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1st Feb 2023, 08:54 PM #1
Drummond Model A, Round Bed Lathe
I recently posted asking for help with a small part that needed a lathe to make.
A local forum member generously helped me out and turned the part for me. The next day I managed to be the first to put my hand up for a 1910 Drummond Model A Round bed lathe that was offered on the forum.
AE8B6D5B-59BE-4310-AFF8-A7300EE701FE.jpg579CA3F6-667C-4A7A-9225-EB5815DF02EF.jpg
My first metal working lathe.
I picked it up on Saturday and spent a good part of Saturday afternoon and most of Sunday stripping it down.
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All the bits and the bed and lead screw and greasier bits in the bucket.
20230128_145122.jpg
Here's the serial number which puts it between 1908 and 1912.
It's in pretty good nick but there are a couple of problems.
The biggest one is a break in the cast.
The cross slide clamp on the saddle has broken and been poorly repaired.
It was held in place by the paint.
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I'll have to clean it up and then find someone who can weld or braze cast iron.
The second problem is that the quill from the tail stock has been lost/broken and replaced with a fairly poor example. The chuck is brazed into the end of the quill.
20230201_203559.jpg
I will have a go at turning up a new one but it needs a MT1 in one end which will be well outside my capabilities.
Thats a problem for another day. The rest of it is in great condition.
I grabbed a small VFD from work today so the addition of a small 3 phase motor will sort out the power requirements.
To be continued.
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1st Feb 2023, 09:07 PM #2
I almost forgot.
The lathe didn't have any change gears with it. I didn't really care as it will work fine without them but I did a search on the forum for change gears and I found a post from 4 years ago.
A forum member had a set of change gears that he had aquired and didn't know what they were off.
They looked like early Drummond gears to me. I thought it was worth a shot so I sent him a PM.
IMAG2321[1].jpgchange gear 30.jpg
These are, hopefully..Pete?, on the way to me now.
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1st Feb 2023, 09:20 PM #3Senior Member
- Join Date
- Oct 2010
- Location
- NSW
- Posts
- 177
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2nd Feb 2023, 07:02 AM #4
Once its up and running you can come and play Picko
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2nd Feb 2023, 07:46 PM #5
Hmm
very speccyregards
Nick
veni, vidi, tornavi
Without wood it's just ...
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3rd Feb 2023, 07:34 AM #6
Speccy indeed. A bit of work to do though. Dropping the saddle off to the welder this afternoon.
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4th Feb 2023, 11:21 AM #7Golden Member
- Join Date
- Aug 2015
- Location
- Melbourne, Australia
- Posts
- 843
Well done. Nice little unit. I sure wish I'd got my hands on those change gears though!! Crikey.
A few months ago, I found this on the footpath (yes, it was going to picked up as household waste). From the serial number, also about 1912 I'd say.
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So, just to encourage you along in your project, here are some pics of it after a recent strip and clean up. I bought correct cutters so I could remake the missing gears (DP14, if I recall). The spindle is wobbly-as worn and the plain bearings also ovalled - so, they'll need to be redone. I'v got no motor mount, so, need to make that assembly as well.
PXL_20221101_040158595.jpgPXL_20221101_040209196.jpg
Oh, I did re-machine the feet level to give myself the best starting chance of being able to rebore the bearings *somewhere* near on-axis!
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So, looks like we're on the same path! "Good hunting" Sir. Let me know if I can help in any way (except for CI brazing. )
Greg.
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4th Feb 2023, 03:40 PM #8Senior Member
- Join Date
- Oct 2010
- Location
- NSW
- Posts
- 177
Nice work so far Greg. That's a nice looking little machine.
Some people have all the luck, the only thing that gets left on the footpath around here is dog sh#*!
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4th Feb 2023, 03:58 PM #9
What a great find. I will probably send you a PM for some dimensions when I have to remake stuff. Like the tailstock quill and the change gear axles/hubs/bolts?? whatever they are called.
Looking really good. I should be able to do a bit of work on mine tomorrow.
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6th Feb 2023, 11:47 AM #10Golden Member
- Join Date
- Aug 2015
- Location
- Melbourne, Australia
- Posts
- 843
Sure thing - feel free. I'll likely do the same to you re some dimensions of the change wheels. Not sure if you realise, but, the earlier models had different sizes (teeth counts) to the later models. Not sure if other dimensions changed, but, something to take into account.
Not sure if you have seen this: https://au.blurb.com/books/10205185-...a-type-4-lathe. Click 'preview' and you can actually read the entire thing. It has some dimensions, bolt types, and the change gears listed. Also, it has a the threading changewheel chart for those early gears (and also the later ones). Both imperial and metric. Pretty handy.
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6th Feb 2023, 01:56 PM #11I break stuff...
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- Aug 2010
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- Toorloo Arm, VIC
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- 39
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- 1,270
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6th Feb 2023, 05:14 PM #12
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7th Feb 2023, 10:51 PM #13Golden Member
- Join Date
- Apr 2018
- Location
- Drouin Vic
- Posts
- 633
I've only just seen this thread, I trust those gears have reached you by now. What a hoot to have a century-plus-old lathe to mess with, hope it gives you much pleasure.
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8th Feb 2023, 07:31 AM #14
Thanks Pete, haven't seen them yet but the mail service has been pretty slow lately.
(posting this, of course, means that they will be sitting at my front door when I get home )
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8th Feb 2023, 09:39 AM #15Golden Member
- Join Date
- Apr 2018
- Location
- Drouin Vic
- Posts
- 633
Posted on Jan 27, last Friday week. Thought you would have had it by now.
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