Mitsubishi Electric LD77MH, Руководство пользователя

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Chapter 4 Synchronous Control
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.
100mm
(3.94inch)
Synchronous
encoder
Main shaft
gear
Main shaft
clutch
Main shaft
main input axis
(Synchronous
encoder axis)
Output axis
(Linear cam)
M
Output axis
Sensor input
(High speed input
request [DI])
Sensor position
Waiting position
Main shaft clutch setting item Setting value
[Pr.405] Main shaft
clutch control
setting
ON control mode 5: High speed input request
OFF control mode 1: One-shot OFF
High speed input request signal
(Specify the high speed input request signal No., used for
sensor input.)
[Pr.406] Main shaft clutch reference address setting 0: Current value after composite main shaft gear
[Pr.408] Travel value before main shaft clutch ON 0mm
[Pr.410] Travel value before main shaft clutch OFF 380mm (14.96inch)
[Pr.411] Main shaft clutch smoothing method 4: Slippage method (Linear)
[Pr.413] Slippage amount at main shaft clutch ON
100mm (3.94inch)
(Distance between the sensor and the waiting position)
[Pr.414] Slippage amount at main shaft clutch OFF 20mm (0.79inch)
t
t
Synchronous encoder
axis speed
Output axis speed
Clutch ON/OFF status
Clutch smoothing status
High speed input request
[DI]
All travel value of output axis
...380mm+(20mm-100mm)=300mm
(14.(0.79inch-3.94inch)=11.81inch)
Cutting...After clutch smoothing
Synchronous encoder axis and
output axis in synchronization
Slippage amount at clutch ON
...Distance between the
sensor and the waiting
position (100mm(3.94inch)) Slippage amount at clutch OFF
...Set as 20mm (0.79inch)
to stop early. Complete synchronous control and
return to the waiting position by
positioning control.
(It can be returned by auxiliary shaft
without changing synchronous control.)