Manufacturing Today - September/October 2016 - 74

Castrol OPTIS
www.optis-solutions.com / Headquarters: Cincinnati / Employees: 20 / Specialty: Machining
expertise, analytic tools and process improvements

Midwest

currently utilized on the factory floor
becoming redundant, required only
for final finishing.
There are a number of clear commercial benefits to the additive process,
which uses 3-D design data to build
up a component in layers, rather than
a subtractive process such as milling.
The freedom of design offered is a clear
benefit, as is the opportunity to produce
complex shapes or internal structures
that would be impossible to create using
traditional machining methods. This
means it will be much easier for manufacturers to produce highly customized
parts quickly and profitably and to do so
in a materially efficient way. Scrap rates
for parts produced this way are usually
below five percent, compared to scrap
rates of more than 90 percent for many
complex milled parts. In today's economic climate of rising costs and scare
raw materials, this represents a significant advantage.

Challenging Process

optis believes metallic additive
manufacturing has the potential
to be transformative to the
industry.

Open Potential

optis looks at developments in metallic additive manufacturing. by sven thiesen
Metallic additive manufacturing
processes are already being used in
a range of industries including aerospace, medical and defense, but manufacturers are still learning its capabilities and limitations. If nurtured
correctly, however, it has the potential to become a truly transformative
method, offering unrivalled design
74

manufacturing-today.com SEPTEMBER/OCTOBER 2016

freedom to manufacturers and the
ability to manufacture components
previously thought beyond reach.

Why Additive Manufacturing?
Additive manufacturing is radically transforming how manufacturers
make products. In the future, it's easy
to imagine many of the machine tools

Additive manufacturing is a complex process and cannot simply be
referred to as 3-D printing. Despite
its inherent flexibility and ability to
make changes relatively quickly, production time can be challenging with
complex parts taking anywhere from
four to 16 hours to produce.
These parts are, contrary to understanding, not finished. Most of
the parts still require heat treatment
and subsequent machining in order
to achieve the desired surface finish
and dimensional requirements for
the final part. This will still need to be
clamped in a CNC machining center,
and manufacturers will still need location surfaces that allow for that.
Take-up is also being hampered by a
severe lack of industry guidance, standardization and best practice methodology. There is no piece of software or


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Table of Contents for the Digital Edition of Manufacturing Today - September/October 2016

Contents
Manufacturing Today - September/October 2016 - Cover1
Manufacturing Today - September/October 2016 - Cover2
Manufacturing Today - September/October 2016 - 1
Manufacturing Today - September/October 2016 - 2
Manufacturing Today - September/October 2016 - Contents
Manufacturing Today - September/October 2016 - 4
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Manufacturing Today - September/October 2016 - Cover3
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