Changing spindle speed limits for the current program only
REDEF $SA_SPIND_MAX_VELO_LIMS PRLOC ; maximum spindle speed limit for V
constant (G96)
REDEF $SA_SPIND_MAX_VELO_G26 PRLOC ; maximum spindle speed limit for rpm
(G26)
7.6 grinding
General
Grinding tools are identified by tool type 400, 410; dressing tools are identified by tool type
490. The "New tool"
function offers these types for selection. The tool list shows the "Grinding
disk" and "Dressing tool" tool types listed according to their tool type. To generate the grinding
disk correction, a tool setter creates a dressing program. Depending on the complexity, the
tool setter makes use of external or internal code generators. This program will be assigned
later to a grinding disk.
Base variant
The dressing is performed in the JOG and AUTOMATIC operating modes, where in automatic
operation, the dressing is called from a part program. To parameterize the dressing, a
diagnostic screen form deployed in manual mode and in the program editor is provided.
The base package offers predefined write contours. The dressing is supported with supplied
screen forms and system cycles. These system cycles are available independent of and
separate from the machining cycles package.
Oscillation cycles
These grinding cycles permit the machining of workpieces with grinding machines using two
geometry axes.
The machines type does not exist because the cycles create only an oscillating movement
that can be used as required on every machine.
This requires a SINUMERIK control as well as fast inputs/outputs for the program processing.
The cycles package provides the following cycles:
● CYCLE4071: Longitudinal grinding with infeed at the reversal point
● CYCLE4072: Longitudinal grinding with infeed at the reversal point and measurement
control
● CYCLE4073: Longitudinal grinding with continuous infeed
● CYCLE4074: Longitudinal grinding with continuous infeed and measurement control
● CYCLE4075: Surface grinding with infeed at the reversal point
Configuring cycles
7.6 grinding
SINUMERIK Operate
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3 133
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