Use Example Of Clutch - Mitsubishi Electric QD77MS User Manual

4.3.4 Use example of clutch

The following machine shows an example using clutch control for a flying shear cutting
system that synchronizes off a start signal from a sensor input.
[Pr.405] Main shaft
[Pr.406] Main shaft clutch reference address setting
[Pr.408] Travel value before main shaft clutch ON
[Pr.410] Travel value before main shaft clutch OFF
[Pr.411] Main shaft clutch smoothing method
[Pr.413] Slippage amount at main shaft clutch ON
[Pr.414] Slippage amount at main shaft clutch OFF
Sensor input
(High speed input
request [DI])
100mm
(3.94inch)
Synchronous
encoder
Waiting position
Sensor position
Main shaft clutch setting item
ON control mode
OFF control mode
clutch control
setting
High speed input request signal
Synchronous encoder axis and
output axis in synchronization
High speed input request
[DI]
Clutch smoothing status
Clutch ON/OFF status
Synchronous encoder
axis speed
Output axis speed
Slippage amount at clutch ON
...Distance between the
sensor and the waiting
position (100mm(3.94inch))
Output axis
5: High speed input request
1: One-shot OFF
(Specify the high speed input request signal No., used for
sensor input.)
0: Current value after composite main shaft gear
0mm
380mm (14.96inch)
4: Slippage method (Linear)
100mm (3.94inch)
(Distance between the sensor and the waiting position)
20mm (0.79inch)
Cutting...After clutch smoothing
All travel value of output axis
...380mm+(20mm-100mm)=300mm
(14.96inch+(0.79inch-3.94inch)=11.81inch)
Slippage amount at clutch OFF
...Set as 20mm (0.79inch)
to stop early.
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Chapter 4 Synchronous Control
Main shaft
M
main input axis
(Synchronous
encoder axis)
Output axis
(Linear cam)
Setting value
t
t
Complete synchronous control and
return to the waiting position by
positioning control.
(It can be returned by auxiliary shaft
without changing synchronous control.)
Main shaft
gear
Main shaft
clutch