Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
Thanks for all the interesting comments. "The Good The Bad and the Ugly" certainly seems to apply to this old lathe! Yes I did learn how to quickly set up a 4-jaw chuck, and how to go about teaching a
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Evan
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#119333
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Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
Fortunately today there's maker spaces popping up all over the place & they seem to be the gateway drug for some . I wish they were around when I was growing up . animal
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mike allen
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#119332
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Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
Congratulations , That's a might fine thing you & Peter are doing . Did any of the students have plans to get a lathe after taking your class ? Keep it up ! thanks animal
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mike allen
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#119331
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Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
Thanks for that overview. It's heartening to hear that there are still some people out there interested in learning machining. Curious if the students have their own machines, or maybe have access to
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chrisser
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#119330
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Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
It sounds like a typical course for machinist. Most just 3 jaw here. I think if course was more on sharp tool bit for different materials and the correct speeds. Technics that used by machinist would
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davesmith1800
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#119329
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Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
Sounds like you sparked some new machinists! Although the one bit about your partner fixing the chucks "We had two 3-jaw chucks with significant problems with runout. By switch back plates and jaws he
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Bruce J
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#119328
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Re: FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
Wow, I certainly wish I could go to something like that. Great job ! george
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[email protected]
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#119327
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FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND
*FINAL REPORT ON TEACHING A LATHE COURSE, IN THAMES NEW ZEALAND* I am writing this report to help anyone else who may want to run a similar course for a community group like Men's Shed. Well, we had
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Evan
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#119326
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Re: New trav-a-dial
This what I use It was low cost in 1972 .
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davesmith1800
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#119325
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Re: possible worm gear & some bike stuff
Here's plenty of info on how anaerobic adhesives work: < https://www.sciencedirect.com/topics/engineering/anaerobic-adhesive > Roy
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Roy
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#119324
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Re: possible worm gear & some bike stuff
I can second Roy's retaining compound recommendation. I bought that after some tips for some bench sander rollers I made, and had to use it for something else recently which I foolishly thought I
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soffee83
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#119323
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Re: New trav-a-dial
I have 2" too. I found if did not need the longer stoke would get way. I use the one inch 99% of time. Dave
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davesmith1800
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#119322
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Re: New trav-a-dial
I use a 1" travel indicator that I epoxied a magnet onto the back of. This works the same as a clamped-on indicator, but I can use it on two different lathes and also my mini-mill. It would've been
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Miket_NYC
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#119320
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Re: New trav-a-dial
That works great . I have same thing. Dave
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davesmith1800
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#119319
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Re: New trav-a-dial
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mike allen
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#119318
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Re: New trav-a-dial
There are some ways to design zero backlash.? I don't know what is in a Trav-a-dial.? But one way is to use a split gear (imaging two thin gear disks) that are spring loaded in opposite rotation
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Charles Kinzer
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#119317
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Re: New trav-a-dial
As a former Trav-a-dial user, I don't know how they did it, but there was no detectable backlash whatsoever. The needle simply reversed direction with the carriage with no pause. It was very precise
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paraflyr
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#119316
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Re: New trav-a-dial
For longitudinal travel on my mini lathe I use a 1 inch travel dial indicator thet clamps to the lathe bed. It can be adjusted or removed. I used the 1 inch travel one because it was what had. I would
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John Mattis
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#119315
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Re: New trav-a-dial
I think thevonly complain was if need glass they where hard to read. Back in 1970's most shops remove and put DRO on. Then complain about skipping after the glass scale got oily or coolant So never
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davesmith1800
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#119314
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Re: New trav-a-dial
Digital Scales are best. They tell you exact position and you don¡¯t need to think about back lash. I have had them on my minilathe for years. Dick
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OldToolmaker
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#119313
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