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Messages - Chaoticone

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271
General Mach Discussion / Re: Spindle orientation on a Bridgeport...
« on: February 21, 2018, 08:10:18 AM »
I'm pretty sure the Hurco did a slow run of the spindle then killed the spindle (will free wheel for a little bit). After killing the spindle and some set time it would trigger the shot pin. When the spindle coasted into position so that the shot pin and hole lined up it would bring the spindle to a stop at the correct position. After tool was changed, shot pin would retract. Be sure to think about fail safes if you go this route. Shot pin would ideally be gravity return. I would also want to be able to check that the shot pin is at home position before continuing.

272
General Mach Discussion / Re: Spindle orientation on a Bridgeport...
« on: February 21, 2018, 07:42:54 AM »
Not sure how you will line it up accurately enough without mechanical or electrical control capable of the required accuracy.

I have a Hurco with a BT 30 I was hoping to get going one day. I was going to drive the spindle with a servo and use the homing in the drive to orient the spindle for tool changes. Originally it used a shot pin.

273
Mach4 General Discussion / Re: Home Signal
« on: February 21, 2018, 07:25:41 AM »
OK, thanks Craig. I thought is was throwing an error.

Quote
Trying to stop the PMDX411 from throwing an 'C axis homing tripped' error message every revolution when using the spindle as a spindle.

I'll see what I can find out (hopefully today) about this.

274
Mach4 General Discussion / Re: Home Signal
« on: February 21, 2018, 01:17:50 AM »
Do you have the home switch signal also assigned as a limit switch or something else? I thought home switches were only recognized during a homing routine. The signal may still be seen in Mach but shouldn't throw an error I don't think.

275
Mach4 General Discussion / Re: Entering Pulley Ratio in Mach4
« on: February 20, 2018, 06:29:10 PM »
Have you configured the modbus plugin in Mach4 to communicate with your VFD?

276
Mach4 General Discussion / Re: Entering Pulley Ratio in Mach4
« on: February 19, 2018, 05:29:24 PM »
Have you ever been able to change the spindle speed by changing the S rate in Mach (3 or 4)?

If so how is Mach communicating with the VFD so it can control the speed?

277
Mach4 General Discussion / Re: Lua programming of voltage meter
« on: February 19, 2018, 11:06:45 AM »
 :)

278
Mach4 General Discussion / Re: Entering Pulley Ratio in Mach4
« on: February 19, 2018, 10:50:31 AM »
Quote
I did follow the Mach4 manual but the confusion arises when something doesn't work and your trying to figure out why and you revert to see how you did it in Mach 4.

I think you meant "how you did it in Mach3" didn't you?

But yes, looking at how Mach3 did something to try to figure out how Mach4 does something often only leads to more confusion. Working with Mach4 is much easier when not comparing it to Mach3. They are different so they work different and do things differently. And the same would be true if using any other controller. Your time is far better spent learning how your hardware works. Once you understand how the hardware works setting up any controller is much easier.

What hardware are you using to vary the speed of the spindle?  

279
Mach4 General Discussion / Re: Lua programming of voltage meter
« on: February 19, 2018, 10:20:08 AM »
No problem toggling a LED here.

You want to set it to 1 or 0

Code: [Select]
local TestState = scr.GetProperty("ledTest1", "Value")

if TestState == "1" then
scr.SetProperty("ledTest1", "Value", "0")
else
scr.SetProperty("ledTest1", "Value", "1")
end

280
Mach4 General Discussion / Re: Entering Pulley Ratio in Mach4
« on: February 17, 2018, 08:11:24 PM »
Feedback ratio is for confirmation. Maybe you have an encoder for this with 1200 pulses per rev. Well, Mach can't determine the feedback ratio because it doesn't know what the feedback is reading, drive or driven or how many times it reads per rev., etc. ...... so you have to tell it.

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