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Thread: My 7x12 Mini lathe...first item
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26th April 2010, 11:53 AM #16
ok, latest off the minilathe. I have started to venture into trying out harder materials, namely O1 steel this time. Pretty happy and confident with mild steels now so next up will be Stainless steel. I think I have to fix up my saddle and do a mod to adjust the gibs on it, stupid setup the way it is and the whole things just too loose.
This is a small driveshaft for an electric 1/10 RC buggy, bloody thing flies with LiPo batteries. So much power, the factory shafts usually shear off or buckle and bend in the centre.
This one should stand up much better. Cross pins are a nice press fit.
This was also my first go at hardening the steel by oil quenching.
Heated the part in a quick slap-up forge (couple bricks) using MAPP gas until it was no longer magnetic, dunked in peanut oil and then tempered in an oven at 180°c for 1hr.
Seems to have worked as a file wont bite into it.
I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.
Albert Einstein
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