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● For the load in the direction to the axis of the screwdriver (thrust direction), design using a
damper mechanism.
* Dampers with simple shock absorbers are available from HIOS. Consider using them if appropriate.
■ Cautions when using a universal joint
● Offset from the center axis causes overload by twisting of the output axis. Incomplete
fixation may cause power loss, overload on the screwdriver or twist, and may decrease the
output power of the screwdriver.
As a result, incomplete tightening may occur even if the output torque is a standard value.
● When using a universal joint, make sure that a rotational load is not applied to the bit.
(Note)
When using a universal joint, output torque of the screwdriver and the actual output torque
may be different due to inertia. Make sure to measure both torque of the screwdriver and
the actual output torque.
● When a universal joint is installed, make sure not to overload in the direction of the axis of
the screwdriver (thrust direction), and not to damage the workpiece and the screw bottom.
Guidelines for the load limit BLF-2000: 3kg or less
● When a universal joint or fixture is installed under screw fastening conditions, implement
test tightening several times.
1. Is it fastened at the set torque?
2. Is the rotating speed of the screwdriver constant?
3. Isn't the bit wobbling?
4. Is there any abnormal noise...etc? Check these prior to the final tightening.
● When using a universal joint, make sure the bit turns by hand.
Product Name: BLF Damper Unit
Part Number: BLF-DP (*Installation board is not included.)
Initial load 0mm
installation
Stroke 7mm
board
Damper
BLF-5000/BLF-7000 Series: 5kg or less
Thrust Load Specifications
Approx. 0.12N・m(1.2kg)
Approx. 0.6N・m(6kg)
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