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Thread: Unknown Milling Machine
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18th Oct 2021, 01:06 PM #1Intermediate Member
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Unknown Milling Machine
Hi Everyone
I am hoping someone on here can help me identify this milling machine. The manufacturer was probably located on the door which is missing. I have scoured the internet without much luck.
It looks like a Brown and Sharpe but the overarm support locking bolts run vertical. Might have been a Cincinnati but the storage compartment is on the opposite side.
I have attached a few photos and can post some more if required. The noticable things are the distinguishable lever on the table, vertical bolts for overarm support, storage on right hand side, saddle post mount has no bracing towards the main column, there are two destinguishable mounting holes on either side of the base.
I really hope someone can help me as I dont know much about horizontal mills and want to restore this machine.
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19th Oct 2021, 01:10 PM #2Most Valued Member
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Are the fasteners unc/unf or whitworth?
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20th Oct 2021, 09:43 AM #3Intermediate Member
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Hi Caskwarrior
I measured a few fasteners and I believe they are UNC. One was 5/16 18TPI and the other is 7/16 14TPI.
I also measured the X and Y leadscrews. Square thread. see attached.
I hope that helps.
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20th Oct 2021, 07:00 PM #4Golden Member
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One was 5/16 18TPI and the other is 7/16 14TPI.
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20th Oct 2021, 07:32 PM #5Intermediate Member
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Hi Zsteve
I checked with a proper pitch gauge. The threads looked sharp and at 60 degrees. There was no deviation from the pitch gauge. I did also check a bsw thread to satisfy my curiosity and clearly noticed the difference between the two.
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20th Oct 2021, 11:17 PM #6Most Valued Member
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I really looks like a diamond to me but there's some subtle differences. They do have the overarm pinch bolts facing up like that.
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21st Oct 2021, 12:13 AM #7China
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May be a version of this looks similar
Fox Machine Co. - History | VintageMachinery.org
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21st Oct 2021, 12:06 PM #8Intermediate Member
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Definitely not a Diamond. Too many differences.
It looks like a Fox but the base is different and my machine has a backgear/secondry shaft located on the left hand side. Fox does not have this. It looks very close though.
I saw a Burke Mill that also looked close but had differences. This is getting difficult. Thanks for your help guys.
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22nd Oct 2021, 01:02 PM #9Intermediate Member
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Would it be possible that this machine was made here in Australia? Did we have any manufacturers for these types of milling machines?
Also what vintage do you think this machine is?
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22nd Oct 2021, 03:20 PM #10Golden Member
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I did a google image search and came up with Pratt & Whitney 3C. Have a google and look at the images. I see a lot of similarities in design.
Try this link Pratt & Whitney Precision Bench Millers and see what you think.
Steve
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23rd Oct 2021, 11:16 AM #11Intermediate Member
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They do look similar but my one is a floor standing unit. The benchtop model does not have the backgear shaft off to one side. I had a look on Vintagemachinery.org but nothing definitive. They might have had floor models between the early 1900s and 1920s but I cant locate any literature. Might post something on there. I will keep looking.
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23rd Oct 2021, 09:50 PM #12Intermediate Member
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It has the look of a Denbigh to me. The knee castings seem to match. The closest looking on Lathes.uk would be the "New B".
It can be hard to pin down some of these older machines are as the manufacturers were apt to modify the castings, especially during the transition from line shafts to electric drives. Some machines can often have attachments or equipment from other models too. The catalog illustrations were often slightly different to the actual machines as well.
Dave.
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24th Oct 2021, 10:10 AM #13Diamond Member
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24th Oct 2021, 02:26 PM #14Intermediate Member
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I had a good look around and these machines look very close but I dont think mine is a Denbigh. My back gear shaft is on the opposite side, overarm support is curved, base is different. It looks very close though.
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17th Nov 2021, 01:08 PM #15Intermediate Member
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Still no luck guys. I have tried US sites but still no luck.
Could anyone tell me if this machine might have been made her in Australia. Did any companies manufacture mills early last century?
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