Siemens SINUMERIK 840D sl Function Manual page 842

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Detailed description

CRPL - Constant Rotation Plane

The predefined function "Constant Rotation Plane", allows a rotation to be programmed in

any plane for each frame:

FRAME CRPL(INT,REAL)

This method offers the advantage that no axis identifier, around which a rotation should be

executed, has to be specified for a geometry coordinate axis.

As a rule, turning machines have only two geo axes, meaning that, up to now, a rotation in

the plane could not be programmed.

Chaining with frames

CRPL() can be chained with frames and known frame functions such as CTRANS(),

CROT(), CMIRROR(), CSCALE(), CFINE().

$P_CYCFRAME = $P_CYCFRAME : CRPL(0,30)

$P_CYCFRAME = CTRANS(x,10) : CRPL(1.30)

$P_CYCFRAME = CROT(x,10) : CRPL(2.30)

$P_CYCFRAME = CRPL(3,30) : CMIRROR(y)

Rotation in the active plane

Rotation around z

Rotation around y

Rotation around x

Angle of rotation in degrees

-180 <= x <= 180

-90 <= y <= 90

-180 <= z <= 180

-180 <= x <= 180

0 <= y <= 180

-180 <= z <= 180

The user must keep to the named angles, in the interests of a unique backward

calculation. If the limits are violated, a unique backward calculation is impossible. Entry is

not aborted with an alarm.

Basic logic functions: Axes, coordinate systems, frames (K2)

Function Manual, 11/2006, 6FC5397-0BP10-2BA0

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