What control software are you using?
And why can't you home?
Hello,
I'm making a cnc machine that can write. for that i'm using gcode and cambam.i have limit switches on my X and Y axis but not on my Z. I can't add switches there but now i can't home anymore because of that. Do you guys know how can can home without the Z-axis?
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What control software are you using?
And why can't you home?
Gerry
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I'm using universal gcode sender for controlling the machine and Cambam for drawing things.When i press the homebutton he searches for the switches so that he knows where he is but my Z-axis has no hard limits, because of that he's stuck in homing because he can't find a switch and i can't add switches on my Z-axis.(srry if my English is not that good).
Wire the X home switch to the Z home input also. That way when the X homes, the controller will think that the Z has homed also.
Hi guys I'm trying to use a macro called m300 for my z axis for plasma and downloaded it here.. Plasma - detection of material I'm using mach3 for Cnc and sheetcam for nestings
This is the m300 macro
HeightOfDetect = 20
SpeedOfDetect = 300
Offset = 5
HeightOfTransfer = 2
HeightOfPierce = 5
HeightOfCut = 1
Delay = Param1()
Dim MaterialPos As Double
If (GetOEMDro(186)>HeightOfDetect) Or GetOEMDro(186) Then
code "G00 Z" & HeightOfDetect
While IsMoving()
Wend
End If
message("Detecting of material pos.")
code "G31 Z-10 F" & SpeedOfDetect
While IsMoving()
Wend
If GetOEMDro(186)=-10 Then
message("No material detected")
code "G00 Z" & HeightOfDetect
While IsMoving()
Wend
1: GoTo 1
Else
MaterialPos = GetOEMDro(186) + offset
message("Material detected pos = " & MaterialPos)
code "G00 Z" & MaterialPos + HeightOfTransfer
While IsMoving()
Wend
DoSpinCW()
If Delay>200 Then
code "G00 Z" & MaterialPos + HeightOfPierce
While IsMoving()
Wend
End If
Sleep(Delay+1)
code "G00 Z" & MaterialPos + HeightOfCut
While IsMoving()
Wend
End If
The m300s job is to lower the to torch till the tip touches the metal and closes a micro switch to zero it then reverses back up and opens the micro switch to reverse further up to a curtain distance before firing the plasma
Before I do a test run of the m300 I need to manually zero the z axis in mach3
I'm trying to add the m300 to the post processor of sheetcam so that I can create a g code from my nestings to call in mach3 to perform the m300 in it.
I have added the m300 macro to the macro directory in mach3
My questions are
1)How and where do I add the m300 macro to sheetcam post processor?
2) Are there codes that need to be removed from the sheetcam post processor?
3) is there a code to zero the z axis after the m300 automatically?
This is the only problem I have before building my Cnc table ,help will be highly appreciated.
Thanx
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