Siemens sinumerik 840d Programming Manual page 222

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Transformations

7.1 Three, four and five-axes transformation: TRAORI

Three and four-axis transformations

The three-axis and four-axis transformations are

special types of five-axis transformation.

The user can configure two or three linear axes and

one rotary axis. The transformations operate on the

assumption that the rotary axis is positioned

orthogonally in the orientation plane.

The tool can only be orientated in the plane that is

perpendicular to the rotary axis. The transformation

supports machine types with moving tool and

moving workpiece.

Three-axis and four-axis transformations are configured

and programmed in the same way as five-axis

transformations.

Explanation of the commands

Additional notes

When the transformation has been activated, the

positional parameters (X, Y, Z) always refer to the tip

of the tool.

Changes in the positions of the rotary axes

participating in the transformation result in

compensation movements on the other machine

axes, such that the position of the tool tip remains

Activates the first selected orientation transformation

Activates the orientation transformation assigned with n

Number of transformation (n = 1 or 2), TRAORI(1) corresponds to TRAORI

Deactivate transformation

SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition

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