MadModder
Gallery, Projects and General => How do I?? => Topic started by: Mike K on April 06, 2021, 09:45:05 PM
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Or, rather, where? Do they still make 'em? Probably ridiculous to make oneself?
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Mike
I found one in a second-hand tool dealer just north of Paris, un-scraped! extremely cheap! How about a piece of darabar? Not ridiculous at all to make one if you have a mill. When I bought mine, I thought about milling a 45° on one corner, I didn't need to as the dovetails that I will be using it on are 60°.
Cheers, Matthew
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Thanks Matthew.
Unfortunately, my only milling machine is the mini mill. I plan to use it to true up my mini lathe.
-Mike
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I tried to make one of those by milling 3 sides of a round cast iron bar. It bent like a banana.
I would look to getting one cast. It's not a difficult shape for casting.
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And then scrape it in, using my 12"x18" surface plate for reference?
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With a bit of effort you could slice that from square cast iron stock on a band saw, and hand file to an approximation before scraping as it's not a huge area.
Leave it a while after sawing to relax it's internal stresses before filing. Wet and dry on a bit of plate glass in decreasing coarseness's will get you even closer.
OK it's a lot of work but eminently doable with limited machining capabilities.
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I made a short one a few years ago from a piece of old cast iron, that bent as i milled it.
So i did a little stress relief, heated it to 600c let it soak 2 hours lowered it to 500c let it soak 2 hours and so on
Was fine after that
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All good ideas. Thanks guys!
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Sawing is a great way to start! Definitely roast it as hot as you can manage before you start!(https://uploads.tapatalk-cdn.com/20210408/68cfe7b59b1fc4a84b7051a45b3262b7.jpg)
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