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| Need help installing Thread chasing dial on Enco 13x40 |
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| andyf:
--- Quote from: gldwight on April 19, 2010, 01:08:37 AM ---In other words all it needs is to be in contact with the lead screw?? The apron housing is a wet box full of oil. What should I be aware of when drilling into it? --- End quote --- Hi George, Me again. Yes, all that is needed is to mount the dial so its pinion is meshed with the leadscrew thread, which then acts as a worm and drives the pinion and thus the dial. One reason I mounted my dial by clamping it to a post was so I could swivel it to get a good mesh. Simplest way to do the job without dismantling anything or drilling through into the oil bath and getting swarf inside it or having to worry about sealant on the fixing bolts might be to make up a plate with a mounting post sticking out of it and stick the plate to the RH side of the apron with JB Weld or similar adhesive. Not a very "engineering" solution, but it would be easy to implement if you have a G clamp to hold the plate to the apron while the adhesive is setting. Andy |
| Davo J:
Here are some pictures from my 12x36 Chinese lathe, it should be the same. The hole is 75mm down from the top and 50mm in from the front. Dave |
| Davo J:
One more photo Also the hole is above the oil level, so no worries there. Dave |
| gldwight:
Thanks much for all the pictures and other advice. Looking the apron over today. There's a grease zerk in about the right position. What I made up can't be mounted to a rod though. Drilled for a single mounting bolt. So it can swivel out of contact when not being used. That was a suggestion a local shop made when I had him mill flats on the side's of the body I turned. Even pressed in some bronze bushings. Got good tolerance's, I think it looks good. Sure wish I could post pictures. Thanks again, George |
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