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Another homemade milling machine
shipto:
No the slides are all cast iron so will be bolted onto the steel
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sparky961:
Ah, yes you did mention that above. My apologies.
For measuring flatness/parallelism, the best would be to set it up on a large surface plate, but you may not have access to that.
Can you set up an indicator to run on one side to check the alignment to the other? If it isn't aligned, then you're probably going to need shim stock and tapping things around with a small plastic hammer to get it aligned. Once you get it where you want it, you should drill for dowel pins (tapered, usually) to enable disassembly/reassembly and to make sure they stay where you put them.
Or, using a smaller surface plate (or other surface flat enough by your own standards) you can print it and scrape it flat.
There are a few ideas here, but I'm just kinda throwing them out there because I can't quite visualize exactly how you need to align things.
shipto:
Parralel between the head slides and the knee slides is my biggest concern if flatness became a issue I could sort that by skimming it as I did with the mounting points as above.
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shipto:
Ok I think I have it I am going to hold off doing anything with knee slides and get head slide finished and lapped in. Then once that's running nicely I can clock against the side of the upright which should get me straight enough. I can then use the top slide to set up the knee.
What could go wrong :)
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shipto:
Might be jumping the gun but my lovely wife brought me the collet set for it.
I actually want the one with a 80mm chuck but they had sold out of those so got me the 100mm for the same price.
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