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Author: Subject: drilling a hole - tip
02GF74

posted on 15/8/17 at 07:28 PM Reply With Quote
drilling a hole - tip

https://www.youtube.com/watch?v=4HOxfZKIZQk





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Daf

posted on 15/8/17 at 08:10 PM Reply With Quote
Brilliant - what's the science behind this then?
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gremlin1234

posted on 15/8/17 at 08:12 PM Reply With Quote
what a boring video

but the usual way is to have a block under the piece you are working on; or use a sheet metal/chassis punch

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02GF74

posted on 15/8/17 at 08:46 PM Reply With Quote
quote:
Originally posted by gremlin1234
what a boring video



well it's certainly not riveting!





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Mr Whippy

posted on 16/8/17 at 12:24 PM Reply With Quote
tbh I thought that was amazing and a problem I've had before, who would have thought that would work anyway?!

not sure how this was discovered...someone drilling through their boiler suit?

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owelly

posted on 16/8/17 at 12:59 PM Reply With Quote
Snagging your boilersuit usually results in a set of blood blisters!!





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pewe

posted on 17/8/17 at 09:16 AM Reply With Quote
Interesting.
BTW a word of warning - I was trying to drill a 30mm hole in a piece of sheet recently using a step drill bit and hand held drill.
All went well until the bit jammed in the metal - quick as a flash the drill rotated around the bit, the handle and drill body attacking my forearm and wrenching my thumb - be careful out there!!
Cheers, Pewe10

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David Jenkins

posted on 17/8/17 at 09:50 AM Reply With Quote
Many years ago I read a report on safety in the workshop - in amongst all the fearsome tools, the machine most likely to cause injury was the pillar drill, as users didn't give it the respect it deserved. Drills catching and spinning the work was the biggest cause of serious injury, followed by swarf in the eyes due to lack of guards and/or eye protection.

You also get a better-quality hole if you clamp the work properly.

End of lecture!





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pewe

posted on 17/8/17 at 10:10 AM Reply With Quote
Significant number of deaths in the industrial Midlands years ago caused by testicular cancer.
Guys working lathes etc. used to have their trouser fronts soaked in cutting oil presumably rotting their nether regions! Aprons or suitable oil resistant clothing sorted that out.....

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