blake in spokane
Hot Rolled
- Joined
- Jan 11, 2008
- Location
- spokane
Has anybody made thre own tap,drill discintagrator. I have the books from Flemming & THE HOME SHOP MACHINIST. What are the pros & cons? Which one do I build or are there others?
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I'm also gonna build a little bit better slide than a drawer slide, if I don't come up with a pre made ball screw slide. I'd like to get one of the NSK units, but the $$$ is CRAZY!!!
Oh well, I might just have to build my own setup with a gib, and dovetail like a mill, or lathe slide. I'm thinking about an aluminum dovetail, with teflon glued to steel for the adjustable gib, a teflon liner for the other side, and moly/graphite dry lube. Do they make bearing bronze flat bar stock, and would that work for a gib material with a steel backing?? That may be another option. I dunno, this has to move pretty fast, and be fairly low friction, while having VERY LITTLE play. I also have a design in mind that works like roller coaster wheels on the tubular track. Some 1/2" drill rod rails with 8 ball bearings for wheels. In this case, the car stays still, and the track slides. The car has an anti backlash nut that stays still, and the leadscrew is retained by tapered roller bearings on either end of the track. Hopefully I can find a super fine ballscrew assembly that's somewhere in between 18 (doesn't matter if it's metric, I think they make 1mm pitch which is IDEAL) and 28 TPI, and between 6" and 1' long. One end of the track has the gear motor that turns the leadscrew, and the other has the electrode holder mounted to it.
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