50 | Part 2
(2) Method to check chucking by using proximity sensor (option)
This is the method to detect current clamp and unclamp status of chuck by means of
attaching 2 proximity sensors, which detect the status of chuck, to the opposite end part
of chuck (the part of rotary hydraulic cylinder). If rotary hydraulic cylinder is operated,
then the piston in opposite side of chuck jaw will be operated together. The status of
clamp and unclamp of chuck can be checked by detecting the position of piston using 2
proximity sensors. In case of operating chuck with M-code during automatic operation,
commanded M-code will be executed after confirming the operation of proximity sensor.
In case of rotating spindle in manual, spindle is possible to rotate normally after
confirming the operation of proximity sensor.
1) Inward mode (ID mode)
SX11, SX12 : Main chuck proximity sensor
In inward mode, the status of chuck will be detected in 3 ways according to the
operation status of each sensor.
In above status, if SX11 is "ON" or both sensors are "ON", alarm will occur and the
machine cannot be operated normally.
In case of changing workpiece, it is required to adjust the location of sensors.
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