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June 16, 2016 21:25
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Use this to zero the z-axis when using Mach3 and a Chinese 3020 CNC. Follow instructions at http://www.instructables.com/id/Mach3-Zero-Probe-Tool/
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| 'VB Code Start | |
| '------------------- | |
| CurrentFeed = GetOemDRO(818) | |
| DoSpinStop() | |
| ZMove = 20.00 'Total lenght of Probe to move before Stop or no Contact Made. | |
| ZOffset = 1.60 ' Plate Hight | |
| ZSal = ZOffset + 2.00 '+ Free Hight, Will possition the Proble 2 MM over the Material. | |
| StopZmove = 0 | |
| If GetOemLed (825)=0 Then | |
| DoOEMButton (1010) | |
| Code "G4 P2.5" | |
| Code "G31 Z-"& ZMove & "F25" | |
| While IsMoving() | |
| Sleep(200) | |
| Wend | |
| Probepos = GetVar(2002) | |
| If Probepos = - ZMove Then | |
| responce = MsgBox ("**ERROR** " , 4 , "Probe **ERROR**" ) | |
| Code "G0 Z10" | |
| StopZmove = 1 | |
| Code "F" &CurrentFeed | |
| End If | |
| If StopZmove = 0 Then | |
| Code "G0 Z" & Probepos | |
| While IsMoving () | |
| Sleep (200) | |
| Wend | |
| Call SetDro (2, ZOffset) | |
| Code "G4 P1" | |
| Code "G0 Z" & ZSal | |
| Code "(Z zeroed)" | |
| Code "F" &CurrentFeed | |
| End If | |
| Else | |
| Code "(Check Ground Probe)" | |
| End If | |
| Exit Sub | |
| '------------------- | |
| 'VB Code Stop |
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