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#5
07-01-2013, 04:29 PM
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Re: Trying to make a gear pump
Yeah, maybe press fit is the only way, I just like that the cylinder pin is surface hardened and probably more smooth and straight than I can make with my lathe.
The gear on the picture is 11SMnPb30 / C45 steel and the pin is some surface hardened steel (so hard you cannot machine is with HSS). Brazing could be an option if a suitable filler for steel could be found, I've never tried it or seen it done. 
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