Looking for advice on spindle type - CNCzone.com-The Largest Machinist Community on the net!

jbcj · #1 05-09-2010, 12:30 PM

I have a bridgeport series 1 2j head with a Kwik Switch 200 spindle.
I am thinking of changing to an R8 spindle.
Any thoughts or advice on this.

Jim

fuzz · #2 05-10-2010, 11:33 AM

I've always used an R8 spindle without any issues.
A power drawbar is a recomended addition.

jbcj · #3 05-10-2010, 05:22 PM

I have a series 1 2J CNC machine with a KS200 spindle. I have looked at the Tormach tooling and I like the concept. In a past life I used to run a bridgeport series 1 and under heavy cutting the endmills would drop.

Do the auto drawbar systems solve some of this.
Will they make it so the Tormach system is reliable.
I do not envision using tooling greater then 3/4", maybe some fly cutters.
Tooling for the KS200 is costly and hard to find.

Upside of KS200 tools will not move real solid.
Adding a spindle incoder is much easier (no draw bar).

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