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Cam DIY - CAD/CAM designs?
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chigori


Apr 27, 2009, 8:02 AM
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Cam DIY - CAD/CAM designs?
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Like some of you, I would like to design (or at least produce) my own cams.

For that I'm looking if there are any CAD (or CAM) models that I could download to start from.

Any info to get me going on the 3D part would be appreciated!


kennoyce


Apr 27, 2009, 8:10 AM
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Re: [chigori] Cam DIY - CAD/CAM designs? [In reply to]
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Sorry to have to tell you this, but you will have to design your own cams if you want any modles. I find solidworks to be the easiest software to use, but its quite expensive. I have heard that inventor is a good program by autocad, but I've never used it.

good luck and have fun.


adatesman


Apr 27, 2009, 11:30 AM
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chigori


Apr 27, 2009, 1:50 PM
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thanks for the replies and adatesman, thanks for the model.

I'll do like you said, I'll go through the
3d design process myself. I think it's better that I know the data and physics behind it anyways.

adatesman, if you don't mind. When I get closer to the end, maybe I would like to pick your brain on some stuff and get you to validate some things before I send it over for manufacturing.


adatesman


Apr 27, 2009, 2:20 PM
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rschap


Apr 27, 2009, 7:06 PM
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I made an excel spread sheet for the X,Y. I use this for the base and then scale it in Auto Cadd.

Iíd like to see your set up on that mill Adatesman, Iíve been considering doing that myself.



Edit: I forgot I could attach it.


(This post was edited by rschap on Apr 27, 2009, 7:10 PM)
Attachments: Logrithmic spiral II.xlsx (18.2 KB)


adatesman


Apr 27, 2009, 8:17 PM
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Rudmin


Apr 28, 2009, 8:15 AM
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Is there any way to build a jig to mill a camming surface on a non-CNC mill?


adatesman


Apr 28, 2009, 9:28 AM
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rschap


Apr 28, 2009, 4:19 PM
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If youíre doing repeats, another way to do it would be to cut one from wood, get the exact shape you want and then use a router with a flushing bit. I would rough cut it on the band saw first. Make sure you get a quality carbide bits and not one of those cheapies. Iíve met some pretty skilled machinist that can do curves on a conventional but itís not easy.


atlnq9


Apr 28, 2009, 4:26 PM
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adatesman wrote:
There's specs in a thread here somewhere, but my mill is a Taig 2019ER-CR

We have two of the cnc taig mills here at school that are used for machining mini tensile and fatigue samples. (we are talking 1mm gauge length) Very nice little machines, I have done some titanium and steel on them. I only wish they would let me use them for personal projects. But then I know nothing about the modeling and g-code stuff...


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