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 91 
 on: May 10, 2018, 15:51:58 pm 
Started by jgmick - Last post by jgmick
Lloyd:

This is REALLY off topic but I can't resist it.  I threw out a couple of Sugart 8" drives a few years ago.  Just couldn't justify keeping them.  Hated doing that, but the disks sere so old that they were decomposing and sticking to the jackets. 

Nice meeting someone who even remembers CP/M.  Had it running on a Heath H-89 (Which I still have although it's probably been 10 years since it was even powered up. I should try that sometime...)  Riiiiight, nothing else to do... (Except to learn 3D CAD/CAM.)

So it goes.

 92 
 on: May 10, 2018, 15:35:14 pm 
Started by jgmick - Last post by lloydsp
See, JG... we have a LOT of commonalities among us, here.

I, too, am an old computer hardware and software geek, from back when you wrote real code in assembly language, and had from 24K to 64K space to work in!  I built my first CP/M machine around two 8" Shugart Floppies!

Lloyd

 93 
 on: May 10, 2018, 14:04:29 pm 
Started by jgmick - Last post by jgmick
Another part of that learning experience just kicked in.  I hadn't picked up on the forum structure.  The posting mechanism had "turned the page" and I was missing the "next" at the bottom.  That explains why I missed that post with the solution.

You folks are correct in most parts.  I am an old hand at CAD, good at 2D CAM, plowing new ground in 3D CAD and CAM.  I had always avoided 3D CAD (even though I worked around it for many years) just because of the steep learning curve.  I finally decided this was the time to go down that rabbit hole.  This is the test case.  It's been interesting.  I wanted something like Fusion360 but ended up buying TurboCAD. (What I want and what I can afford are NOT in alignment.)

Professionally, I am in computer electronics.  I am a  "Hacker" from the days when that was a compliment. (Both hardware and software).  I also do the mechanicals for products and enjoy it.  I'm pretty good at that too.

Every day is a learning experience ...

 94 
 on: May 10, 2018, 13:48:06 pm 
Started by jgmick - Last post by jgmick
Sorry, somehow I missed seeing your file the last time.

I thought I had stated the requirements earlier.  The comments were intended to qualify the CB file I uploaded, nothing more.

I loaded the file into CamBam.  Got a message "Style Bridgeport not found"  Not sure what that is.

I changed the depth increment to 0.005".  That is a value I have used before and it gives an acceptable surface finish.  the 0.025" was a little too aggressive.

I generated the G-code and ran it thru Mach3 and the Camotics sim.  Looks right.  I think I will clamp up a piece of stock and cut it and see what happens.

The other thing I have to do is alternate between reading thru the setup and reading the various docs to understand how and what you did.  That is part of that learning experience I still have to get thru.

Thank you much for your able assistance.


 95 
 on: May 10, 2018, 13:04:53 pm 
Started by jgmick - Last post by lloydsp
Guys, that said, I'm betting he's just 'holding off' on building a really-refined solid until he gets the toolpath thing learnt.  It wouldn't make sense to waste all that rendering time until you had the basic principles settled-out.

It doesn't seem he does a whole lot of CAM, but from what he wrote earlier, I think he understands his CAD.

Lloyd

 96 
 on: May 10, 2018, 12:36:03 pm 
Started by jgmick - Last post by Bubba
Here you are.  If there IS a CB solution, I'm all for it.

The CB profile needs some more work.  I don't have the peck depth set up right, some other minor items.  I kind of stopped short when I saw what I was getting for a cutter path.  That additional work also is part of my learning experience.  I at least kind of understand what more I need to do.  No chips hit the floor until I get those sorted out as well but the major item is getting something that will cut that corner profile and only that corner profile without all of the other (at least to me) superfluous stuff.

Final note.  This is a part of a mold for a fiberglass part.  I'm kind of fussy on the finish curves but not a fanatic.  I expect to have to do some cleanup on the molded part, just trying not have to do too much of it.

This was mostly waffle that said very little about the requirements, I got nothing from it.


The file I attached earlier had everything you needed, so I can't understand the problem now.


Yeah, the solid is of very poor quality. You can't expect good finished part from it.

 97 
 on: May 10, 2018, 10:47:24 am 
Started by jgmick - Last post by EddyCurrent
Here you are.  If there IS a CB solution, I'm all for it.

The CB profile needs some more work.  I don't have the peck depth set up right, some other minor items.  I kind of stopped short when I saw what I was getting for a cutter path.  That additional work also is part of my learning experience.  I at least kind of understand what more I need to do.  No chips hit the floor until I get those sorted out as well but the major item is getting something that will cut that corner profile and only that corner profile without all of the other (at least to me) superfluous stuff.

Final note.  This is a part of a mold for a fiberglass part.  I'm kind of fussy on the finish curves but not a fanatic.  I expect to have to do some cleanup on the molded part, just trying not have to do too much of it.

This was mostly waffle that said very little about the requirements, I got nothing from it.


The file I attached earlier had everything you needed, so I can't understand the problem now.







 98 
 on: May 10, 2018, 02:40:44 am 
Started by huntleybill - Last post by Bubba
Darn, David beat me.. again.  Grin Grin
See your fixed file.

 99 
 on: May 10, 2018, 02:32:26 am 
Started by huntleybill - Last post by dh42
Hello

Select both polyline 58 and 59 and set the Closed property to True.

also remove Line 1 ; it is unused.

++
David

 100 
 on: May 10, 2018, 02:20:21 am 
Started by huntleybill - Last post by huntleybill
I have the attached file that I am getting ready to cut out but I noticed that the two pieces on the right side that are curved are missing part of the profile cut tool path. I drew this up and exported it into a DXF file. I pasted the DXF file into CB and joined all the lines. I have been trying to redo these a few times but am getting the same result.

Can you tell me why these parts are doing this? I know its me but I don't know what I am missing.
Thank you for your help.
Bill

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