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#1
10-02-18, 01:24
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I had to make a support frame for the ball race to go in to the mill and it needs to be as accurate as I can get it. It appears to be acceptable to me. I have just welded the frame to the race as it is easily cut off after the grove is milled in.
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#2
10-02-18, 01:31
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I had a centre to work with and made a centre in my rotating table to align them both with and then checked it with a centre point on the mill before I started cutting. It was certainly close enough for me. I also had to make a support while cutting which is just a couple of bearings roughly supported just for this particular job and it works well.
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#3
10-02-18, 01:35
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A lot of coolant and quite a few passes by hand and the first one is done. I put some ball bearings on to get a count of the total required and I think I will end up with 220 which is the exact amount required so I'm happy with that. Another couple of days and they will be finished.
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#4
10-02-18, 01:36
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God you are amazing......
.... the only time I have seen work like this was at National Research Center where they had a horizontal lathe from WW 2 converted to CNC for naval turret rings.
How many ball bearing are needed???? Bob C.
__________________
Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada
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#5
10-02-18, 02:03
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Engineering genius
220 ball bearings Bob - and no surprise to all veiwing but exactly the original amount needed.
I dont have the superlatives in my vocabulary to do your work justice Colin. Suffice to say I am awestruck - this is important history being brought back to life by a very talented individual. And any of us mortals who have followed this thread will be experts on Vickers light tanks - from one end to the other!!! Again we have you to thank for that Colin 
__________________
Pax Vobiscum.......may you eat three meals a day & have regular bowel movements.
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#7
10-02-18, 05:10
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You da Man Colin
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#8
10-02-18, 06:07
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Thankyou for your comments.
I have completed the top ring as well thanks to my wife who came out to have a look and said " why don't you weld the top part on and just cut it off later seeing that you already have it centred  " I took her advice and did just that so I know I have a perfect match for the bottom. She's a smart cookie
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Amazing, truly amazing.
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