Quote:
Originally Posted by jaeger6
I am casting these emblems (see below) and I am trying to come up with a time effective way of sanding the face in preparation for polishing. Currently, for the sample parts, I am simply sanding them with sand paper on a flat steel table. Works well but is very time consuming. It's quite important that the face be sanded as flat as possible with very minimal "diving off" of the the sharp corners.
So, I am looking for a powered alternative. I have been considering a belt sander, or one of those rubber expander wheels
The sanding belt has the draw back of how to hold onto the part while sanding. The part is only .170 thick.
Do you think the expander wheel, with the proper technique is capable of not rippling the surface?
Any other suggestions? |
I wouldn't use the expander wheel unless the part is less or equal to the width of the wheel. I have one, and the edges dig in easily and the hard surface does make ripples easily.
A tabletop belt sander would be ideal in my opinion. I'm sure you could come up with a temporary adhesive to put on the back of the emblem to get a handhold on it. Maybe rubber cement a cardboard handle on there. Also use a stop at the near end of the sander to keep it from flying off the belt. Use low speed grinder's grease and the sanding will look 100% better.