Jig Borer

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Jig Borer

This topic has 27 replies, 9 voices, and was last updated 11 September 2018 at 09:13 by Michael Gilligan.

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20 April 2018 at 05:30 #350799
Raymond Sanderson 2
Participant
@raymondsanderson2
Fellow i know picked this beauty up during the week trying to locate more info on it. If anyone has any photos, links PDF's etc could you please let me know.

The Electrakleen transfer indicates the mill was made in England, it has a 1/4 HP BTH motor, wiki suggests that BTH branded motors were last produced in 1960.
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20 April 2018 at 05:30 #13198
Raymond Sanderson 2
Participant
@raymondsanderson2
20 April 2018 at 06:15 #350801
Raymond Sanderson 2
Participant
@raymondsanderson2
Seems it might be a knock off of either e Sigma Jones or

http://www.lathes.co.uk/bca/
20 April 2018 at 07:00 #350804
Michael Gilligan
Participant
@michaelgilligan61133
Nice find, Raymond

It looks like it has been used [adapted] for heavier work than originally intended, but yes; it's basically in the style of the early version of the BCA.

I'm also surprised to see six slots on the table.

MichaelG.

.

P.S. Not too sure about your analysis of that ELECTRAKEEN transfer though.

http://lmgtfy.com/?q=khyber+pass%2C+newmarket%2C+auckland

Edited By Michael Gilligan on 20/04/2018 07:09:53

Edited By Michael Gilligan on 20/04/2018 07:14:06
20 April 2018 at 07:07 #350806
Michael Gilligan
Participant
@michaelgilligan61133
< double post deleted >

Edited By Michael Gilligan on 20/04/2018 07:09:22
20 April 2018 at 08:00 #350809
Bob Stevenson
Participant
@bobstevenson13909
http://www.lathes.co.uk/bca/index.html

It's not a "knock off", these machines were part of the war effort during WWII and were 'duplicated' from German machines by order of UK Gov……have some improvements over the German originals

Edited By Bob Stevenson on 20/04/2018 08:04:37
20 April 2018 at 13:48 #350856
Ian S C
Participant
@iansc
Going by the Transfer, I would say it was sold from a shop on Khyber Pass Rd Auckland New Zealand. I'v looked up the NZ companies site, and found that Electrokeen 1960 Ltd 127 Queens Drive Lower Hut closed 15/7/1991.

Ian S C

Edited By Ian S C on 20/04/2018 14:05:13
20 April 2018 at 22:51 #350929
Raymond Sanderson 2
Participant
@raymondsanderson2
Thanks Michael & Ian I am seeing Bob the owner today so will pass that on.
21 April 2018 at 00:35 #350940
Mark Rand
Participant
@markrand96270
It's identical to my Sigma Jones/Exel model 0/BCA mk11, wartime clone apart from the modified drive (not a bad idea, by the looks of it), shelves and the six slot rather than three slot table.

Mine's got 7/16BSW feed screws for some reason. I don't know if a previous owner wanted 14tpi screws or if it was an ignorant repair, but I haven't got around to rebuilding or using it since I inherited it from the old man…
21 April 2018 at 08:22 #350951
Michael Gilligan
Participant
@michaelgilligan61133
It's that six-slot table that really surprises me.

If it's 'factory original' then I think it will be the identifying feature.

MichaelG.
21 April 2018 at 08:55 #350952
Mike Poole
Participant
@mikepoole82104
A nice machine but I think the electrics could do with some attention, twin and earth and exposed terminals are far from best practice for machine wiring.

Mike
21 April 2018 at 11:12 #350973
Ian S C
Participant
@iansc
The machine was unlikely to be made in NZ, but Electrakeen (not Electrakleen) seems to be the retailer who sold it when they were in Auckland NZ.

Ian S C
21 April 2018 at 13:03 #350988
MW
Participant
@mw27036
could make some useful things with that.
22 April 2018 at 05:00 #351059
Raymond Sanderson 2
Participant
@raymondsanderson2
Posted by Mark Rand on 21/04/2018 00:35:49:

It's identical to my Sigma Jones/Exel model 0/BCA mk11, wartime clone apart from the modified drive (not a bad idea, by the looks of it), shelves and the six slot rather than three slot table.

Mine's got 7/16BSW feed screws for some reason. I don't know if a previous owner wanted 14tpi screws or if it was an ignorant repair, but I haven't got around to rebuilding or using it since I inherited it from the old man…

Mark do you have any manual etc?

Yep 6 slot table.
22 April 2018 at 05:01 #351060
Raymond Sanderson 2
Participant
@raymondsanderson2
Posted by Michael Gilligan on 21/04/2018 08:22:29:

It's that six-slot table that really surprises me.

If it's 'factory original' then I think it will be the identifying feature.

MichaelG.

Yes Michael it is marked with the usual Sigma Jones 357? one the cross slide.
22 April 2018 at 05:08 #351061
Raymond Sanderson 2
Participant
@raymondsanderson2
Posted by Mike Poole on 21/04/2018 08:55:23:

A nice machine but I think the electrics could do with some attention, twin and earth and exposed terminals are far from best practice for machine wiring.

Mike

poor Bob had not had time to check it all out was assured the thing/motor worked he turned it on but it didn't run, not ceased tho. He'll check it out when he gets back next week. He's had a busy few days with a museum he does time at.
We both spotted the wiring when we were checking it over.
Main shaft bearings need replacement notchy as blazes, every thing is tight a good clean and some TCL might see it become a very nice unit. The accessories blew me away, cutters of all sorts even small gear cutters, index plates and dividing had, the cross slide block is actually a tilting table beautifully home made marked in degree's. Many fly cutter and some neat dual arm hold downs.
22 April 2018 at 07:57 #351074
Michael Gilligan
Participant
@michaelgilligan61133
Posted by Raymond Sanderson 2 on 22/04/2018 05:01:53:

Posted by Michael Gilligan on 21/04/2018 08:22:29:

It's that six-slot table that really surprises me.

If it's 'factory original' then I think it will be the identifying feature.

MichaelG.

Yes Michael it is marked with the usual Sigma Jones 357? one the cross slide.

.

Good to hear that the cross slide is marked Sigma Jones

I fear, however, that my comment yesterday was not sufficiently explicit:

When I wrote "If it's 'factory original' …"

What I should perhaps have written was

"If those six slots are all 'factory original …"

The logic being that [although it would be a very useful feature] I have never seen one of these machines with six slots in the rotary table.

Your friend's machine has evidently been 'improved' so I was hoping that you could confirm whether [or not] three of the slots were customisation.

MichaelG.

Edited By Michael Gilligan on 22/04/2018 07:59:22
9 May 2018 at 06:46 #353334
Raymond Sanderson 2
Participant
@raymondsanderson2
Michael the Sigma Jones rotary table is numbered different to the rest I've seen and appears to be factory milled.

Now my machine s Bob has decided he has no use for it so i am buying it off him. Minus the tilting table which appears home made but to standards very high.
We found motor doesn't arch up so bob is checking that out and the notchy bearings on main shaft. Hope there is no serious damage to the shaft, bearings can be replaced.

I'd like to do a restore on it, going to need to locate the sizes of the original drive belt pulleys and the tension bracket which I will have to get one cast up. I bout I'd ever find one.
9 May 2018 at 07:15 #353336
Michael Gilligan
Participant
@michaelgilligan61133
Posted by Raymond Sanderson 2 on 09/05/2018 06:46:11:

Michael the Sigma Jones rotary table is numbered different to the rest I've seen and appears to be factory milled.

Now my machine s Bob has decided he has no use for it so i am buying it off him. …

.

Well played, Raymond

I'm sure you have the makings of a great machine there.

MichaelG.
9 May 2018 at 22:46 #353425
Mark Rand
Participant
@markrand96270
Posted by Raymond Sanderson 2 on 22/04/2018 05:00:31:

Mark do you have any manual etc?

I've only got some 'recent' advertising stuff that relates to the BCA MkIII. But Tony's website has some more information, plus manuals.
3 August 2018 at 23:10 #365429
Raymond Sanderson 2
Participant
@raymondsanderson2
Posted by Mark Rand on 09/05/2018 22:46:48:

Posted by Raymond Sanderson 2 on 22/04/2018 05:00:31:

Mark do you have any manual etc?

I've only got some 'recent' advertising stuff that relates to the BCA MkIII. But Tony's website has some more information, plus manuals.

Mark sorry only just saw this reply thanks I've seen the links on Tony's site. Did you buy the manual's etc?

Ray
3 August 2018 at 23:19 #365431
Raymond Sanderson 2
Participant
@raymondsanderson2
As of Friday the Jig Borer is in it new home rushed out to buy a new cabinet trolley earlier in the week that came with drama as they didn't have at the firsts store what I was after other than one which had parts missing. So opted for one with doors not draws. On opening that up foud the carton had been dropped and to many panels damaged so it went back. Sourced another store and found the one with draws, all bits n pieces (ow you got the song going through your head too) are stored handy to the machine.

The additional tools and tooling which can also be used on the ML7 much of it needs a good clean up and surface rust removed.
4 August 2018 at 12:09 #365499
Neil Wyatt
Moderator
@neilwyatt
Nice machine, but that's some serious chuck abuse!
4 August 2018 at 13:40 #365508
Michael Gilligan
Participant
@michaelgilligan61133
Posted by Neil Wyatt on 04/08/2018 12:09:17:

Nice machine, but that's some serious chuck abuse!

.

Kinda goes with the innovative modification to the main spindle arrangement.

… looks like all the important bits are there though; so hopefully, Raymond can restore it to something like its former glory.

MichaelG.
15 August 2018 at 06:19 #367427
Raymond Sanderson 2
Participant
@raymondsanderson2
Posted by Michael Gilligan on 04/08/2018 13:40:31:

Posted by Neil Wyatt on 04/08/2018 12:09:17:

Nice machine, but that's some serious chuck abuse!

.

Kinda goes with the innovative modification to the main spindle arrangement.

… looks like all the important bits are there though; so hopefully, Raymond can restore it to something like its former glory.

MichaelG.

Thanks Michael. I hope to and with some assistance from an neighbour who's ex-machinist from Port Kembla who's eyes opened wide when I showed him it. Then when i asked if he'd be prepared to assist in it's restoration they opened even wider I took it as a yes LOL.

I had a scar when I was running it as smoke emitted from the motor seems it was over oiled as it has two oil cups 2nd start a few days latter no smoke thank goodness.

It now sits out of the way where temptation isn't so strong to make a start, I have a number of woodworking commission jobs to complete first as well as a few "Get er Done" things.

I will have to contact Tony from Lathe.co.uk as I can not find any other material manuals etc on the machines.

Ray
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