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4th Jun 2023, 08:02 PM
Thread: A thread about oil. With a question.
by Tendor- Replies
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Headstock bearing lubrication system - AR9
A question please for everyone about the intended function of the AR9 headstock roller bearing lubrication system.
The diagram below is a cross section of the outboard bearing of a 260, but the... -
24th Feb 2020, 03:14 PM
Thread: Gear cutters - DIY Metric Conversion
by Tendor- Replies
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In relation to the 63 tooth gear for this...
In relation to the 63 tooth gear for this purpose, note that 63=3 x 21.
If the appropriate additional gears are available to give the 3:1 ratio, a 21 tooth gear will also work in place of the 63.
... -
2nd Oct 2019, 05:12 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
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Thanks for the good information Bob. Appreciated....
Thanks for the good information Bob. Appreciated.
If anyone has a spare Hercus T41 handle, it looks like it too would suit. -
1st Oct 2019, 12:20 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
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Hercus Shaper 270 Vise Handle
If anyone has a 'surplus to requirements' vise handle for a Hercus 270 shaper vise (I believe the Douglas is the same), I'd be happy to hear from you.
Attached is a photo of one and a scan from the... -
9th Mar 2019, 08:53 PM
Thread: hercus lathe serial numbers
by Tendor- Replies
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Ar13669
I have owned AR13669 since 2001. Ex university. I have the inspection certificate dated 12 Aug 1971, inspected by John Kaye.
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2nd Jun 2018, 12:55 PM
Thread: $50 3" swivel milling vice review
by Tendor- Replies
- 8
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After Hercus took over the shaper from Douglas...
After Hercus took over the shaper from Douglas and it became the Hercus 270 shaper, the shaper vise remained the same, or at least almost identical.
So, that could be a Hercus 270 shaper vise. That... -
13th Oct 2016, 09:57 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
- 17
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Thanks Bob! Great info and photos that answer my...
Thanks Bob! Great info and photos that answer my questions. I appreciate the time you have spent exploring for me.
I'll now ponder what, if anything, to do about the "non-locking" lock.
I'll also... -
13th Oct 2016, 12:36 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
- 17
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Hi Bob, Many thanks for taking the time to do...
Hi Bob,
Many thanks for taking the time to do the tests and to take the photos. Very interesting result.
May I ask a few additional questions?
On your Douglas, near the top of the gib, I can... -
5th Oct 2016, 12:34 AM
Thread: Hercus 270 Shaper
by Tendor- Replies
- 17
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Thanks for doing those tests Michael. It confirms...
Thanks for doing those tests Michael. It confirms that your lock is also not very firm. And I don't really see how they can be with this design.
It will be interesting to see what the Douglas owners... -
4th Oct 2016, 02:50 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
- 17
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Hello folks. As the Hercus 270 shaper has come...
Hello folks.
As the Hercus 270 shaper has come up on this forum, I'm hoping that you good people may be able to help me out?
I don't understand how the vertical slide lock is supposed to work. ... -
19th Sep 2016, 08:07 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
- 17
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Thanks Michael, yes that would be of interest to...
Thanks Michael, yes that would be of interest to me too. This link has a few additional details.
//metalworkforums.com/f189/t178268-hercus-douglas-shaper-manuals?
Rod. -
19th Sep 2016, 07:16 PM
Thread: Hercus 270 Shaper
by Tendor- Replies
- 17
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Very nice Localele. I too have a 270 but not...
Very nice Localele. I too have a 270 but not being in as good shape as yours, is currently being overhauled. Mine has serial number 4Q-2929. Here's a picture of progress to date.
364266 -
22nd Jun 2015, 09:10 PM
Thread: Dynamic v static balancing
by Tendor- Replies
- 9
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- 5,031
Ball Balancers or Liquid Ring Balancers
Hi Michael,
In order for ball balancers to function, the structure supporting the rotating shaft must be soft-mounted so that the structure's natural vibration frequency (at right angles to the... -
21st Feb 2015, 08:24 PM
Thread: Sheraton 4.5" Backgear?
by Tendor- Replies
- 2
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- 2,186
Sheraton back gear
Hi Mike,
I did not attempt to measure the PA but can do so.
I'm happy to explore a swap if you're sure it's a Sheraton. I guess we had better explore that off-line?
I'll attempt to contact you... -
21st Feb 2015, 08:08 PM
Thread: Sheraton 4.5" Backgear?
by Tendor- Replies
- 2
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- 2,186
Sheraton 4.5" Backgear?
Hi,
I have acquired a back gear that I believe may be from a Sheraton 4.5" lathe.
It is not a Hercus (wrong tooth count and oil hole in wrong place).
I have no use for it, but before offering it... -
28th Jan 2015, 07:15 PM
Thread: 3phase on single phase plus a capacitor ?
by Tendor- Replies
- 22
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- 9,056
I run my 1.5 hp three-phase mill motor on single...
I run my 1.5 hp three-phase mill motor on single phase by the capacitor method.
The 415V motor was reconnected as delta (was Y), 230V on two 'corners' with capacitor between one line and third... -
25th Jan 2014, 08:29 PM
Thread: Hercus/Douglas Shaper manuals?
by Tendor- Replies
- 9
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Thanks Bruce. So we know of three or four. ...
Thanks Bruce. So we know of three or four.
Rod. -
23rd Jan 2014, 02:38 PM
Thread: Hercus/Douglas Shaper manuals?
by Tendor- Replies
- 9
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- 10,393
Thanks to Bob
Thanks Bob for supplying the Hercus 270 manuals to me also.
I have aquired a 270 which is currently being overhauled. I'd be interested to know how many 270's are out there.
Rod.