Reply by RandyM68

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Posted on What the heck should I do here, pretty peeved....should I be

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693 posts in 2341 days

#1 posted 04-05-2012 04:56 AM

You’d probably better just throw it away and start over. You’ll never be able to live with all that slop, you’ll make more scrap than good parts. But seriously, two thou doesn’t mean anything unless you are going for a press fit on a bearing or something important. You can make new runners, but chances are, they will be just a little off, too. If they fit perfectly, and are made out of wood, they will lock up in the slot when the humidity goes up, and wiggle just a little when it goes down. I have that problem with my oak runners, and was thinking of using plastic. Maybe, if you counter sink the holes just right, it won’t swell when you tighten it, but I’ll bet it does. I’ve machined a lot of plastic on a mill. It is almost impossible to get perfection with a $200,000 CNC. That stuff moves all over the place, when you machine it, and when you screw it down. The only way that you might get it perfect, is if you make the runner over-sized, screw it in place, and trim it to fit. Good luck.

-- I can explain it to you, but I can't understand it for you. I'm sorry,thanks.

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