Free Assignment Of D Numbers: Invalidate D Numbers (Dzero); Toolholder Kinematics - Siemens SINUMERIK 840D sl Programming Manual

9.7.5

Free assignment of D numbers: Invalidate D numbers (DZERO)

Function
The
with this command are no longer verified by the
accessed again by setting the D number once more with
Syntax
DZERO
Significance
DZERO
9.8

Toolholder kinematics

Requirements
A toolholder can only orientate a tool in all possible directions in space if
● Two rotary axes
● The rotary axes are mutually orthogonal.
● The tool longitudinal axis is perpendicular to the second rotary axis
In addition, the following requirement is applicable to machines for which all possible
orientations have to be settable:
● The tool longitudinal axis must be perpendicular to the first rotary axis
Job Planning
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
command is used for support during retooling. Compensation data sets tagged
DZERO
Marks all D numbers of the TO unit as invalid.
and
V 1
CHKDNO
are present.
V 2
9.8 Toolholder kinematics
command. These data sets can be
.
SETDNO
.
V 2
.
V 1
Tool offsets
427