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Thread: Power Surface Grinder
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2nd Nov 2016, 05:52 PM #16
So this is one of the grub screws that bisect a join between two of the main castings? What is their function?…..Live a Quiet Life & Work with your Hands
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2nd Nov 2016, 06:45 PM #17Senior Member
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To keep the casting outer surfaces in planar alignment prior to bolting down?
I have found a few of these grub screws in split threads on the Nuttall lathe and an old drill that I'm restoring, but they have been used to hold shafts into housings or bushes or pulleys onto shafts.
Whereabouts on the machine are they used?
Graham.
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2nd Nov 2016, 06:50 PM #18
There is four of them on the machine from memory and they are in opposing pairs, ie same position on opposite side of machine.
The base and front of the pillar is one piece and the rear taller pillar sits on the back of the base and butts up to the front. There is one on each side where the two halves of the pillar join. I wasn't the one to remove the other two so I have to find where they go.
Sent from my iPhone using Tapatalk…..Live a Quiet Life & Work with your Hands
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2nd Nov 2016, 07:19 PM #19Senior Member
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Are you certain that there is thread on both parts, and that they are not intended to bring the mating parts together like a taperlock hub works? Just a thought.
They do look like registration screws to me though. If you've ever had to align parts close enough to get one of these suckers back in the thread then you'll appreciate how accurately they can be used to align parts.
Graham.
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2nd Nov 2016, 07:55 PM #20
That would have been under the reverse Lend-Lease scheme. The Yanks supplied us with many things during WW2 and in return we supplied their forces in the SW Pacific with just about everything, vehicles , radios, uniforms, food and more. After the war ended, both the Aust. and US Govt. had to work out who owed who and what to do with the surplus equipment.
More reading here
Amazing USA/Australia Treaty 1946 - MLU FORUM
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11th Nov 2016, 11:05 AM #21
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