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Messages - BluePinnacle

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181
General Mach Discussion / Re: Auto Router On With Cycle Start
« on: September 10, 2009, 07:41:06 AM »
Sounds like a good plan :)

If you want to dry-run a program you'll need a lockout of some kind to disable the feed hold though. Shouldn't be hard to do.

182
General Mach Discussion / Re: Auto Router On With Cycle Start
« on: September 09, 2009, 01:44:03 PM »
I've got a nice spindle safety circuit. It disables the spindle if it is switched off, but importantly it can't turn the spindle on if it is released onto an otherwise "started" spindle; ie it can't ever be used to activate the spindle. Only M3 can start it. if M3 is called when the safety is "safe" then after it is released M5 must be called, and m3 called to start rotation. I don't have a circuit diagram but you can make it with two relays and a 2-way switch. Let me know if you can't see how and I'll draw up a circuit for you.

I don't think I'd allow a spindle to start off anything other than M3 or M4, it's just asking for trouble tbh. Careful ;)

183
General Mach Discussion / Re: Different use of Mach3 (dispensing)
« on: September 09, 2009, 09:54:44 AM »
One of these is the answer: http://en.wikipedia.org/wiki/Peristaltic_pump

just replace the hose when it is knackered. Not hard to build or buy.

184
 ;D

Very nice! well done, that's some good careful work. Stick at the coding, it's the key to success in here. it's better than my first creation, it was a chunk of angle with a carbide cutter snapped off in the top. Didn't keep it, lol.

185
General Mach Discussion / limited lines query
« on: September 07, 2009, 06:29:07 PM »
Hi. Probably a short answer to this one. If a licensed copy of mach is limited to 10,000,000 lines, does this mean ten million lines of code as written or ten million lines of code as executed? If I set a subroutine of 10 lines to execute 1,000,000 times, would this crash it, or would it just see ten lines over and over again?

not that this is ever likely to bother me as I haven't written anything bigger than a Kilobyte :)

186
General Mach Discussion / Re: Different use of Mach3 (dispensing)
« on: September 07, 2009, 07:44:30 AM »
I'm sure we could dream up a couple of lines of code here, or write a quick macro. What level of complexity to you expect to need?

187
General Mach Discussion / Re: Different use of Mach3 (dispensing)
« on: September 07, 2009, 02:33:29 AM »
Similar train of thought - In this case using Z as the control for pumping, but you'd have to get the (fixed) Z value to translate to a continuous pumping motion. My reasoning for using the spindle control is that it's already set up to handle this sort of motion and can be easily ordered to spin (or pump) at a fixed or variable rate.

188
General Mach Discussion / Re: Do i need a bigger pc for mach..
« on: September 06, 2009, 07:24:50 PM »
Wouldn't think that was it, G64 puts it explicitly in CV mode. :( Wierd, all round.

189
General Mach Discussion / Re: Do i need a bigger pc for mach..
« on: September 06, 2009, 05:42:48 PM »
Thought it might have been a bit obvious. Unless the code itself is overriding Mach3's settings with a G61 command at the top? Apart from that I'm stumped.

190
General Mach Discussion / Re: Do i need a bigger pc for mach..
« on: September 05, 2009, 08:05:52 PM »
Good point, is the code setting the machine into exact stop mode? that would cause juddering. Constant velocity mode is a lot smoother.

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