The following provides a description of the key tightening parameters that will need to be set to use the YS-e system appropriately.
Also included, for reference, are the default values for these parameters, recommended starting points, and the comparable IR term, if applicable.
Yokota Term |
Meaning |
IR Comparable Term (if applicable) |
Default Value |
General Quick Setup Recommendations |
Start TRQ |
The torque which the tool will start judging the result of rundown, cycle start |
Torque Threshold |
3 |
1/3 of Target Torque, around seating point |
Switch TRQ |
The torque which switches the motor speed from Middle Speed to High Speed |
Shiftdown Point |
3 |
|
Min TRQ |
If the torque does not reach this value after pulsing the number of SLOW Err value, |
Low Torque Limit |
3 |
|
Cut TRQ |
Target torque. The tool will shut off after the displayed torque has exceeded. |
Target Torque |
3 |
|
Max TRQ |
If the displayed torque exceeds this value, |
High Torque Limit |
3 |
|
Free Ang Min |
Minimum shaft rotating angle before reaching Start Torque. (Before bolt is seated) |
n/a |
0 |
|
Free Ang Max |
Maximum shaft rotating angle before reaching Start Torque. (After bolt is seated) |
n/a |
30000 |
|
Final Ang Min |
Minimum shaft rotating angle after reaching Start Torque. (After bolt is seated) |
Low Angle Limit |
0 |
For ‘re-hit’ detection, set to 50 degrees |
Final Ang Max |
Maximum shaft rotating angle after reaching Start Torque. (After bolt is seated) |
High Angle Limit |
9999 |
|
Free abort Time |
The count of the free running angle will be reset to "0", when the shaft has not been rotated for the set valued time |
n/a |
0.10 |
Low Speed |
Motor speed when the trigger is half-pulled, feathered |
n/a |
1200 |
1200 ~ 1500 |
Mid Speed |
Motor speed before reaching SWITCH TORQUE, when trigger is fully engaged |
Free Speed |
2000 |
1500 ~ 3000 |
High Speed |
Motor speed after reaching SWITCH TORQUE |
Shiftdown Speed |
3000 |
1500 ~ 4800, should use speed that produces consistent torque results |
Bolt Co-Eff |
This function is to recalculate the displayed torque if there is a great difference from the actual torque. |
TR Value (similar) |
1.00 |
1.00 = 100%; Ex) if you want the displayed torque value to increase by 20%, change this value to ‘1.2’ |
Average No |
The number of pulses that the system should average the measured torque values of and use as the display torque |
n/a |
3 |
|
Skip No |
The number of initial pulses the tool will skip and not measure after reaching the start torque. |
n/a |
2 |
|
Slow Er No |
When the number of pulses in a tightening exceed this value and the tool has not yet measured torque > than the MIN TRQ value, the tool will stop and display this error. The tool is getting to torque too slow, hence – SLOW ERROR |
n/a |
20 |
|
Compen No |
The number of pulses preset as compensation pulses, which will be performed after the display torque exceeds the cut torque, and the motor will be automatically stopped. |
0 |
||
Max Pulse |
Maximum number of pulse after reaching start torque. If the pulse exceeds while fastening, the tool will judge as "Over Pulse NOK" |
30 |
||
Min Pulse |
Minimum number of pulse required before the tool shuts off. If the torque reaches before the set number of pulse, the tool will judge as "Min, Pulse NOK" |
2 |
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