FEC AFC1200 User Manual
Page 21
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FINal torque speed to which the nutrunner will shift once 1ST TORQUE/
ANGLE or SPEED CHANGE Torque is reached. SET based upon the
joint type to allow for a controlled final fastening. LESS THAN 50 RPM
TORQUE SPEED
FIRSt torque fastening speed. SET based upon the joint type to allow
for a controlled seating. LESS THAN 150 RPM
SLOWDOWN SPEED
Set based upon cycle time requirements. THIS speed is used to run the
bolt down quickly.
FREERUN SPEED
FOR joints that do not react properly to high speed seating, the freerun
time should be calculated to eliminate the "crash" effect.
[FREERUN TIME - INITIAL TIME = HIGH SPEED RUNDOWN TIME]
FREERUN TIME
SET to the RPM which will allow for easy socket-to-fastener engagement
INITIAL SPEED
SET to a duration which will provide sufficient time for socket-to-
fastener engagement. MAy be set in either seconds or revolutions
INITIAL TIME
SEt to the same value as the final torque speed. WHen the oFFSET
Check is enabled in the sequence program, this speed will replace the
INITIAL SPEed preset
OFFSET CHECK SPEED
RECOMMENDATION
FUNCTION
SPEED
TORQUE
TIME
TIME
FREE RUN
SPEED
STD.
SPEED
CHANGE
SLOW
SPEED
TORQUE SPEED
OFFSET INITIAL SPEED
FIG. 6-3b Ideal Relationship of Speed and Torque
Chapter 6: Fastening Instructions
Page 6-21