Semi automatic assembly of condenser batteries for power factor-correction systems with M6x8 screws0 pages

Number 111
October 2014

Tightening automation
Electrical industry, electronics
Customer need:
Semi-automatic assembly of
condenser batteries for power
factor-correction systems with
M6x8 screws at about 7 Nm
torque.
The screws, extremely specific
due the 0.8 ratio between total
length and head diameter, cannot be processed with the standard screw feeding systems.

The solution:
Fiam designed and manufactured an autofeed screwdriver
with transducerized brushless
DC electric motor, torque/angle
control, to be used by the operator on the work bench.
The most interesting innovations
introduced in order to handle
such particular screws are:

“T” shaped blowing hose mirroring screw design:
Tightening head receiving the
screw from the side rather than
axially as normally happens.
What above described allows
feeding screws without jamming.

The entire solution.