Smoothing Method For Clutch - Mitsubishi Electric QD77MS User Manual

4.3.3 Smoothing method for clutch

Set the clutch smoothing method in "[Pr.411] Main shaft clutch smoothing method" and
"[Pr.428] Auxiliary shaft clutch smoothing method".
The 2 types of clutch smoothing include the following.
• Time constant method smoothing
• Slippage method smoothing
When not using clutch smoothing, set "0: Direct" in the clutch smoothing method.
Clutch
smoothing
method
The operation of each smoothing method is shown below.
Time constant method smoothing
Smoothing is processed with the time constant setting value in the smoothing time
constant at clutch ON/OFF. After clutch ON smoothing is complete, smoothing is
processed with the time constant setting value when the speed of the input values
changes.
The travel value between the clutch turning ON and OFF is not changed with smoothing.
Clutch
smoothing time
constant
Item
Main shaft clutch
[Pr.411]
Main shaft clutch
smoothing method
Travel value after clutch smoothing = Travel value before clutch smoothing
Item
Main shaft clutch
[Pr.412]
Main shaft clutch
smoothing time
constant
Setting item
Auxiliary shaft clutch
[Pr.428]
Auxiliary shaft clutch
smoothing method
Setting item
Auxiliary shaft clutch
[Pr.429]
Auxiliary shaft clutch
smoothing time
constant
4 - 33
Chapter 4 Synchronous Control
Setting details/Setting value
• Set the clutch smoothing method.
Set in decimal.
0: Direct
1: Time constant method (Exponent)
2: Time constant method (Linear)
3: Slippage method (Exponent)
4: Slippage method (Linear)
Setting details
• For smoothing with a time
constant method, set the
smoothing time constant.
Setting value
Set in decimal.
0 to 5000 [ms]