Any info about what machine this slotting head is for?

Any info about what machine this slotting head is for?

This topic has 8 replies, 6 voices, and was last updated 20 October 2022 at 22:36 by Charlie Simpson.

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19 October 2022 at 21:13 #617911
Charlie Simpson
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@charliesimpson67529
Hi,

First post.

I have recently acquired a manual slotting head that I am refurbishing (see attached) which has a mounting bracket with a 76mm bore and a brass locking clamp, does anybody know what machine this was meant to be used on?

Imgur Gallery

Many thanks,
Charlie
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19 October 2022 at 21:13 #28883
Charlie Simpson
Participant
@charliesimpson67529
20 October 2022 at 09:10 #617938
Chris Evans 6
Participant
@chrisevans6
Looks very much like a shop/home build. certainly not a commercial built job.
20 October 2022 at 09:17 #617940
Michael Gilligan
Participant
@michaelgilligan61133
I agree with Chris … so the answer is:

Any machine that you can reasonably fit it on.

I’m sure the maker had a specific machine in mind; but we could be guessing forever.

MichaelG.
20 October 2022 at 09:30 #617941
Hopper
Participant
@hopper
It could even be made to clamp on the overarm of a small horizontal mill, of which there would be many to choose from. Looks like it could make a handy addition to the cross slide of a lathe so you could hold the job in the lathe chuck, index it via the changegears and then cut your slots, splines, gear teeth, graduations or whatever with the device.
20 October 2022 at 11:38 #617961
Daggers
Participant
@daggers
I think Hopper has likely guessed the correct use.

Assuming the ring of cap head bolts shown on the collar attach to the main slotting head plate. This means that when the collar mounts onto a shaft which is horizontal the action of the slotting head would be vertical.

So a likely candidate would be a horizontal milling machine with a 3” diameter bar.
20 October 2022 at 14:31 #617985
Nick Clarke 3
Participant
@nickclarke3
The size is correct for a Drummond Round Bed (model A), but as has been suggested probably home made.

If I had more time I might be tempted to look through Edgar T Westbury's articles in ME from the start of the second World War on capstan and turret lathes, but tempus fugit I'm afraid!

Edited By Nick Clarke 3 on 20/10/2022 14:43:39
20 October 2022 at 14:31 #617986
Nick Clarke 3
Participant
@nickclarke3
Duplicate post

Edited By Nick Clarke 3 on 20/10/2022 14:43:56
20 October 2022 at 22:36 #618055
Charlie Simpson
Participant
@charliesimpson67529
Thank you all for replying and answering my question it has been very helpful.

Charlie
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