Participant
@ega
Posted by Rik Shaw on 08/10/2017 17:21:19:

Just to clarify – this faceplate has a right hand thread.

Rik

By way of further clarification, both left and right hand threads on the Graduate also have a short plain register ie not threaded to shoulder. This arrangement has the interesting advantage that chucks can be made to fit both ends of the spindle by machining both left and right hand threads in the same backplate.
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