ParaMon-Pro X instruction manual DOC.60391-01/21
L.Torque rising time (ms)
In the above graph, a torque curve rebounds in a V shape after a seating point and rises up to the target
torque.
Able to adjust the time taken to rise up to target torque after the V-shaped rebound, using ‘torque rising time
(ms)’.
M.Ramp-up speed (RPM)
Sets operating speed in order for the torque to rise up to target level after a seating point.
The ramp-up speed adjustment brings similar results with the ‘seating point from target torque (%)’.
If ramp-up speed is reduced, the time in the A2 section rises, and total fastening time increases.
If ramp-up speed is increased, the time in the A2 section drops, and total fastening time decreases.
However, if ramp-up speed is set excessively to reduce fastening time, the rapidly spinning screw abruptly
stops, and over torque (torque ripple) can take place due to inertia.
Therefore, if attempted to reduce total fastening time by adjusting the time in the A2 area, it is recommended
to increase a seating point from target torque (%) instead of adjusting ramp-up speed.
N.Torque compensation (%)
Depending on a vendor, various types of torque meters exist, and measurements can vary according to each
vendor’s implementation mechanism.
For example, when target torque is 10.00 kgf.cm, it could be 9.5 kgf.cm in a torque meter.
In this case, it is required to select a base device for torque management.
Once a tool for torque management is set, no additional action is necessary.
If the criteria for torque management are set with a torque meter, it is able to calibrate the tool torque by
setting ‘Controller → Torque calibration’ and ‘Torque compensation (%)’.
‘Controller → Torque calibration’ can be set within ±10% and applied to all presets.
‘Torque compensation(%)’ can be set within ±30% and applied by preset.
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