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Messages - stroupe

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1
General Mach Discussion / Re: Problems saving Gcode from write wizard
« on: December 30, 2015, 10:57:01 PM »
Thats it.  I just opened mach, checked and it was set to Inc by default.  

After I create a file with the write wizard, I checked and it had changed to absolute.  

But that seems opposite of what you wrote above.  I get circles when the IJ mode is set to Inc.  Absolute works like it should.  I even changed the IJ setting back and forth a few times with the same code loaded to verify.

Thanks! Everything is working like it should now.  

2
General Mach Discussion / Re: Problems saving Gcode from write wizard
« on: December 30, 2015, 09:37:34 PM »
It turns out I was using a different font for the new engraving (helvetica).  It uses G02 and G03 where the font I was using before (monotxt) doesn't.   I added a G90.1 line to the the code generated by the write wizard, and it seems to have solved the problem.  I can now open mach and load the saved code (after adding the G90.1) and it runs properly.

What setting was the write wizard changing in mach so that it could leave the G90.1 out of the code? 

3
General Mach Discussion / Re: Problems saving Gcode from write wizard
« on: December 28, 2015, 02:53:18 PM »
Well, I didn't find the problem, but I did find a solution.   The circles do show in the tool path view, and it appears that the G02 lines were the ones that caused the circles.

When I reopen mach 3, if I go to the write wizard and just create a file of a few letters, click write so the code generates and takes me back to the program run screen.  Then close code, and open my saved engraving file, it works fine. 

So apparently the write wizard changes some default setting I have in mach3. 

4
General Mach Discussion / Problems saving Gcode from write wizard
« on: December 28, 2015, 01:06:21 PM »
Hello all.  I have been using Mach 3 for a few years, and thankfully had very few problems.  Pretty much all of the programs I wrote for machining and engraving I have been running for 2 years.  Recently, I started a new part and am having a problem. 

When I create an engraving code using the write wizard, it generates fine.   I run a test run and everything works.  However, after I save the code, close Mach 3, and restart it, I get problems when I try to run the same code.  The engraving starts out fine, but then starts going in big circles. 

Today, I created code for 1 word as a test.  Everything was fine.  Ran the code, worked fine. Saved the file.   Printed a copy of it.  Closed mach 3, then restarted.  Opened the same file and got the first few letters before it started going in big circles.  I printed a copy of this code. I closed that code, and created a new file using the wizard.  It ran fine.  I then compared the new file to the 2 printed copies and all 3 were exactly the same.

Any ideas?  I have a licensed copy if that makes a difference.

5
General Mach Discussion / Re: G-Code from image file
« on: June 06, 2013, 08:30:07 PM »
Many thanks to member Ya-Nvr-No.  Sent him the file and had the gcode back in no time.  Thanks a million!

6
General Mach Discussion / G-Code from image file
« on: June 06, 2013, 05:34:21 PM »
Is there anyone out there that would be willing to convert a logo for me?  I have a logo that I would like to engrave.  It is currently in jpeg and I would like a g-code file.  I am running mach3.  I can email the logo image file and size specifics.  I would be glad to pay a fair price for the service.  I have been unsuccessful finding a free trace program on the net.  I tried mesh cam but it did a poor job and is really designed for 3D.  The rep from mesh cam recommended inkscape but apparently their site is having problems.  At least, that's the message I got when I tried to download.

7
General Mach Discussion / Re: Need Help with Relays
« on: March 03, 2013, 10:36:00 AM »
I think that's just saying that the required trigger current is 7.5ma at 12V.  At 5 V it should be less.  It sounds like you don't have enough current to trigger the relay.  find a 5V, 1A or 2A power supply and connect it to the trigger input and it will probably work.

We stopped using SSR's a while back.  They are problematic.  They don't always work.  They usually won't work with motors that have capacitive start or any sort of built in speed control or relays/solenoids with AC coils. 

Would you recommend a different type of relay?

8
General Mach Discussion / Re: Need Help with Relays
« on: March 02, 2013, 07:52:31 PM »
I just looked at the spec sheet again for this relay.  If I understand it, it takes 3V to keep the relay on, but needs 12V for the initial trigger.  Is this correct?  Guess I need to shop for relays again  :(

Input Data                              
Operating Voltage    3~32VDC
Min. ON / OFF Voltage    ON > 2.4V , OFF < 1.0V
Trigger Current    7.5mA / 12V
Control Method    Zero Cross Trigger

9
General Mach Discussion / Re: Need Help with Relays
« on: March 02, 2013, 06:30:24 PM »
I have verified I am getting 5 volts to the relay when I toggle in mach3.  There is a little LED on the relay that lights as well, but it's very dim with the 5 volts.   I was hoping I could increase this voltage to avoid replacing the relays. 

10
General Mach Discussion / Need Help with Relays
« on: March 02, 2013, 06:11:51 PM »
I have searched and read for hours, but can't find a solution to my problem.  Hopefully someone can help. 

I am new to CNC and everything has been going good.  I recently decided to utilize 2 SSR's to control my spindle and flood coolant.  I only want to turn the spindle on and off, not control the speed. 

I wired the relays according to several diagrams I found.  Using a 12V battery, they function as they should.

I have a camtronics box with 2 relay outputs connected to pins 16 and 17.

I have configured everything and can toggle the spindle/coolant outputs and get 5 volts.

Now the problem.  Even though the relays are rated to trip as low as 3V, they are not tripping with 5V.  Connect them to a 12V battery and they trip like they should.

Is there a way to increase the output voltage of these pins?
 

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