Goofs & Blunders You Should Avoid.

Shop foreman handed me a 3/8-16 tap and told me to turn the shank down to less then the minor diameter as he was tapping holes deeper then the threaded portion. He is standing behind me waiting, I finish and grab it by the threads and pull it out of the chuck and say "it's hot" he grabs it and immediately flings it across the shop where it gets lost under a bench.
 
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if I had a dollar for every person that grabbed something aluminum that I just got done welding....they learn quick
 
Speaking of welding, place your ground close to where you are welding. A few years ago, we had to replace all the wiring a conduit because a welder was about 200' away from his ground. Turns out, our copper #14 ground was better than all that he had welded. That #14 heated up and took all the control wiring for the plating line with it.


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mzayd3 said:
Speaking of welding, place your ground close to where you are welding. A few years ago, we had to replace all the wiring a conduit because a welder was about 200' away from his ground. Turns out, our copper #14 ground was better than all that he had welded. That #14 heated up and took all the control wiring for the plating line with it.


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Damn. That's never good. I always like to clamp immediately next to the weld if possible.
 
Never weld a rim with the tire still inflated. My uncle was killed putting a weld on a large wheel from a slag hauler in a steel mill. Those are huge tires on those machines, it exploded and hit him.
Be safe
Martin W


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And I guess you shouldn't engage the carriage feed with the carriage locked?

David
 
If you engage the carriage lock tightly,and apply the power feed,you may be soon treated to the sight of your lathe being bent into the shape of a very large "C" clamp.
 
Well,I did exaggerate a LITTLE!! But,I have seen more than one lathe with the right side of the quick change gear box torn out. Caused by someone leaving the lathe unattended until the tool ran into the chuck,or taking too heavy a cut,or,indeed,by locking the carriage down!
 
George, talking about that. Dad told us of an incident that happen at the shop he worked at back in the 1960's. They had a long bed lathe, talking about 30 something feet in length, had powered rapid traverse on it. The guy running it some how engaged the half nuts at the same time the lever for the rapid traverse was hit to return the carriage back to the end of the 30 foot long part. Got pretty ugly as the lead screw was bent into very large presel as the carriage was traversing back.
 
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