FEC AFC1200 - Manual (Page 19)

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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 RPMs. TORQUE SPEED
FIRSt torque fastening speed. SET based upon the joint type to allow
for a controlled seating. LESS THAN 150 RPMs. SLOWDOWN SPEED
Set based upon cycle time requirements. THIS speed is used to run
down the bolt 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 the 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 User Console Version A3.53
Page 6-19