HAVE YOU RECEIVED UNSOLICITED EMAILS SUPPOSEDLY FROM THIS SITE? PLEASE READ! Some spammers have launched e-mail campaigns that look like messages sent by XMLCreate.com We, like many others, are the victims of spammers who are forging/faking/spoofing email addresses with our domain name xmlcreate.com. It is totally beyond our control, and we regret very much that we cannot stop it. We have nothing to do with such spam, which is a misrepresentation of our good name. We do not send, and have never sent, spam email of any sort. In fact, we strongly oppose the act of "spamming" or sending unsolicited commercial email (UCE). If you have received such spam email we are sorry, but emphasize that it was nothing to do with us and was beyond our control. If you would like to help find and prosecute those responsible for
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which describes how to find the actual sender of the message. You can
then submit a complaint to the originating ISP, as well as the US Federal
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there is a good page by UXN Spam Combat that details how to submit
effective spam complaints located at http://combat.uxn.com/complaining.html. They
also have some good tools for decoding who the sender is at http://combat.uxn.com/index.html. |
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In the early web days this site was known as Wahoo's CAD/CAM Page and was hosted at neca.com. Wahoo's CAD/CAM Page was one of the first devoted to CAD/CAM and CNC Machining. Much of what is here now is a rewrite (yes, all was lost while I worked for CAD/CAM developers, etc.) and updated version of the most frequently visited pages from the old site. XMLCreate by Wahoo Software
creates custom software, web forms, and applications written in
XML, Java, JavaScript, C, and C++ to fit any need. We specialize
in the CAD/CAM
industry with over 15 years experience in this field. |
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CADCAM Workshop: Todays topic: Solid Modeling Links to CAD/CAM Systems: Other Sites: CADCAM
WORLD CAD/CAM Related Utilities: |
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UPCOMING TRADE SHOWS 2001 EMO Hannover, Germany Sept. 12-19 LOBOS Industrial Show 2001 Baton Rouge, LA Industrial Show Riverside Centroplex Baton Rouge, LA Sept. 19-20 RTMA Tool Show Rochester Riverside Convention Center, Rochester NY Sept. 25-27 2001 SPE Annual Technical Conference and Exhibition New Orleans, LA Sept. 30-Oct. 3 Wisconsin Manufacturing Expo Milwaukee State Fairgrounds Oct. 2 - 4 Mid-Atlantic Machine Tool Show Fort Washington Expo Center, Fort Washington Oct. 2 - 4 SEMICON Southwest 2001 Austin Convention Center Austin, TX Oct.16 - 17 Dallas Advanced Productivity Exposition (APEX - SME Tool Show) Dallas Market Center Dallas, TX Oct. 30- Nov. 1 NEPCON SHOW 2001 -Dallas Dallas Convention Center Dallas, TX Nov. 14-15, 2001 |
FROM THE OUTHOUSE "From the Outhouse", this is where I get to talk about whatever I want to talk about. Hey, it's my page... There's an ongoing issue in the CAD/CAM/CNC newsgroup lately having to do with developable and non-developable surfaces. So, what is a developable surface? Basically, it is any surface that can created from a shaped flat plane without stretching it, creasing it, or tearing it. Think of the surface as if built from a piece of sheet metal. Could you create the surface shape by bending, twisting, and/or flattening a piece of sheet metal without having to stretch or tear the sheet? If you answer yes, then it is a developable surface. If you can't create the surface shape without streching, creasing, or tearing, it's a non-developable surface. Simple developable surface types are cones, cylinders, swept surfaces and the like. As long as you keep multiple developable surfaces tangent to each other, the group remains developable. What's the big deal? As long as the part designer creates the part with developable surfaces and keeps the group tangent, the thoery is that the part can be manufactured easier and more likely gouge free easier than using non-developable surfaces. Perhaps more importantly, developable surfaces can be mapped, or unwrapped, back into a plane for advanced machining applications such as 5 axis simultaneous machining or applications requiring a rotary axis substitution for a linear axis. Recent advances in developable surface mathamatics (most notably by Helmut Pottmann) is having a major impact in NURB surface definition technology available to CAD and CAD/CAM developers. Much of the arguement focuses on whether the CAD/CAM companies who have not already done so will revamp their older surfacing methods to implement the benefits of developable surface techniques. My guess is that the work required to do so for the long established CAD/CAM companies with legacy databases will take them several years to catch up. -Wahoo |
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