How is the machinability of prodec 304ss?

plastikdreams · Sep 14, 2021

I have a fixture to make, we have some prodec 304ss .750 plate. The base and one block will get machined and ground to .500 while another gets machined and ground to .375. I will wire all the features. Except for holes of course.

So I know how 304ss is to machine, per the rolled alloy website prodec has increased machinability. Does anyone have experience with this? How was your experience?

Thanks!

mutiny · Sep 14, 2021

Machine it like it's 304 but expect better tool life. This has been my experience. It's not a silver bullet but it is nicer. Being a brand name should lead to more consistency between batches of material as well.

Bobw · Sep 14, 2021

Why are you making a fixture out of 304?

Do you store your fixtures outside, or do you run salt water for coolant?

DanASM · Sep 14, 2021

I machine it quite a bit from time to time. I run screw machines. Runs the same as 304 but tools last longer. less hard spots. more consistancy.

plastikdreams · Sep 14, 2021

Bobw said:
Why are you making a fixture out of 304?

Do you store your fixtures outside, or do you run salt water for coolant?

It's for a wire edm application, I'd prefer 17-4 but this is what we got.

95% of our fixtures are 2024.

plastikdreams · Sep 14, 2021

Thanks for the info guys, I'll be using 5 flute end mills on the Bridgeport with koolmist to hack the material down. I might even break out my new 1.00 cutter to speed facing up. I'm not totally sure how I'm gonna do this, I have a few options. Tolerances are tightish, some +/-.002 and a few +/-.0005...nothing extreme.

I think I may wire the blanks out for thickness, then grind to size, then wire the profiles. This gives me great squareness. But I still need to dwell on it in the morning.

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How is the machinability of prodec 304ss?

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