Saturday, July 9, 2011

Long Board Progress

After a week of spare time I popped out a few parts. I avoided using the CNC as much as possible because it removes material so slowly. None of the parts were particularly difficult to machine. All of the setups could be done in a vice and they had fairly sloppy tolerances... although I did aim to get them as tight as possible for the fun of it.


 I also started to polish the parts. This is the first time i had a polishing wheel, so I got a bit carried away and started to polish everything. I still need to improve my technique. Machined surfaces polished easily, but the machining marks still remained. Surfaces left unmachined look alot better, but they aren't perfect mirrors.
 I got lazy and decided to make the side plates from polycarbonate. I can cut it at more than 10 times the rate of aluminum and I don't have to baby the machine as much. It should be strong enough and it looks aesthetically pleasing, so it's a win - win situation!
The spherical bearings worked perfectly and aligned up as I hoped they would. The bearing seats were a bit tighter than I hoped they would be. It's not a problem as long as I don't need to replace them. The trucks have really started to take shape, but the whole board is still a long way from being completed.

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