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Messages - Bobo

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Actually Jim stopped by to check out my set up. Great guy. THC is working great now.

Thx much.

Seems to be working now.

Thanks a bunch.

Wow!!! I hope it's that simple.

I'll try it tonight.

Here ya go.

Thanks much.

Please forgive my ignorance.

You mean the acceleration rate of the z axis or the Z speed correction factor?

I emailed Jim Cullins about this issue also. The last thing Jim had me do is add a grounding rod near the table and ground the plasma chassis and table with a 1 inch copper strap.

The problem is consistent. The THC300 sends up and down signals to Mach3 and Mach3 thinks it's moving the z axis, according to the DROs and It will quickly get to the maximum correction of +/- 1.000 inches, but when I physically measure the z on the table it is unchanged or at least no where near 1 inch of change.

The software and table function fine as a 3 axis mill including the z axis and I can plasma cut parts all day long without the THC as long as my material is flat.

Below is the simple GCode I'm using for testing.

N0030 G20 (Units: Inches)
N0040 G53 G90 G40
N150 M3
N200 G1 Y20 F90
N300 M5
N310 M30

Thx for any help.

General Mach Discussion / Re: Success Story with Mach3
« on: October 02, 2006, 01:02:50 PM »

General Mach Discussion / Re: Success Story with Mach3
« on: September 28, 2006, 12:49:48 PM »
Forgot a plug for Gecko Drives and transformertechnology.com. Everybody has been very helpfull. I blew up a Gecko drive like a firecracker and I also misswired and fried a Breakboard from Bob Campbell. Both companies replaced the components free of charge knowing it was my fault. I'm a mechanical guy, electronics is not my obviously not my forte. The sparkies here at work make fun of me cause I've been known to shock myself.

General Mach Discussion / Success Story with Mach3
« on: September 28, 2006, 11:18:24 AM »
Since I've only posted about some small issues I've had setting up my home built plasma cutter, I'd just like to post how happy I am with the Mach3 software. Best $150 dollars I ever spent. You can see some samples of the parts off my table at http://www.hausmetalworks.com/page3.html. Also very happy with the steppers, breakout board and THC300 purchased from www.campbelldesigns.com. You can see some pics of my table in the Show & Tell section. http://www.machsupport.com/forum/index.php?topic=690.0

So far this is just a side business but I have no doubt I'll probably be doing it full time in the near future.

Great Software.

Thanks for the support.

Bill H.

General Mach Discussion / Mach3 sometimes doesnt move with THC on
« on: September 18, 2006, 10:27:20 PM »
I'm having some trouble getting my THC300 working consistently. Many times directly after the arc fires with the m3 command Mach3 will not continue with the program even though I get an Arc OK inside Mach3 and on the THC300 controller. I'm sure it's probably something in my profile. I am testing with a very simple straight line cut.

N0030 G20 (Units: Inches)
N0040 G53 G90 G40
N150 M3
N200 G1 Y48 F100
N300 M5
N310 M30

M3 is just DoSpinCW() and I have my metal on a slight slant to test. Sometimes it works well and other times Mach3 will not move on to line no N200 but I can see the z axis changing from the THC. I am using no dwell.

Thanks for any help.

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