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How do I set up Sheetcam to start the pierce on the first cut where I position the torch

Post your questions or tips on SheetCam software in this topic.
Searchman
Posts: 198
Joined: Tue Aug 18, 2015 11:30 am

How do I set up Sheetcam to start the pierce on the first cut where I position the torch

Postby Searchman » Thu Jun 07, 2018 10:11 pm

When I position the torch where I would like to start my 1st cut it all-ways moves about 3 inches to the right before it makes the 1st pierce. Is there a setting in Sheetcam that will program the cut to start exactly where I position it on the material?

djreiswig
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Joined: Thu Nov 19, 2015 10:02 pm

Re: How do I set up Sheetcam to start the pierce on the first cut where I position the torch

Postby djreiswig » Thu Jun 07, 2018 10:29 pm

You have to position the start point on the part at 0,0 in the SheetCam screen and then zero your table x,y where you position your torch and it will start where the torch is.
2014 Bulltear (StarLab) 4x8
C&CNC EtherCut
Mach3, SheetCam, Draftsight
Hypertherm PM65
Oxy/Acetylene Flame Torch
Pneumatic Plate Marker, Ohmic, 10 inch Rotary Chuck (in progress)

beefy
Posts: 1304
Joined: Fri Jan 18, 2013 3:19 am

Re: How do I set up Sheetcam to start the pierce on the first cut where I position the torch

Postby beefy » Thu Jun 07, 2018 10:36 pm

Not sure exactly what you are doing so I'll just explain how I do things.

In Sheetcam I have my origin set to the lower left of the sheet, so basically when you put a sheet of metal on the table, you can align your torch over the lower left corner of your sheet and zero your work co-ordinates at that point.
And in Sheetcam if you move your mouse to the lower left corner of the sheet, you should see the X and Y coords at the bottom of the screen go to zero too.

Then the gcode that Sheetcam generates is relative to that bottom left corner, i.e. if the gcode said X100, Y100 the torch would go +100 in the X direction from the plate lower left corner, and +100 in the Y direction from the lower left corner.

Once you've zeroed your torch to the lower left corner of the sheet (i.e. on the table) it won't even matter if you jog your torch miles away from that position. Once your gcode starts it will move to the correct place and start the cut.

Remember, Sheetcam generates the gcode that tells the table exactly what to do. The only thing you have to do with the table is tell it where the work zero position is (i.e. how can the torch move to say X20, Y50 if it doesn't know where the origin point is). After that the table simply does whatever the gcode is telling it to do.

That's really all there is to it.

Keith.
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Powermax 1250 with Duramax torch
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Sheetcam
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