Post
Topic
Board Meta
Re: 10th anniversary art contest
by
bisdak40
on 02/11/2019, 22:37:02 UTC


Beautiful coin.
What a piece of art. Out of curiosity, may I ask how long it took you to made that coin?

Nicely done sirazimuth!


Programming time (on Mastercam 2018).... I'm guessing around 1 hour total. (I did it in dribs and drabs over a few days)
Set up time on magnetic table....15 minutes  (very convenient to not having to deal with clamps being in the way)
Facing off slug parallel both sides...30 minutes
Engraving program cycle/run time.... 30 minutes.
Polishing? I'm not sure, as I had my neighbors brother do it at his shop (the backside is now a mirror  Cheesy) . I'm guessing an hour.

I'm now working on the wooden plaque to mount it on. I found a nice piece of hardwood plank (not sure of what tree it comes from, I think its black walnut)
that I just now fixed a clamping block to, using 6 wood screws.
On Monday at work, I'll clamp it in a vice on my the company's CNC machine,
write and run a quick program to profile and chamfer the perimeter, mill out a round pocket for coin to sit in snugly,
and engrave something below the coin pocket.
....On my lunch hour, mind you, so the boss won't get mad Cheesy.... (kidding , he wants me to make one for him too, lol)

(I might even post a pic when finished  Wink )

Pic of mastercam file so far...



I've noticed that there is a knurl on the periphery (outside diameter) but it's not found on the actual piece  Grin. Just kidding lol, i know that it's hard to be done on CNC milling, maybe it can be done through WEDM but it adds up time and it would be costly. Nice work bro.