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Unread 17-12-2015, 08:10
Foster Foster is offline
Engineering Program Management
VRC #8081 (STEMRobotics)
Team Role: Mentor
 
Join Date: Jul 2007
Rookie Year: 2005
Location: Delaware
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Re: Rookie Prototyping Materials

Quote:
Originally Posted by Chief Hedgehog View Post
Get this darn thing - 1.125" Step Bit
I wish we would have had it when we first started.
Help me love this tool, I've had nothing but bad experiences. How do you mark the bit so roboteers drill only to that size hole? In a drill press this should be easier assuming that the roboteer uses the drill press and understands how to correctly set the stop. But roboteers traditionally love the battery hand drill.

Quote:
Originally Posted by BBray_T1296 View Post
Do yourself a favor and only use only one or two hardware sizes. We historically have used #10-32 and 1/4"-20 hardware (though only rarely the latter, it really is overkill)

If by various sizes you mean lengths, then yeah that is fine.
We mostly commonly use 1.5" for bolting panels to 1" extrusion, 2.5" for bolting two extrusions together, and .75" for bolting two or three panels together
I was part of a team purge that got rid of all the Phillips, Robertson, Torx, straight blade, etc heads, wood, self tapping, etc. and replaced them with cap head bolts (and added some extra sets of T-handles) Restocked with a few diameters and multiple lengths. Seemed to work out well, only down side was when doing prototyping with wood parts needing to drill holes for fasteners. But hours saved not looking for matching screws or needing to use a Phillips on one screw and straight tip on the screw next to it was huge.
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Foster - VEX Delaware - 17 teams -- Chief Roboteer STEMRobotics.org
2010 - Mentor of the Year - VEX Clean Sweep World Championship
2006-2016, a decade of doing VEX, time really flies while having fun
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