Machine Tool Modeling

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MTConnect utilizes the right hand rule for all coordinate systems representing physical space and orientation within a machine. The positive movement is given by extending the first three fingers on the right hand and labeling the axes in order of the digits, X, Y, and Z. The fingers will point in the positive direction. All linear axes represent a space within a machine that is defined by coordinates according to the right hand rule.

Right Hand Rule Coordinate Planes

For Rotary axes, the right hand rule defines the direction of rotary movement by wrapping one's right-hand fingers around the axis of rotation. Clockwise rotation points the thumb toward the person, and counterclockwise rotation points the thumb away. The thumb indicates in the positive direction of the vector or axis the hand encircles. All rotational angles and movements are given according to the right hand rule for Rotary axes.

Rotational Right Hand Rule