Brendon Tait wrote: > I know several people have started on it, but am wondering if anyone has > successfully been able to integrate EMC to control a similar arm. How > difficult is it to do? I'm looking at buying a PUMA arm would like to use > it to carve up foam and maybe wood, will probably end up wanting to add a > rail or a turntable. To do some larger works. > It has been done, but I can't tell you who has a running SCARA robot under EMC, but I'll bet there is somebody who has one. > Can EMC run as a proper 6 axis controller - ie tilt the milling head to get > under ledges? Can one assume it will be clever enough to not whack part of > the robot arm through part of the machined block, or does it only know where > the cutting head is? > No, that is the job of the CAM program or programmer. The CNC control moves the machine's axes as commanded by the G-code program. This gets a bit more complicated with SCARA-style machines as there are several configurations for getting the end effector to the same position, and some of them may interfere with other structures. I don't know how you instruct the CAM and/or CNC to deal with that. > I know I dont ask much, but I would also like to incorperate an analog > industrial laser distance meter to the end of the arm enable me to scan 3d > object - maybe when it's sitting on a rotary table - is anyone able to shed > any light on doing this also? > If the laser can provide a simulated quadrature encoder, this might be fairly easy. If it provides some parallel, USB or other data format, then the first problem is just interfacing it to the computer, then you can worry about interfacing it to EMC.
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