Bridgeport RF-31

5 discussions on PolyTech Forum about the Bridgeport RF-31: what owners asked, what went wrong, and what fixed it.

What owners report

Mill or lathe?

This question is probably akin to: "How long is a piece of string?". However, having done as much research as I reasonably can and with no local resources to fall back upon I feel compelled to ask this here:If you had to equip a small...

Mill reccomendations for a robotics team?

This is my first post, hopefully I haven't done anything horrible.I am a highschooler (junior) at the Harker School (San Jose, Bay area,California), part of the robotics team there. We participate in FIRSTrobotics ( every year we build a...

Round holes with flat bottoms

I am sorry to ask something very basic. My excuse is that I am testingthe Forte Agent :-)I need to make round holes in steel, 1/8" deep, with flat bottoms. Thediameter is usually either 1/4" , 5/16", 3/8" or 1/2" and is notcritical.I do...

Keying the Vise - Maxing out The Work Envelope.

I've got several machines where I do use a vise. I don't use keys on the bottom of any of them. I have in the past, but my experience was unless I pulled the keys and machined them they didn't just position the vise accurately enough I...

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