Siemens SINUMERIK 840D sl Programming Manual page 364
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Also See for SINUMERIK 840D sl:
- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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Tool offsets
8.8 Tool holder kinematics
Note
Explanations of parameters
"m" specifies the number of the toolholder to be programmed.
$TC_CARR47 to $TC_CARR54 and $TC_CARR61 to $TC_CARR63 are not defined and
produce an alarm if read or write access is attempted.
The start/endpoints of the distance vectors on the axes can be freely selected. The rotation
angles α
this way, the kinematics of a toolholder can be programmed for any number of possibilities.
Toolholders with only one or no rotary axis at all can be described by setting the direction
vectors of one or both rotary axes to zero.
With a toolholder without rotary axis the distance vectors act as additional tool offsets whose
components cannot be affected by a change of machining plane (G17 to G19).
Parameter extensions
Rotary axis parameters $TC_CARR24 to $TC_CARR33
The system variables have been extended by the entries $TC_CARR24[m] to
$TC_CARR33[m] and described as follows:
The offset of the
rotary axes v
The angle
offset/angle
increment of the
rotary axes v
The minimum and
maximum position of
the rotary axes v
User parameters $TC_CARR34 to $TC_CARR40
User
Fine offset parameters $TC_CARR41 to $TC_CARR65
Fine offset
8-42
, α
about the two axes are defined in the initial state of the toolholder by 0°. In
1
2
Changing the position of the rotary axis v
, v
oriented toolholder.
1
2
The offset or the angle increment of the Hirth tooth system of the rotary axes
v
and v
. Programmed or calculated angle is rounded up to the next value
1
2
that results from phi = s + n * d when n is an integer.
, v
1
2
The minimum and maximum position of the rotary axis limit angle (software
limit) of the rotary axes v1 and v2.
, v
1
2
contain parameters that are freely available to the user and, up to software
version 6.4, were not further interpreted in the NCK or have no meaning.
contain fine offset parameters that can be added to the values in the basic
parameters. The fine offset value assigned to a basic parameter is obtained
when the value 40 is added to the parameter number.
or v
for the initial setting of the
1
2
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
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