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Messages - jdfromPA

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1
General Mach Discussion / Re: Basic questions
« on: September 04, 2006, 04:03:22 PM »
Garyv,
Be careful if you plan on flame polishing acrylic edges with a propane torch. It is very tricky to get a nice polished edge without bubbling the acrylic, but it is possible to do.  I have tried it so many times and It always bubbles on me. It's from the impurities in propane, but if you use a hydrogen/oxygen torch that gives you the best polished edge. No impuriteis in the gas causing bubbles. You can also polish edges with a buffing wheel that turn out nicely.

2
I was just curious if anyone needed some CAD drawings made and that would be interested in maching some acrylic parts for me in exchange for the drawings. I can draw 2d or 3d model.

Thanks

3
General Mach Discussion / Re: Basic questions
« on: September 03, 2006, 11:22:40 AM »

I work with 1/4" thick small pieces of acrylic/plexiglass and I'm looking to get a small cnc machine. I see these Taig 4 axis models selling on ebay for around $2,000 and I'm thinking about getting one. Has anyone heard anything good or bad about them or do you recommend any type of small machine that would only cost a couple of grand?



Thank you so much for the help.

4
General Mach Discussion / Re: Basic questions
« on: September 02, 2006, 04:28:09 PM »
If I'm correct CNC will works like this.  I create an AutocAD drawing save it as a .dxf file, open with LazyCAM then Mach 3 will write the Gcode from the lazyCam file.   Is this correct.



Thanks for the help.

5
General Mach Discussion / Basic questions
« on: September 01, 2006, 08:53:06 PM »
Hello all,
This is new to me and I have a couple of questions.

1) What are the recommended PC operating system requirements to run Mach 3?

2) Will Mach 3 accept AutoCad drawings?

Any help would be greatly appreciated. I'm new to CNC but I've been doing CAD for a long time and i'm looking to set up a CNC mill.

Thnaks

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