Torch raises during cut and pushes rip into the material THC pricecnc

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Chuckweb
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

FB622BB9-F5CA-424C-9FE0-B1CA29103F11.jpeg
Ok so I extracted the file but when I click on it gives me this.

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acourtjester
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by acourtjester »

Here is another try, you will need to download WinRar (free zip program) to open it, it looks like you opened it with another program.
Plasma PriceCNC AVHC10 THC zFloat 2 Les With Pierce Delay- G31 Tom's edit.zip
Plasma PriceCNC AVHC10 THC zFloat With Pierce Delay- G31 Tom's edit.zip
You can open it to a folder you know then copy and paste it to the SheetCam post folder. You will then see it on the list of SheetCam posts when you go to pick a new post.

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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by djreiswig »

That's strange. It usually imports the post when you try and run the file. It looks like it thinks it's a license file. Should be a different file extension. I think the license file is .camlic and posts should be .scpost
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by acourtjester »

To me that message is no SheetCam license has been installed, attached screenshot shows how to install a license for SheetCam.
Could it be a table sold with no license????????would not be the first time :Sad
license1.jpg

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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

Well I got it to take and fired back up. But the torch still doesn’t move when it directed to do so. I’m starting to think some is wrong with the computer. It’s a gateway with windows xp
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

No the sheet cam has the license file. I have no problem with sheetcam when working with parts. My computer is a gateway with windows xp. But the weird thing is when I test the z-axis from THC the motor just hums it doesn’t move.

But like I said everything works great with the torch height controller turned off.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

Also I’m not connected to the internet on the computer. If I install anything it’s from a thumb drive.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

Well, while cutting some stuff with the computer off all the sudden the emergency stop came on and wouldn’t go off. It was showing torch up and torch on was active. So I turn off the THC and had to restart the computer. Then it went back to normal. I really think the THC is messed up because the motors just hum when you try to test them with the pricecnc controller.

Here’s my question for you guys, if I was to buy another THC and computer tower what would you go with. And does anyone know of a good place that sells the computer already set up for cnc with Mach 3 or something.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

Meant to say with the THC on
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by robertspark »

Chuckweb wrote: Thu May 20, 2021 12:34 am Well, while cutting some stuff with the computer off all the sudden the emergency stop came on and wouldn’t go off. It was showing torch up and torch on was active. So I turn off the THC and had to restart the computer. Then it went back to normal. I really think the THC is messed up because the motors just hum when you try to test them with the pricecnc controller.

Here’s my question for you guys, if I was to buy another THC and computer tower what would you go with. And does anyone know of a good place that sells the computer already set up for cnc with Mach 3 or something.

wiring problem???

floating ground???

..... suggest maybe checking the wiring, maybe remake the connections off again....
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by acourtjester »

I have used Dell refurb computers from Overstocked.com many times, These refurb PCs are sold all over the place (they are off lease types) but what you will run into is Win 10 operating systems only no printer ports. Some have said you can put an addon printer card, but it did not work for me. I went to ether (BOB)communication link from UCCNC (UC400UTH or other models) this one will use a printer port BOB (2 actually can be connected but I used one) you will drop about $200. My new controller is LinuxCNC, boy what a learning curve but I'm getting there with help. I just converted a PC to Linuxcnc and their software is free, this also uses their own type THC and Ohmic sensor which is a big plus. You would keep you motors, drivers, and the power supplies, but the controller electronics would be a complete change out. You may be able to keep the computer and load Linuxcnc on it, but if you feel there is a problem maybe not.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

Robert I redone the wires. When I first got it I was able to test the up and down motion from the pricecnc THC controller. Now the motors just hum. They work under normal cutting with the THC controller off. But with THC on it just has a mind of its own. Sometimes at the end of a operation instead of raising up to go to the next cut it’ll push the torch into the work piece and not stop. Or it’ll move to the next operation and push the torch into the work piece or it’ll lift all the way up off the work while cutting.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by robertspark »

there is something wrong.

can you take some photos it your wiring and control cabinet and Bob.

what has me confused is why the motors hum.
the thc issues 3 signals.... up, down and ArcOk.
there is no connection between the thc and the stepper motors.....
the step and dir signals come from the bob
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

Yes I’ll take a few and them shortly. That’s what confuses me also. The bob lights up but no response to the motors other than hum. During cutting you’ll see the green light come on for either up or down, the red leds on the bob light up at the same time and the DRO says it’s moving but the ball screw does move at all.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by acourtjester »

Could you have a binding in the ball screw, with power off can you turn the motor shaft. I worked on a guy's CNC router one axis would not more, the linear rail was clogged up with wood dust. I hosed it down with WD-40 to clean it out and get it moving. The guy did not understand preventive maintenance.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

73D36A4C-3D16-4E33-B92A-5EE4796F3EC9.jpeg
83A28E5A-978D-41B3-A1EC-33A9985889D3.jpeg
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CA3DB307-EEE2-4C7E-AAFD-A1A1C1C5BB66.jpeg
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

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7728E21F-1E66-49CA-A669-15F82837A1EA.jpeg

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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

The wiring is a little messy do to the fact pulling the bob out 20 times and switching it out with a new one. It’ll be detailed and uniform once I figure out the issue.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

All of the dip switches are set the same
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by robertspark »

can you explain to me where the input wires go?

there are a couple of shared inputs that have 2 wires in them. ( eg a red and a green..... the green being. from the price thc)
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by acourtjester »

There should not be any parallel connections with the Price inputs, I think those double connections are for switch inputs (home/limit). When you say motors hum do you mean the motors for all 3 axis hum or just the Z. If a motor does not have a good connection for the dir signal it will not really move, some will quiver some will grunt. It is like which way do I go I'm confused.
price THC.JPG

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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

8A2E43B4-5017-413F-80BF-4556A41C22B5.jpeg
The green is torch ok and the micro switch for the z axis’s. I had on another port and it still did the same. I was reading another web page and this is how they wired theirs in. I cut several pieces last night with the THC off and all motors work great.
6796AF0D-89E8-46AF-88A4-B986C05C8947.jpeg
2316BD64-9B76-4D8D-80B3-93D28928A664.jpeg
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by acourtjester »

first thing are you saying the arc Ok and a limit switch are hooked together. How many inputs does the BOB have 4 or 5, the Prive unit must have 3 inputs that are not shared.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by Chuckweb »

It has 5. I had it separate the put it with the limit switch to see if there was any difference.
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Re: Torch raises during cut and pushes rip into the material THC pricecnc

Post by robertspark »

do you have a separate power supply for the price thc or do you share a power supply?

(looking at your zero volt connections in the photos)
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