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(Guest)    J&C Studios O Gauge Archive    Technology Modeling    CNC Created Structures
 
 
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Topic: CNC Created Structures
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ChiloquinRuss
Joined: Oct 24, 2012
Topics: 10   Replies: 50
posted on Feb 23, 2014 04:39 PM:
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Here's some examples of CNC created structures made for an ON30 oscale layout. Many more to come and I will cross post some of these in the structures threads. Russ

The parts:




The assembly:




The structure:


 

   

JohnBoy
Joined: May 14, 2008
Topics: 81   Replies: 508
posted on Feb 26, 2014 09:22 AM:
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Russ - sorry for all my questions, but I want to learn as much as I can from your techniques.

Is this particular one from laser-cut parts? Or is this a different kind of CNC process, like a CNC router? Also - is that styrene?

Great results and a nice structure - thanks especially for showing the parts laid out right after fabrication, that helps to see how you're designing these things. Cool stuff.

Thanks,

John
 

   

ChiloquinRuss
Joined: Oct 24, 2012
Topics: 10   Replies: 50
posted on Feb 26, 2014 10:15 AM:
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No problem with the questions. I use a cnc WOOD router that is really more at home doing 4 x 8 sheets of plywood. The black material is called sintra and it is a sheet form of pvc plastic. It is usually used in the sign business for raised letters etc,. The neat part is the glue is just plain ol' pvc glue from the hardware store. It cuts really well and almost any kind of paint will work. I just use rattlecans. I don't have any pix of the machine with plastic on it but here are some with pywood on it and then a pix or two of some structures made for the live steam hobby, 1/8th scale. Russ




















 

   

ChiloquinRuss
Joined: Oct 24, 2012
Topics: 10   Replies: 50
posted on Feb 26, 2014 10:31 AM:
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There are some tricks you can play when doing the design for the cnc machine. These tricks take a lot of the work out of the process. Here is an example using the sidewall from the station shown above.

The design:




The recessed areas:




The openings:




The scribing:




All the processes together:




The finishing pieces added to the routed out side:




At the train park:


 

   

JohnBoy
Joined: May 14, 2008
Topics: 81   Replies: 508
posted on Feb 27, 2014 08:35 AM:
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Spectacular Russ. It really helps to see the in progress photos as well. I've done a lot over the years with CNC laser-cutting of styrene plastic, including my URL=http://www.jcstudiosinc.com/OScaleWashingtonUnionStation]Union Station/URL] project and several others. I will go and cross-reference them into this category soon.

CNC laser-cutting enabled me to create things with great precision and ease, and to achieve modeling results I would not be able to do by my own hand. I imagine CNC routering and vinyl cutting would be just as interesting, and the results you've shared with us here show how well it works.

Good stuff!

John
 

   





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