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[CNC] CNC from sketch to part the way I do it

angelfj1

Active User
Active Member
#31
this video shows using a few features of emachineshop including the 3d part of the program.
Jpigg at the end of this video i did a drawing to see I can can try to figure out what you are wanting to draw.
thanks for viewing
steve

Steve: I just wanted to say thank you for the time and effort you are investing in this program. Not only have I learned a great deal but I have saved a lot of time that it would have taken me to sort through what is and is not important.

Keep up the good work!

Merry Christmas

Frank in SE PA

p.s. I can't speak for everyone following this, but I would benefit from a video showing what you do after creating the G-code, that is mounting the stock in the mill and actually milling the part. I'm not suggesting that you waste any material but perhaps you next "simple" project from beginning to end, including the milling and finished part. thanks!:))
 

JPigg55

Active User
H-M Supporter-Premium
#32
p.s. I can't speak for everyone following this, but I would benefit from a video showing what you do after creating the G-code, that is mounting the stock in the mill and actually milling the part. I'm not suggesting that you waste any material but perhaps you next "simple" project from beginning to end, including the milling and finished part. thanks!:))
I second that !!!
 

hilestudio

Iron
Registered Member
#34
Thanks so much for your post! I am a furniture builder (to be retired in less than a month) An have filled my former basement woodworking space with metal working machines. Like you, I knew nothing about machining, but I sure have a lot of fun. I am able to make MasterCam fly at work, but that will go with the business. I hope to some day convert or purchase a CNC mill. I am looking forward to your posts.
Regards,
Warren
 

jumps4

Global Moderator
Staff member
Active Member
#35
in this video I correct a few problems with mach3 display of 4th axis code and go into involute cutter making. I'm going to put together a video of a complete project from measuring to machining I just have to get it all together in my head how to do it :thinking:.
I hope everyone is having a good holiday season
thanks for viewing
steve


[video=youtube;2NKcmVfZ0xI]
 
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jumps4

Global Moderator
Staff member
Active Member
#36
In this video I started to make a rocker assembly off a small engine. I show how I measures the original and the drawing in emachineshop. Try doing this if you want to feel silly, talking to yourself while watching your hands on camera :nuts:
Don't forget to hit the full screen button on the lower right of the video box to see a really big nose in the lower left....
I hope this is helping someone.... I will be doing this all the way until I have the completed part.
thanks for viewing
steve


note: the video and sound get a bit of sync but you should be able to follow

[video=youtube;qQ1TC0dNtPw]
 
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angelfj1

Active User
Active Member
#37
In this video I started to make a rocker assembly off a small engine. I show how I measures the original and the drawing in emachineshop. Try doing this if you want to feel silly, talking to yourself while watching your hands on camera :nuts:
Don't forget to hit the full screen button on the lower right of the video box to see a really big nose in the lower left....
I hope this is helping someone.... I will be doing this all the way until I have the completed part.
thanks for viewing
steve


note: the video and sound get a bit of sync but you should be able to follow

[video=youtube;qQ1TC0dNtPw]http://www.youtube.com/watch?v=qQ1TC0dNtPw&feature=youtu.be[/video]
Steve, this is outstanding!!!
 

jumps4

Global Moderator
Staff member
Active Member
#38
this is video 10 and I'm still having a video to voice sync problem I'm finding to be a windows 7 problem. I hope it is clear enough to follow, I'm still trying to fix it.
I'm still measuring and drawing the rockerbase in this one.
thanks for viewing
steve


[video=youtube;p-7uIlntBG4]
 
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twr

Iron
Registered Member
#39
Thanks Steve, for all your time to do all these videos i have lreaned alot already. I should have my machine in the next week or two waiting on the riggers, i can't wait to start playing around with it. Also happy holidays to all on the forum.
 

jumps4

Global Moderator
Staff member
Active Member
#41
your welcome guys, I'm glad I can help
the good news is, I think I have resolved the video sound sync problem, the bad news is in this video I had to pause filming several times and when the video resumed about half way through the sound stayed paused. Thank you windows 7.
I didn't remake the video you can see what I'm doing.
thanks for viewing
steve

[video=youtube;AXDp5xc2wbc]
 
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angelfj1

Active User
Active Member
#42
your welcome guys, I'm glad I can help
the good news is, I think I have resolved the video sound sync problem, the bad news is in this video I had to pause filming several times and when the video resumed about half way through the sound stayed paused. Thank you windows 7.
I didn't remake the video you can see what I'm doing.
thanks for viewing
steve

Steve, this was great but I can tell you were running out of steam! So, more a reason to say thanks again. I thought of something that could save you some time when drawing lines that intersect at right angles. Just a suggestion, if this software has an option for "orthogonal", all lines will be drawn only in the "x" or "y" direction and you wont have to stop to adjust the angle.

Cheers, Frank
 

jumps4

Global Moderator
Staff member
Active Member
#43
In this video I go into how to use the tools to draw and I keep crediting jpigg for suggesting I look for the tools. sorry jay it was frank that made me read the directions. :LOL:
this video also includes how to do cad drawing in a non mechanical way, there is a lot more to this form of drawing and it is very handy for the cnc router and plasma guys for sign making and such.
thanks for viewing
steve


[video=youtube;iU-yvYA6nIk]
 
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7HC

Active User
Active Member
#44
The making of the replacement rocker holder that fits in the top of the head is an excellent practical example of what can be done using CNC in a home shop with a mill, Mach3, and a chunk of aluminum.
It's likely stronger than the original too, which appears to be a casting.

M
 

br1

Swarf
Registered Member
#45
Here is another video, this one goes into the d2nc cam software and then to mach3 with the drawings I have made in the previous video.
If anyone has anything to add, comment on, or critique please do. I'm not an instructor on any of these software's but that is probably why no one is doing this. they think they have to be. I make mistakes and find corrections... I hope this helps get someone else started.
If i'm learning by my mistakes I have to be a genius by now... lol
I get the impression from what I read that quite a few people think they need complete training on their cad, cam and operating software from a college or online course to do this and my point is for me it is easier to learn as I go.
A quote from Einstein I like is something like this " don't waste space in your brain memorizing anything you can look up "
If you have any ideas what to go into next, let me know, if there is none I guess I'm done for now.
thanks for watching
steve


[video=youtube;VXizFzP6rAw]http://www.youtube.com/watch?v=VXizFzP6rAw[/video]

note: sitting in a quiet room and talking to yourself for an hour is a weird feeling, try making a video.
Thanks for the information about d2nc, I use a lot of different cad cam programs and I have found, for myself, that this program has a learning curve I could not get my head around but after watching this I think I can catch on to what is happening, so thanks a lot it really did help. I just joined but will now know where to ask if I get stuck.
 

jumps4

Global Moderator
Staff member
Active Member
#46
this is video 13
steve


[video=youtube_share;ue_uGuSlV5s]

- - - Updated - - -

this is video 14
steve



[video=youtube_share;TEcC3_58Hm8]
 
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jumps4

Global Moderator
Staff member
Active Member
#47
this is video 15
steve


[video=youtube_share;-fgiFkYHOHs]

- - - Updated - - -


this is video 16
at the end of this video the g-code is completed to machine the top of the rockerbase I have been drawing
13,14,15,16 are full of mistakes and corrections but I get it done.
I don't normally have someone watching me do this, and me talking while trying to think about what I'm doing. It's not like chewing gum while walking.
steve


[video=youtube;17NORaYDzPw]
 
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JPigg55

Active User
H-M Supporter-Premium
#48
I know it must be tedious and, believe me, I've made a lot more mistakes playing around with eMachineshop than you have making your videos.
But I have to say there would have been a lot more without your tutorials so heres hoping you can stand to keep making them.
I have some other requests, but didn't want to put you into overload. Figured I'd wait until you were done with this series.
GREAT JOB !!!!!

 

jumps4

Global Moderator
Staff member
Active Member
#49
after watching video 15 over again and rechecking my measurement's and code I found a few mistakes in the g-code for step four, cutting out the square holes and outside shape of the part.

I have also decided to not combine the code together, I'm going to leave it as individual steps so it is easier to review and locate problems.
steve

[video=youtube;6V7G2YqqS9M]
 
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angelfj1

Active User
Active Member
#50
Steve: I finally got caught up with all of the videos. This is outstanding! Thanks for all of your work and please keep them coming.

Best regards,

Frank:))
 

jumps4

Global Moderator
Staff member
Active Member
#51
In video 18 I do the drawings I need for the g-code to machine the front, back and bottom of the part.
In 19 I have located a problem with the "rockerbase" drawing I missed in the very beginning and do a correction. so all the drawings for the front are fixed to reflect the correction.
thanks for viewing.
steve


[video=youtube;DOXqOJBXCOg]


[video=youtube;D9pD4RdZeAI]
 
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xalky

Global Moderator
Staff member
Director
#53
Steve, Thanks so much for all of these videos. To be honest, I was a little discouraged as to why I couldn't hear the videos and I gave up. I also got side tracked with other projects but began watching some of the more recent videos. The sound is great now and your video productions are really good now. I can only imagine how much time you've spent just getting things tweaked to your liking. I'll be watching and learning.

Marcel
 

Rick Leslie

Active User
Active Member
#54
First I want to say thank you for doing the videos. I can't imagine putting together one or two instructional videos and you're working on 19 or 20! Thank you!!!

I'm still stumbling through D2NC but because of your videos, I finally have a limited understanding of emachining and 3D modeling. I've struggled for a year or two with CAD based programs and never could quite wrap my mind around any of them. But watching you model a few things helped me finally see the light. I've been sitting here most of the afternoon (once the new grandbaby went home) practicing. Funny, my wife isn't nearly as happy about it as I am.
Anyway, thanks again for helping me break through the CAD fog. There's still a lot of work to do, but I'm much closer now.
 

jumps4

Global Moderator
Staff member
Active Member
#55
I'm glad I could help someone, I'm no teacher and all the software conflicts to get the microphone, camera, and screen capture to all work together was a bugger.
yesterday I was in the shop getting some ideas on the fixture to hold the stock while machining.
I have decided to machine the bottom first then bolt the stock to the fixture, that way I wont have to remove it again until it is finished. It's looking like the machining order will be bottom, top, front then back. the fixture will be machined out of a solid piece instead of a plate and spacers but on the final machining of the back section it will machine off one of the leg supports. not a problem since it's not intended to be a production run just one part. I have decided to do a little cam work in d2nc then do a little machining so I can get out in the shop more. I have a fair internet connection in there now so i'll start filming from there.
it was a good excuse to clean up the shop anyway.
steve

D2NC.com has videos showing how to use all the features, the first ones are about how to use the drawing part of d2nc, I have never used it . the later ones go into importing a dxf and all the tools and options. there are a lot more options than I'm getting into in these videos including nesting, 4th axis, text with any font, movable tabs and a lot more. I'm not a part of d2nc I just cant believe what a great tool it is for about $80. my total investment in the cad/cam software's I use the most is $80. I have used and purchased a few others but I keep coming back to emachineshop and d2nc. now if I could just get my head around something easier to use for the cnc lathes.
steve
 
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Rick Leslie

Active User
Active Member
#56
I haven't even touched on D2NC yet. I'm busy playing with Emachine, but I'll be moving to D2NC soon. Again, thanks for putting this into a format I can finally understand.
 

jumps4

Global Moderator
Staff member
Active Member
#57
In this video I show the fixture plate I have made to hold the stock in all 4 positions.
the next video will be making the g-code to mill the bottom and the machine work on the bottom.
steve


[video=youtube;GBcMjqIXSZc]
 
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jumps4

Global Moderator
Staff member
Active Member
#58
in this video I do the g-code for the bottom of the part.
steve

[video=youtube;2BF62bxICVE]
 
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jumps4

Global Moderator
Staff member
Active Member
#59
I'm machining the bottom of the part in this video, I set the inches per minute to 10 in d2nc then ran it up to twenty with mach3, that way if I'm running too fast I can hit reset and return to 10. if I entered 20 in d2nc and I'm driving too hard all I can do is try to hit stop and redo the code, hopefully before I destroy the cutter and part.
I had to start the video over because my shop heater was on the same breaker as my coolant pump and stopped. so I started the code and video from the beginning to get a good idea of the time required. the beginning is just cutting coolant.
the photographs show how it will fit on the fixture for the rest of the machining.
thanks for viewing.
steve

note: when I was trammed the mill and vise I noticed my "shars" vise leans down .005 to the right. I'm going to have to flip it over and regrind the base true. notice the feeler gauges under the right side in the photos. sheeeesh.. you cant blame your tools if you let it stay that way, once shimmed the rest of the vice checked out very good. there must have been something under it when they machined the rest of the surfaces.

[video=youtube;q-FFScuvZco]

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jumps4

Global Moderator
Staff member
Active Member
#60
I did the code for the top of the part in the beginning of this project and I used them. somehow in the code the pockets got longer. I checked the original drawing and they are the correct size, when I copied it into a blank form it got longer? I have no clue when I did it. it didn't destroy the part but it is not the exact same now.
I still have the front and back to machine
thanks for viewing
I didn't do a video on this one you could not see the part through the coolant.
steve

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