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Metalworking
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Metalworking: welding, machining, casting
Almost every aspect of metalworking should go there. This includes but is not limited to welding, machining, casting and general fabrication.
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HELP MACHINING 310 STAINLESS STEEL

Hi guys, hope your well.

Im making some hexagon nuts out of 310 stainless steel, the starting diameter is 35mm and my finished a/f im aiming to achieve is 30mm

Im using a Trishul 2ts polygon milling machine, ive set up the program to take 2 passes at 1.25mm each time and im using tnmg yg3030 inserts with a tool nose radius of 1.2 but burning through inserts really quickly.

My parameters are 0.04 feed rate and spindle speed of 140m/min

Can someone advise on better speeds or feeds or maybe some inserts
#industry
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Stamping serration into a face

I am hoping that someone here might have some tips for me as far as my design for a face knurling project on something resembling a serrated face on a 2” washer

Currently using a rotating conical knurling tool that is pushed into face of material in a lathe

In metal forming there are old school techniques that defy logic..
For instance
When burnishing we intentionally start with a rough surface and end with a mirror surface..??

It’s not logical.. but definitely factual

Maybe I missed something regarding forming serrations so that they are sharp at the crest

(Maybe a micro slot in tool instead of a 90deg V shape)

Any ideas would be welcomed
#industry
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First thing I made that feels 100% perfect and not a "rustic" chunk of sharp rebar. Obviously mixed media, not just smithing.
#industry