I need some help in where I am going wrong please.
The depth of cut is set at 9mm in vcarve program, material thickness is 12mm
I touch the top surface of the wood with cutter and zero z axis.
When I run the program it only cuts a depth of 3mm but shows -9mm
The z axis movement is calibrated corrected

Any advice on how to fix appreciated

It looks like you have the datum on the bottom face in Vcarve.

Datum is set to the top surface in vectoring
The depth looks fine at 9mm in the tool path preview
When the g code is imported into mach3 the cutting tool path appears 3mm from top surface?
When the program rums the z height shows -9mm

I’ve spent days looking to see where I’m going wrong!!
Any comments / ideas appreciated

When you look at the tool offset (lower centre of program run screen in pink) has it got a value in it?

What tool number (T??) and is in the first few lines of g-code?

Is there a G43 H?? value in the g-code?

When you set your tool did you have G54 selected in the offsets page?

Some pictures and the first 20 lines of your g-code would help.

The Tool Information box in the Program Run Screen shows 0 in all 4 pink boxes.
g-code shows T1M6
There is no G43 H value showing in the G code that I can see
please see attachments

showing tool path in Vectric Cut2D
and Mach3

I must have a setting wrong somewhere??

thanks for any areas to investigate

Mach3 is set to use tool 0 but the g-code is using tool 1 at line 3 (T1 M6).  Remove this line and try again.

I removed the line but this has not fixed the problem.

Move your spindle clear of any material and turn the rapids right down then enter this into MDI

G54 G00 G49 G90 Z5.

Check that the tool is 5mm above your material.

Tool goes to 10mm above the material surface, the MDI shows Z at +5.00

Is the problem coming from the vectric tool path - Material Set up?
This is showing -
Rapid Z Gap above material  - Clearance Z1 =5.0mm
Home Start Position - Z gao above Material = 5.01mm

I cannot change these values, as it always defaults back to these dims?