tool compensation on joints

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19 Mar 2026 14:05 #344515 by RLA
tool compensation on joints was created by RLA
Hi...asked this before with another question that has not received any reply yet..
I currently have 2 tools on 1 axis as a rough and finish tool....as 1 tool is sharpened calibration between 2 changes ...I would need to adjust one tool diameter separately from the other...So the question is..if I set up as 2 joints on that axis can the tool diameters be changed independently and result in on joint compensating different from the other while following the motion for that axis?

Thanks for any help..

Rick

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19 Mar 2026 16:59 #344529 by hmnijp
Replied by hmnijp on topic tool compensation on joints
Tool compensation (G43 and G41/42) has no effect on the joints. It is applied to the coordinates of the tool's center point in the Cartesian coordinate system of the “Axis”.

It's not entirely clear what you're trying to achieve. need more information about your kinematics and the type of machine (mill/lathe)...

For G43 (Tool Length Compensation), you can apply corrections individually to each axis (XYZABCUVW, but not to the joint) - these are tool length/offset corrections for milling machines and diameter corrections for lathes.

G41/42 - Cutter Radius Compensation, D in the tooltable - cannot be applied individually to axes (these are tool diameter offsets for milling, or insert tip radius сompensation for turning).

Each tool number has its own compensation table; you can also use a compensation number that differs from the tool number. If you have two tools, a roughing tool and a finishing tool, you should use different compensation numbers for each of them.

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