Using Spotting with Sheetcam

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21 Jul 2020 18:39 #175358 by Clive S
I am going to try spotting some hole with sheetcan and PlasmaC.

In sheetcam I made a tool number 2 and ran the post then in the gcode it looks OK with the parameters the same as in the manual.

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?

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21 Jul 2020 20:28 #175359 by rodw
Replied by rodw on topic Using Spotting with Sheetcam

I am going to try spotting some hole with sheetcan and PlasmaC.

In sheetcam I made a tool number 2 and ran the post then in the gcode it looks OK with the parameters the same as in the manual.

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?


No thats for scribing. Just make a tool in Sheetcam called CENTRE SPOT and do a drilling operation with it.
Our grammatically challenged members not familiar with the Queen's English may use the more vulgar term CENTER SPOT :) :)
The following user(s) said Thank You: Clive S

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21 Jul 2020 21:36 #175361 by Clive S

I am going to try spotting some hole with sheetcan and PlasmaC.

In sheetcam I made a tool number 2 and ran the post then in the gcode it looks OK with the parameters the same as in the manual.

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?


No thats for scribing. Just make a tool in Sheetcam called CENTRE SPOT and do a drilling operation with it.
Our grammatically challenged members not familiar with the Queen's English may use the more vulgar term CENTER SPOT :) :)


Thanks Rod, This is the gcode just for a test . The test_1 is with the rotary tool and test_2 is when renamed the tool to centre spot.

Would you mind confirming if " test_2 is correct "


File Attachment:

File Name: test_spot_1.txt
File Size:2 KB

File Attachment:

File Name: test_spot_2.txt
File Size:2 KB
Attachments:

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21 Jul 2020 23:05 #175363 by phillc54
If using the PlasmaC.scpost then there two methods of spotting:

1. You can use the CENTRE SPOT (CENTER SPOT) tool - you need to ensure that you made the leadin for a circle start at the centre as the spot is made at the start of the leadin.

2. You can use a drill operation using any tool.

The code looks OK assuming the spots are in the correct place.

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22 Jul 2020 10:08 #175377 by Clive S

If using the PlasmaC.scpost then there two methods of spotting:

1. You can use the CENTRE SPOT (CENTER SPOT) tool - you need to ensure that you made the leadin for a circle start at the centre as the spot is made at the start of the leadin.

2. You can use a drill operation using any tool.

The code looks OK assuming the spots are in the correct place.


With the code above the torch does not fire. What am I missing?

Looking in the Lcnc tool table I see only 2 tools 0 and 1

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?

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22 Jul 2020 10:12 #175378 by snowgoer540

If using the PlasmaC.scpost then there two methods of spotting:

1. You can use the CENTRE SPOT (CENTER SPOT) tool - you need to ensure that you made the leadin for a circle start at the centre as the spot is made at the start of the leadin.

2. You can use a drill operation using any tool.

The code looks OK assuming the spots are in the correct place.


With the code above the torch does not fire. What am I missing?

Looking in the Lcnc tool table I see only 2 tools 0 and 1

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?


Did you enable the multiple tools in the <machine_name>_connections.hal?

Change
setp plasmac.multi-tool 0
to
setp plasmac.multi-tool 1

Yes, the offsets for the scribe tool are handled in the linuxcnc tool table. You can change it by editing the tool.tbl file in the <machine_name> folder.

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22 Jul 2020 10:13 - 22 Jul 2020 10:16 #175379 by Clive S

If using the PlasmaC.scpost then there two methods of spotting:

1. You can use the CENTRE SPOT (CENTER SPOT) tool - you need to ensure that you made the leadin for a circle start at the centre as the spot is made at the start of the leadin.

2. You can use a drill operation using any tool.

The code looks OK assuming the spots are in the correct place.


With the code above the torch does not fire. What am I missing?

Looking in the Lcnc tool table I see only 2 tools 0 and 1

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?


Did you enable the multiple tools in the <machine_name>_connections.hal?

Change
setp plasmac.multi-tool 0
to
setp plasmac.multi-tool 1

Yes, the offsets for the scribe tool are handled in the linuxcnc tool table. You can change it by editing the tool.tbl file in the <machine_name> folder.


Yes I have setp plasmac.multi-tool 1

Edit I looked in the tool table there is only 2 tools But I can't edit it as it is a sim link
Last edit: 22 Jul 2020 10:16 by Clive S.

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22 Jul 2020 10:13 #175380 by phillc54

If using the PlasmaC.scpost then there two methods of spotting:

1. You can use the CENTRE SPOT (CENTER SPOT) tool - you need to ensure that you made the leadin for a circle start at the centre as the spot is made at the start of the leadin.

2. You can use a drill operation using any tool.

The code looks OK assuming the spots are in the correct place.


With the code above the torch does not fire. What am I missing?

Looking in the Lcnc tool table I see only 2 tools 0 and 1

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?

LinuxCNC tool #0 is the torch and toll #1 is the scribe (if you have one) Spotting uses tool #0

Do you have multi tool enabled in your <machine_name>_connections.hal

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22 Jul 2020 10:18 #175381 by snowgoer540

If using the PlasmaC.scpost then there two methods of spotting:

1. You can use the CENTRE SPOT (CENTER SPOT) tool - you need to ensure that you made the leadin for a circle start at the centre as the spot is made at the start of the leadin.

2. You can use a drill operation using any tool.

The code looks OK assuming the spots are in the correct place.


With the code above the torch does not fire. What am I missing?

Looking in the Lcnc tool table I see only 2 tools 0 and 1

I think I may have read somewhere that you need to have the tool number in the linuxcnc tool table is that correct?


Did you enable the multiple tools in the <machine_name>_connections.hal?

Change
setp plasmac.multi-tool 0
to
setp plasmac.multi-tool 1

Yes, the offsets for the scribe tool are handled in the linuxcnc tool table. You can change it by editing the tool.tbl file in the <machine_name> folder.


Yes I have setp plasmac.multi-tool 1

Edit I looked in the tool table there is only 2 tools But I can't edit it as it is a sim link


You shouldnt have to anyways, I apologize, I read scribe (theres still coffee to be drank in the pot), for spotting as Phill said, it uses the same offset as the torch.

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22 Jul 2020 10:19 #175382 by phillc54
Have you set the threshold volts and delay time in the config panel.

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