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Wire
Drawing Technology Breakthrough
- After
long and thorough testing this breakthrough technology is
offered to the wire industry.
- The EM
20 rod and wire coating system is designed to be fitted easily
to either new or existing drawing machines.
- The compact
design means it can be moved from machine to machine when
required.
- A further
advantage of the compact design is that it easily fits between
a mechanical descaler and drawing machine.
The New
Pressure Coating Technology
- Continuous
coating of metallic rod or wire with a solid lubricant film
as a preparation for subsequent wire drawing.
- Intermediate
re-coating during a multi hole drawing process for demanding
applications involving difficult materials, large reductions,
high speeds etc.
- The elimination
of wet applied pre-coatings for many applications.
- Lower
coefficient of friction between wire and die.
- Greatly
reduced lubricant consumption resulting in lower waste management
costs.
- Reduction
in die wear.
- Lower
energy consumption for similar drafting schedules.
- Higher
speed and increased reduction between heat treatment steps.
- Improved
internal stress distribution resulting in better mechanical
properties.
- Optimization
of residual lubricant coating weight.
- Smaller
diameter tolerances achievable.
- Less
dust generation eliminating the need for dust extraction in
many cases.
- The
coating produced by the EM 20 is more adherent, completely
covers the surface and has a consistent coating thickness
that can be altered to suit requirements, in comparison with
the lubricant film produced by conventional powdered lubricants
- This
leads to a higher and more reliable pressure in the deformation
zone of the die with consequently better separation of wire
and die.
- This
means: lower friction; less die wear; better internal stress
distribution and lower power consumption.
- The EM
20 minimizes the costs of producing a reliable film on wire.
At the same time the equipment can optimize the lubrication
film for each application. The ability to control the residual
lubricant while achieving the lubrication required for efficient
production is a plus for both wire producer and customer.
- The combination
of pressure application and the heat generated during cold
work enables the new method to achieve continuous, controlled
and reproducible lubricant coatings. The new system is based
on the properties of the lubricants themselves.
Wire drawing lubricants are based on the alkali salts of long
chain fatty acids. These materials are almost incompressible
and in the context of the pressure coating system can be regarded
as fluids.
The pressure coating system produces a film that is so thick,
strong and stable that the lubrication film is not only suitable
for the first draft but depending on the application will
achieve up to 6 further drafts without failure.
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