# What is cutter radius compensation explain with example?

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## What is cutter radius compensation?

Cutter radius compensation compensates for the radius of a cutting tool by causing the controller to maintain a constant offset that is perpendicular to the programmed path in a two-dimensional plane. You can use this feature to compensate for the diameter of a cutting tool or the width of a laser.

## How is cutter radius compensation calculated?

For new cutters, just look at the cutter. It’s size is etched on the shank. For re-sharpened cutters, measure it with a micrometer. If your control requires a radius value, divide the cutter diameter by 2.

## What does cutter compensation mean?

What is Cutter Compensation? Cutter compensation (cutter comp), also sometimes called Cutter Diameter Compensation (CDC), provides a way to adjust the toolpath at the machine to compensate for tool size, tool wear, and tool deflection.

With cutter radius compensation, the programmer can use the coordinates of the work surface, not the tool’s centerline path, so eliminating the need for many calculations.

The use of cutter compensation allows the programmer to use the part geometry exactly as from the print for programmed coordinates. Without using compensation, the programmer must always know the cutter size and offset the programmed coordinates for the geometry by the amount of the radius.

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## Do all tools require cutter radius compensation?

While it may be obvious, let us point out that cutter radius compensation is only used for milling cutters and only when milling on the periphery of the cutter. A programmer would never consider using cutter radius compensation for a drill, tap, reamer, or other hole machining tool.

## What do you mean by compensation?

Typically, compensation refers to monetary payment given to an individual in exchange for their services. In the workplace, compensation is what is earned by employees. It includes salary or wages in addition to commission and any incentives or perks that come with the given employee’s position.

## What is G90 in G code?

G90: Absolute Positioning

First up, G90 is the G-code to set a machine to absolute positioning mode.