Use Example Of Clutch - Mitsubishi Electric MELSEC iQ-R RD78G4 User Manual

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.
Sensor input
(High speed input request [DI])
100mm
(3.94inch)
Synchronous
encoder
Waiting position
Sensor position
Main shaft clutch setting item
[Pr.405]
Main shaft clutch control setting
[Pr.406] Main shaft clutch reference address setting
[Pr.408] Movement amount before main shaft clutch ON
[Pr.410] Movement amount 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
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
ON control mode
OFF control mode
High speed input request
signal
Cutting...After clutch smoothing
Total movement amount of output axis
...380mm + (20mm - 100mm) = 300mm
(14.96inch + (0.79inch - 3.94inch) = 11.81inch)
Slippage amount at clutch OFF
Complete synchronous
...Set as 20mm (0.79inch)
control and return to the
to stop quickly. waiting position by positioning control.
(It can be returned by auxiliary
shaft without changing synchronous control.)
Main shaft main
M
(Synchronous
encoder axis)
Output axis
(Linear cam)
Setting value
5: High speed input request
1: One-shot OFF
(Specify the high speed input request signal No., used for sensor input.)
0: Position value after composite main shaft gear
0mm
380 mm (14.96inch)
4: Slippage method (Linear)
100mm (3.94inch) (Distance between the sensor and the waiting position)
20mm (0.79inch)
t
t
4 ADVANCED SYNCHRONOUS CONTROL
Main shaft gear
Main shaft clutch
4.3 Clutch
4
119