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19th Jul 2020, 07:35 PM
Thread: Mars Mercury lathe
by robjean- Replies
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Mars lathe spindle speeds/ bull gear lock arrangement
Hi again,
Just wondering if anyone has for a Mars Mercury lathe, a table showing spindle speeds for various pulley combinations, with back gears disengaged and engaged. From my observations the same... -
15th Jul 2020, 07:16 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
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- 6,555
Mars lathe change gears
Thanks for all your contributions. It looks like I have managed to find someone to make the Mars lathe change gears that I need,
Regards,
robjean -
14th Jul 2020, 07:57 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
- Views
- 6,555
Hi elanjacobs, Again many thanks for your help...
Hi elanjacobs,
Again many thanks for your help and advice. I now realise that I need the second 20 tooth tumbler gear to be able to reverse the direction of rotation of the gear train. I found a... -
14th Jul 2020, 01:52 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
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- 6,555
[QUOTE=elanjacobs;1971411]Sorry, I did see but...
[QUOTE=elanjacobs;1971411]Sorry, I did see but thought I'd check if we had a hob first.
You're both correct, 14DP 14.5° PA
Unfortunately we only have a 14DP 20° hob, our 14.5° range tops out... -
13th Jul 2020, 04:33 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
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- 6,555
Hi elanjacobs, Not sure I posted my reply...
Hi elanjacobs,
Not sure I posted my reply correctly, so here goes again! Have attached a scan of marked up photos of two gears for you to have a look at and see if you can make them. I believe... -
13th Jul 2020, 03:56 PM
Thread: Mars 5.5" lathe restoration
by robjean- Replies
- 30
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- 27,017
Hi Glen, I realise that it is several years...
Hi Glen,
I realise that it is several years since you made this post. But I have a Mars Mercury lathe with exactly the same screw cutting table for gear set up. Did you ever establish what... -
11th Jul 2020, 05:54 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
- Views
- 6,555
& Hi elenjacobs,Have attached scans of both...
&
Hi elenjacobs,Have attached scans of both gears with dimensions for you to have a look at. If you are able to make, let me know costs so I can reimburse. Many thanks,
robjean -
11th Jul 2020, 04:05 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
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- 6,555
Hi Brian, I am aware of this firm, but didn't...
Hi Brian,
I am aware of this firm, but didn't realise they had gears. will check. Many thanks
Rob -
10th Jul 2020, 06:49 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
- Views
- 6,555
Hi elanjacobs, Thanks for your offer if you’re...
Hi elanjacobs,
Thanks for your offer if you’re sure it is no trouble. Will get the dimensions of the two gears for you,
Regards,
bobjean -
10th Jul 2020, 02:40 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
- Views
- 6,555
Hi Ray, Many Thanks. Will check it out robjean
Hi Ray,
Many Thanks. Will check it out
robjean -
10th Jul 2020, 02:37 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
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- 6,555
Hi pipeclay, Thanks for your reply, but as...
Hi pipeclay,
Thanks for your reply, but as stated in my reply to caskwarrior I had hoped ( perhaps optimistically) that out there among forum members someone might have details of the quantity and... -
10th Jul 2020, 02:23 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
- Views
- 6,555
Hi caskwarrior, Thanks for your reply. Yes I...
Hi caskwarrior,
Thanks for your reply. Yes I have copies of Machinery’s Handbook, but at this stage don’t have a particular thread in mind. I first wanted to see if I could at least establish if... -
10th Jul 2020, 10:54 AM
Thread: New member from Canberra
by robjean- Replies
- 4
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- 2,013
New member from Canberra
Hi All,
My interest is in the restoration and maintenance of vintage cars. I am a retired mechanical engineer, and acquired a Mars Mercury lathe several years ago, which has been used for turning... -
9th Jul 2020, 10:54 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 0
- Views
- 2,027
Mars Mercury lathe
I acquired a Mars Mercury lathe several years ago and have only used it for turning. Thought I should get the screw cutting feature working, but firstly am not sure what a full gear set consists of....
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8th Jul 2020, 06:26 PM
Thread: Mars Mercury lathe
by robjean- Replies
- 31
- Views
- 6,555
Mars Mercury lathe
I have had this lathe for several years and just used it for turning. Would like to see if I can restore it for thread cutting. Unfortunately a couple of the gears have stripped teeth, and I have no...