Tracyl - Siemens SINUMERIK 840D sl Function Manual

Kinematic Transformation (M1)
7.1 Brief description
7.1.2

TRACYL

The cylinder generated surface curve transformation TRACYL allows the following:
Machining of
● Longitudinal grooves on cylindrical bodies,
● Transverse grooves on cylindrical bodies
● Arbitrary groove patterns on cylindrical objects.
The path of the grooves is programmed with reference to the unwrapped, level surface of the
cylinder.
For machining purposes, the function supports lathes with
● X-C-Z kinematics and
● X-Y-Z-C kinematics.
● The control transforms the programmed traversing movements of the cylinder coordinate
● For groove side offset, X-Y-Z-C kinematics is required with the following axes
● The velocity control makes allowance for the limits defined for the rotations.
TRACYL transformation, without groove side compensation, with additional longitudinal axis
(cylinder surface curve transformation without groove side offset TRAFO_TYPE_n= 514)
● Transformation without groove side offset requires only a rotary axis and a linear axis
● If a machine provides an additional linear axis positioned perpendicular to the rotary axis
484
system into the traversing movements of the real machine axes (standard applications X-
C-Z kinematics TRAFO_TYPE_n = 512):
– Rotary axis (1)
– Infeed axis perpendicular to axis of rotation (2)
– Longitudinal axis in parallel to axis of rotation (3)
Note
Linear axes (2) and (3) are perpendicular to one another. The infeed axis (2)
intersects the rotary axis. This constellation does not permit groove side offset.
(TRAFO_TYPE_n = 513):
– Rotary axis (1)
– Infeed axis perpendicular to axis of rotation (2)
– Longitudinal axis in parallel to axis of rotation (3)
– Longitudinal axis (4) to supplement (2) and (3) to obtain a right-hand cartesian
coordinate system.
Note
Linear axes (2), (3) and (4) are perpendicular to one another. This constellation
permits groove wall corrections.
positioned perpendicular to the rotary axis.
and first linear axis, this can be utilized to improve tool offset.
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions