Tightening symmetric and asymmetric tud bolt on components for submerged pumps0 pages
Number 107
November 2014
Tightening automation
Plumbing and heating industry
Customer need:
Tightening symmetric and
asymmetric stud bolts on components for submerged pumps.
There are two types of stud
bolts, to be tightened at about
12 Nm:
tM8x35 symmetrical
t (fully threaded)
tM8x37 asymmetric
t (with collar D.9,6)
Symmetric and asymmetric stud bolts to
be tightened.
Head for stud bolts with tightening bush
with “guaranteed release” that ensures
the perfect release of the stud bolt once
tightened.
Solution:
Fiam designed and manufactured a solution composed of two, 2-ways
auto fed tightening systems to process the different stud bolts.
Each system is equipped with two independent fastening slides, double
stroke type, on which are installed nutrunner motors model MCY11RA
with automatic air shut-off. Distance between centers is 76 mm.