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Topics - janak

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1
Video P*r*o*b*i*n*g / how 3d video scan works??
« on: June 09, 2013, 03:37:09 PM »
hi,
sorry if my question sounds stupid,
*but how does 3d scanning works with simple webcam and laser pointer??
*what is the accuracy of such scanner?
*and how exactly to make such scanner?

I've downloaded 3d scanner plugin, I have mounted a webcam on my machine, and I suppose I need to buy a laser pointer, which I will, but what next???
thanx in advance.

2
General Mach Discussion / fastest way to drill.
« on: March 18, 2013, 03:23:28 PM »
hi all.
I have around 200 points to drill. I need them to drill as fast as possible. but no meter what feed I give it always takes same time. let me explain.
I have 200 points with 0.5 mm gap between them. my z axis retract is set to 0.5 mm. feed set to 2000 mm/m. all motors are set to 2000 mm/m velocity with 1800 mm/s acceleration. but it took around 3 minutes.
then putting mach3 into offline mode, I changed motor velocity to 10000 mm/m with acceleration to 10000 mm/s. and feed also kept 10000 in my drilling gcode. still mach3 completed program in same old 3 minutes. why it didn't completed program much earlier even after increasing feed, velocity, acceleration 5 times.
plz help.

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