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Mind the gap
Threaded bolts that selfloosen
VIDEO GUIDE TO INJECTION MOULDING
Issue 4 2020
These days often the
fi rst thing we do when
considering a new project
is to search for a “How to
do it” video and where
thermoplastic moulding is
concerned, what better
source than Essentra
Components, with their long
and extensive experience
in the electrical/electronics,
production, assembly
and installation industries?
Experience shared in their
new video guide available
here https://www.
essentracomponents.com/
en-gb/news/videos/a-shortguide
to-injection-mouldingthermoplastics
The multi-faceted team
at Essentra Components
frequently work on cooperative
developments with
customers and are delighted
to share their engineering
insights. In particular when
you’re selecting a thermoplastic
for a new component there are
lots of parameters to take into
consideration so how should
you approach the problem?
In this video, the Divisional
Process Development
Manager Chris Butler offers
his advice on the factors to
think about when selecting
a material for a new part,
including:
• The amorphous and semicrystalline
structures of the
thermoplastics
• The high temperature,
engineering and
commodity classifi cations
of thermoplastics
• The environmental
conditions that the fi nal
part will be exposed to
By explaining each of
these factors and considering
the application of the fi nal
component, Chris gives an
experienced manufacturer’s
insight into selecting the
right thermoplastic materials
for injection moulded
components.
Essentra Components
www.essentracomponents.co.uk
01865 841100
during the machine’s
operation can cause all
manner of problems from
increased maintenance and
downtime to quality issues
and lost production. So, when
customers of an East European
manufacturer of screen printers
began reporting bolt failures on
its machines, the company went
back to basics.
In operation, these largescale
printers generate a lot
of vibration and heat, both
of which were causing the
threaded fasteners to selfloosen.
The manufacturer was
swift to act on fi eld reports
and resolved the problem by
applying a wicking-grade
adhesive thread locker to the
threaded bolts on installed
printers. It also adopted
adhesive thread locking as a
standard assembly method in
the factory to eliminate selfloosening
at source.
The adhesive thread locker
the printer manufacturer chose
for bolt assembly is, Loctite
243 from Henkel. It is a single
component, medium strength
thread locker that has recently
been upgraded to offer good
bond strength on contaminated
surfaces, provide higher
temperature resistance and
perform well on passive metals
without an activator.
Henkel
www.henkel.com
01442 27800
ELESA ANNOUNCES
NEW WIRE ROPE
Elesa has introduced a wire rope series
to its otherwise rubber-based vibration
damper family of mounts and buffers,
used throughout industry for isolation of
equipment where vibration is a major issue.
The new AVC series incorporates AISI
316 stainless steel wound into helical
loops where the spring damping function
is derived from innate elastic and friction
properties of the rope construction. This
allows a high range of deformation suitable
for use in mounting of gensets, robotic
mounts, stabilising platforms e.g. for
cameras and liquids. Other applications
include mounting of electrical cabinets,
HVAC, transport platforms, marine
equipment, power systems, pumps,
desalination, rail, naval, military, marine oil
and research platform equipment.
The AVC series may be mounted in
horizontal or vertical orientation and
as they are manufactured in stainless
steel they can be used in a wide range of
temperatures and environments. Their
high range of deformation in comparison
to other materials is coupled with the
level of resistance to age and atmospheric
conditions we would expect from stainless
steel. They are excellent for shock
attenuation as they operate with low
natural frequencies to give a fast damping
effect which is resistant to fatigue and are
maintenance free.
Wire rope mounts/isolators in the AVC
series offer a very cost effective, long
term solution in load capacities from 50N
to 3000N without the need for regular
maintenance or replacement.
Elesa (UK)
www.elesa.co.uk
01526 322670
/www.essentracomponents.co.uk
/www.henkel.com
/www.elesa.co.uk
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