Mechanics and Construction > Mechanics and Construction
Purple flake bot! I need suggestions on mounting components please.
ROBOT420:
http://s1362.photobucket.com/user/420photo420/media/20130327_190829_zps55588f8b.mp4.html?sort=3&o=1
http://s1362.photobucket.com/user/420photo420/media/20130405_140416_zps02c15b01.mp4.html?sort=3&o=3
So I am have started final assembly and the self tapping screws that I was gona use are not cutting it on this metal as it used to be a wheelchair and is quite strong. I have lots of power supplies, relays, LEDs, ect to mout on there, and hot glue seems pretty cheap-ish. Any advice? Thanks!
jwatte:
Self tapping screws only work on plastic and aluminum, and perhaps very thin sheet metal in mild steel.
To do mounting using bolts in thick steel or alloy/stainless steel, I would drill holes and tap them, or I would drill through holes (clearance holes) and use a nut and lock washer on the other end.
Btw: Very sparkly purple color you got there. Good job!
jkerns:
Drill and tap the holes and use machine screws.
ROBOT420:
Thanks for the reply! I have never had much luck with metal bits (at all). What is a good brand of drill bit that I can get from Lowes or Advanced auto? Also do I run it in Forward for penetration, or in reverse to remove metal shavings from the hole?
jkerns:
Any would work. I suspect that Advanced Auto will have the tap you need. If you can't find number drills you can usually get away with the closest fractional drill. For example, for a 10/24 thread you want a number 25 drill, but 5/32" will be close enough.
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