Ways to learn CAD/CAM? - Page 2
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  1. #21
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    Quote Originally Posted by Higgins909 View Post
    Since I've got some people talking here, I've got a/some questions after talking to my boss. We have MasterCAM 2020 or 2021. I was being told that you could spend a hour on MC but program the part at the machine in 20minutes~. But MC is good for more complex parts from what I was understanding. Does this sound true? A lot of our parts are like a box with holes/taps.

    Said something about if you wanted to take .005" off a face or something, you had to do a bunch of extra as well or... Not quite sure. But he did say if you make a program, the g-code is like supper long and turns a simple part that would be done in 2-3 pages on a haas to 20~ pages. One thing I remember when messing with CAD on F360 is how would I lie to the machine? I hand coded a part on the lathe. Just turned it down into a cylinder and then c-drill, drill, tap. But I had to tell it the front of the part was .003"~ smaller than the back, so it would match up. It was about 1" by .75" dia, mild steel.

    He was also saying because I was learning to machine, MC would slow me down. It seems I really need to work on my speed. Not quite to this topic, but how long does it take to say, put a vice on, indicate, then put on jaws, stop, tools, offsets, cautiously run first part.

    Some parts you can program real quick and some parts you can do at the machine, Hell I modify a program in notepad faster than you can type it in a machine or create it in cam. As for making a program 20 pages long, I guessing he talking about a lathe and canned cycles because on milling most programs are about the same it you hand type it or use cam. There are plenty of options in cam that use canned cycles and subroutines that shorten programs. I am going to take a wild guess here that your boss is a guy that does not like cam software based on the remarks you made.

  2. #22
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    Quote Originally Posted by Higgins909 View Post
    Since I've got some people talking here, I've got a/some questions after talking to my boss. We have MasterCAM 2020 or 2021. I was being told that you could spend a hour on MC but program the part at the machine in 20minutes~. But MC is good for more complex parts from what I was understanding. Does this sound true? A lot of our parts are like a box with holes/taps.

    Said something about if you wanted to take .005" off a face or something, you had to do a bunch of extra as well or... Not quite sure. But he did say if you make a program, the g-code is like supper long and turns a simple part that would be done in 2-3 pages on a haas to 20~ pages. One thing I remember when messing with CAD on F360 is how would I lie to the machine? I hand coded a part on the lathe. Just turned it down into a cylinder and then c-drill, drill, tap. But I had to tell it the front of the part was .003"~ smaller than the back, so it would match up. It was about 1" by .75" dia, mild steel.

    He was also saying because I was learning to machine, MC would slow me down. It seems I really need to work on my speed. Not quite to this topic, but how long does it take to say, put a vice on, indicate, then put on jaws, stop, tools, offsets, cautiously run first part.
    Sounds like your company has never had a proficient CAM person. I have a lot of my guys hand code simple jobs. However the biggest reason I do this is to get guys experience, it doesn't take a very complex job for me to be able to CAM it faster, there is plenty of programs that can be done in a matter of minutes. Something that takes an hour to program would take hours to fingercam. Also I don't know why this is a sticking point with some of the older guys but the length of a program doesn't effect program run time until you get into HSM type toolpaths, and even then it's probably still more efficient that traditional machining strategies.

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  4. #23
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    Quote Originally Posted by Mike1974 View Post

    Anyhow, learn it however you can, youtube, online free training, HLE.... And some people are going to say how bad MCX is, but it is one of the most used CAM softwares out there. Have any questions about how to do stuff, you can post here, or on the Mastercam forum. Lots of help out there.

    Good luck!
    Those are just people who like to yell at clouds for being cloudy. They never bother to actually learn the damn software so they just complain, like @CORONAVIRUS. Mastercam is one of the most developed and robust CAM softwares out there for general machining. For straight 5 axis it may be better to go with Hypermill, millturn maybe Esprit. But people who say mastercam sucks or whatever, they just never learned properly so they hate it.

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