MD20126 $MC_TOOL_CARRIER_RESET_VALUE Active toolholder at RESET
= 0 No active toolholder at RESET
= > 0 (n) Toolholder with number n active at RESET
MD20126 is written to in CYCLE800
CYCLE800() corresponds to deselect toolholder (MD20126 = 0)
MD20150 $MC_GCODE_RESET_VALUES[ ] Delete position, G group.
[41] = 1 Delete position, G group 42 on TCOABS
[51] = 2 Delete position, G group 52 on PAROTOF
[52] = 1
[52] = > 1
Delete position, G group 53 on TOROTOF
Delete position, G group 53 on TOROT, TOROTY or TOROTX
Used for machine kinematics, types "T" and "M"
See parameter $TC_CARR34
Note
If, after a RESET from the NC, a frame must be calculated in the tool direction, then
MD20150 $MC_GCODE_RESET_VALUES[52] can be set to a value > 1.
Application: Machine kinematics with Hirth gearing
Note on kinematics (swivel head / mixed kinematics) with Hirth tooth system:
Depending on the active plane (G17,G18,G19), the TOROT command (or TOROTX,
TOROTY) is programmed in the NCU (G group 53) to calculate the compensating frame for
the Hirth gearing system in CYCLE800. If the Hirth gearing causes the programmed rotation
to deviate from the possible positions of the rotary axes, a $P_TOOLFRAME compensating
frame is created for swivel head and mixed kinematics (see HMI active ZO/details tool
reference).
If the compensating frame must be retained after RESET or end of part program, enter the
following value in the channel-specific machine data:
MD20150 $MC_GCODE_RESET_VALUES[52] Reset behavior of G groups
= 2 For G17 (TOROT)
= 3 For G18 (TOROTY)
= 4 For G19 (TOROTX)
MD20196 $MC_TOCARR_ROTAX_MODE Rotary axis mode for toolholders with ori‐
entation capability
Bit 0 = 1 Swivel data set with a rotary axis
used for a rotary table with C axis
Bit 1 = 1 Swivel data set with two rotary axes
used for standard swiveling
Configuring cycles
7.7 Swiveling
SINUMERIK Operate
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3 137
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