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cruzila

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cruzila last won the day on March 9

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  1. "Also in the mid 1960s, the Digigraphics division of Control Data Corporation released the first commercially available CAD software system. The system was a successor to ITEK's earlier CAD software research system (which was named "The Electronic Drafting Machine" and ran on a Digital Equipment Corp. PDP-1 mainframe computer) and as with the Sketchpad CAD software, input was made using a light pen. Digigraphics was priced at $500,000 per unit and only a very few units were ever sold." The first pen driven system was $500,000 in todays dollars that's $4,511,359
  2. Best of luck!! Nothing like a straight up learning curve. You'll be a master after 1 job...
  3. "Many variables affect the performance of threaded holes and the taps used to generate them. One very important factor is the drill size used to produce the hole that will be tapped. Most tap drill charts call out only one tap drill size, and that will produce an approximate 75 percent thread. In general, tap tool life can be increased significantly by using a lower percent of thread and we suggest using values between 60% and 70% for most applications. Thread strength is not directly proportional to percent of thread. For example a 100% thread specification is only 5% stronger than a 75% thread specification but requires 3 times the torque to produce." One of the best things I've read in a while
  4. Creating a new login on the computer could do this as well.
  5. What is this kinetic awareness?
  6. Anyone have the simulator forget the stock configuration when it is open with the part? I have seen this a few random occasions. Mostly when I have a stock cylinder and it reverts to a block. Also the simulator seems to not remember whether a solid is selected for stock on re-open of a file. That's pretty consistent.
  7. Not much discussion on the actual poll here. I found that tool life in spotting with a HSS SD is related to chip load more than anything. I like to have the hole chamfer there prior to drilling so use a spot more often just for that rather than location.
  8. Change the direction to follow the longer edge. If you start from the bottom, you don't have to do as much roughing or none at all depending on the size of the cut, tool, part etc.etc. Arc filtering is on the 3rd page under the "total tolerance" button That, and stepover are your only facet controls.
  9. I'm not usually as aggressive in copper as aluminum but start as Ron said and you may end up with a little less SFPM and sticking with the higher chip load. This is where machining becomes the art that it really is. There are good artists and not as good. I was sending copper chips 30-40 feet across the room back in the bridgeport days.
  10. That's a great drawing with a couple of issues. Seems like normal everyday stuff to me. I remember the cocktail napkin (literally! a cocktail napkin) days back in the 80s...
  11. i WOULD DO THE STRAIGHT STUFF 2D THEN ALL YOU HAVE TO DO IS FINISH THE CORNERS
  12. Sometimes just clicking on the start button, sometimes reboot the computer. It's a bit random.
  13. i HAVE EXPERIENCED THIS WITH 2021 AND 2022 NO SOLIDWORKS
  14. It should be fairly easy to open the file and delete the parts you don't want anymore. I always save a copy first. I haven't really deleted anything since 1989.....

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