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Typical Physical Connections using a Parallel Port If not enabled pass the Z position and feed back untouched. Pass the Z position and feed back untouched.

If enabled and torch is off and there is no correction If enabled and torch is off and the Z axis is moving up remove any correctionĪt a rate not to exceed the rate of movement of the Z axis. If enabled and torch is on and X + Y velocity is within tolerance of set speedĪllow the THC to offset the Z axis as needed to maintain voltage. This THC takes either an up or a down input from a THC Wrapping the axis does not improve anything in my case.Ĭomponent thcud "Torch Height Control Up/Down Input" The ini file example for a rotary axis setup, in my case axis B. N0920 (Operation: Inside Offset, 25 amp, T2: Plasma 25Amp) N0090 (Operation: Outside Offset, 10 amp, T1: Mark 10Amp) N0020 (Post processor: LinuxCNC Rotary EX AZ.scpost) The probe has offset the actual cutting pat'h a little.

Attached picture is the output in linuxcnc. Included is a 100x100mm draftsight dxf template file (flatten tube layout) that correspondent's with the sheetcam square tube layout 100x100mm, corner radius 5mm.Ħ.

When zeroing your z axis on top of the profile, for example a square tube 100x100mm your z axis is at 50mm when on top of the profile, the z-axis value (50mm) can be included the cutting distance about 3-4mm, no problem.ĥ. important : the Z axis zero point is located at center point of the main chuck. It set's the plasma power "S" in the g-code when a laser tool is used.Ĥ. (G64P0.01 up to G64P0.04 will result in bad rotation movement's (shocking) during corner rotation when cutting square tubes)ģ. It uses G64P0.05 for optimal accuracy during cutting. (In my case probing can be activated by selecting a gui screen button, this will trigger the THC2 component probe function, but i don't use probing when cutting tubes.)Ģ. Probing for tube cutting is not a better option in practical way.

This postprocessor does not use a touch off or probe function. Rename the file extension from txt to scpost.ġ. This is information to set up Plasma Rotary cutting.Īttached a modified post processor for sheetcam rotary.