Has anybody come across one of these

This topic has 20 replies, 8 voices, and was last updated 2 December 2017 at 14:22 by Neil Wyatt.

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1 December 2017 at 13:36 #330056
Paul White 3
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@paulwhite3
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1 December 2017 at 13:36 #18759
Paul White 3
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@paulwhite3
1 December 2017 at 13:43 #330057
Paul White 3
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@paulwhite3
This verb age should have been with the photo above.

The name of this item describes the tool. its robustness indicates an industrial purpose. The photo shows my use of it to reduce the size of hexagon heads.

Any info would be most welcome.

Thanks. Paul.
1 December 2017 at 13:52 #330059
Alan Johnson 7
Participant
@alanjohnson7
I don't know what it is, but it is certainly a nice one!

It may not help, but Erma are / where a manufacturer of firearms (rifles) in the 60's, and maybe later.
1 December 2017 at 14:09 #330063
Paul White 3
Participant
@paulwhite3
Alan, thanks for the reply. The item is a horizontal mill for second operations, made up of a very solid base with a powered vertical slide and a 2 way table.

Do you know if the Erma you mentioned were at Wembley?

Paul.
1 December 2017 at 14:25 #330073
Alan Johnson 7
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@alanjohnson7
So that is what it is! Erma rifles is extracted from the "not so good anymore" memory!
1 December 2017 at 14:35 #330075
Paul White 3
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@paulwhite3
Thanks Alan, I have one of those!

Paul.
1 December 2017 at 14:51 #330077
Alan Johnson 7
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@alanjohnson7
"…. I have one of those"

Do you mean an Erma rifle, or not so good memory!
1 December 2017 at 14:56 #330078
Paul White 3
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@paulwhite3
The latter { I think).

paul
1 December 2017 at 15:00 #330080
David Standing 1
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@davidstanding1
I don't believe there is any connection with Erma Werke the firearms company, as they were German, and the background to ERMA the machine tool company is a Jewish family!

I wouldn't mind betting (see link) that the ERMA name came from an acronym of ERna and Erich MArx, Theo Marx's parents, that started the ERMA company.

**LINK**

Edited By David Standing 1 on 01/12/2017 15:01:58
1 December 2017 at 15:13 #330082
Paul White 3
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@paulwhite3
David, thank you, a very interesting LINK. You could well be correct in the derivation of the name.

paul.
1 December 2017 at 15:20 #330084
David Standing 1
Participant
@davidstanding1
The link puts some very interesting history behind ERMA
1 December 2017 at 17:12 #330098
steamdave
Participant
@steamdave
I bet Tony Griffiths at lathes.co.uk would be very interested in your tool – and may well be able to help with more details.

Dave
The Emerald Isle

Edited By steamdave on 01/12/2017 17:33:32
1 December 2017 at 17:34 #330102
Bazyle
Participant
@bazyle
I think there was one of these on ebay recently or was it this one that you have now painted? Probably a screw head slotter and other small repetitive job machine.
1 December 2017 at 17:53 #330104
SillyOldDuffer
Moderator
@sillyoldduffer
SEC-OP-MIL – could that be short for 'Second Operation Mill'?

Second operation lathes had all the bells and whistles removed. They were used to keep costs down in production work to avoid swapping tools, chucks etc on the main machine, perhaps a fully populated capstan or turret lathe, that did most of the work. Perhaps the same idea was applied to milling machines, this one being a horizontal mill with a single axis.

Dave
1 December 2017 at 17:55 #330105
David Standing 1
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@davidstanding1
Posted by SillyOldDuffer on 01/12/2017 17:53:19:

SEC-OP-MIL – could that be short for 'Second Operation Mill'?

I'd say there's a strong clue in post #4
1 December 2017 at 18:17 #330107
SillyOldDuffer
Moderator
@sillyoldduffer
Posted by David Standing 1 on 01/12/2017 17:55:57:

Posted by SillyOldDuffer on 01/12/2017 17:53:19:

SEC-OP-MIL – could that be short for 'Second Operation Mill'?

I'd say there's a strong clue in post #4

Now you tell me! How come I didn't notice it? I have read the whole thread, honest.
1 December 2017 at 18:51 #330111
Alan Vos
Participant
@alanvos39612
Posted by Paul White 3 on 01/12/2017 13:43:58:

The photo shows my use of it to reduce the size of hexagon heads.

I can see what looks like a modified keyed chuck with a small indexing plate at the back. There is also a very dinky swarf bucket. But I can't see a hexagon head. Am I missing something?
1 December 2017 at 18:55 #330112
David Standing 1
Participant
@davidstanding1
Posted by SillyOldDuffer on 01/12/2017 18:17:38:

Posted by David Standing 1 on 01/12/2017 17:55:57:

Posted by SillyOldDuffer on 01/12/2017 17:53:19:

SEC-OP-MIL – could that be short for 'Second Operation Mill'?

I'd say there's a strong clue in post #4

Now you tell me! How come I didn't notice it? I have read the whole thread, honest.
2 December 2017 at 09:04 #330154
Paul White 3
Participant
@paulwhite3
Bazyle, not a recent acquisition, I have had it for some 20 years.

Alan, the vice ,indexing chuck and swarf tray are all items I made to use the tool. The mandrel has 2 cutters with a spacer to suite whatever across flat dimension I want to produce. In the photo. there is nothing shown in the chuck. It can of course be used with end mills.

Thanks for the responses.

Paul

Edited By Paul White 3 on 02/12/2017 09:07:31
2 December 2017 at 14:22 #330172
Neil Wyatt
Moderator
@neilwyatt
Posted by SillyOldDuffer on 01/12/2017 18:17:38:

Posted by David Standing 1 on 01/12/2017 17:55:57:

Posted by SillyOldDuffer on 01/12/2017 17:53:19:

SEC-OP-MIL – could that be short for 'Second Operation Mill'?

I'd say there's a strong clue in post #4

Now you tell me! How come I didn't notice it? I have read the whole thread, honest.

I thought post #2 gave the game away: "The name of this item describes the tool."
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