Chapter 6 Fastening Operation
PAGE 6-35
2. Upon reaching 1ST Torque/Angle, 1
st
Time ends and 2
ND
Time begins. 1ST Torque/Angle is the shift point
from 1
st
Speed to 2
nd
Speed.
3. For a 2 step fastening, the system will fasten to Standard Torque/Angle using 2
nd
Speed during the
specified 2
nd
Time limits. Standard Torque/Angle must be reached within the 2
nd
Time Low/High Limits or
a reject will occur. The fastening result will output as REJECT (NG). (The time judgment cannot be
disabled.)
4. If the 2
nd
Torque/Angle is detected before the Standard Torque/Angle, the speed is switched from 2
nd
Speed to 3
rd
Speed.
For a 3 step fastening, the system will fasten to Standard Torque/Angle using 3
rd
Torque Speed during the
specified 2
nd
Time Limits. Standard Torque/Angle must be reached within the 2
nd
Time Low/High Limits or
a reject will occur. The fastening result will output as REJECT (NG). (The time judgment cannot be
disabled.)
・ If D-No. 109 [2nd Torque] is set to 95 ~ 100% of D-No. 103 [Standard Torque], the fastening speed
is automatically set to 3rpm after the detection of the 2nd torque.
・ Use of this function is not recommended for fastening a soft joint. The abnormal state signal
A.08-10 “Overload Error” may be generated.
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