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State-of-the-art technology and constant upgrading is
applied throughout the SNFA Group. Each process, from
design to testing, from manufacturing to inspection, is
within a procedure that benefits from the necessary
resources and facilities.
Grinding and superfinishing are part of a complex cycle
of operations involving all the surfaces of the bearing
rings; these operations require the use of special
high-quality CNC machinery.
Rings are manufactured from bar, tube or forging. The
most common raw material used is 100Cr6 that must be of
the highest quality and inclusion free.
Matching is the operation whereby two or more bearings
are brought together for preloading into sets. In order
to obtain a precise preloading, SNFA uses specialized
equipment and the whole process is strictly controlled.
Cotton fabric reinforced phenolic resin cages are
machined from tube. Good dynamic behavior of this vital
bearing component depends on raw material homogeneity
and precise geometry being obtained during manufacture.
Final inspection of rings is performed under
environmentally controlled conditions using specialized
equipment that simultaneously measures all geometric
parameters. Marking ensures complete identification of
the product.
Product design, from analysis computer programs through
to laboratory testing, is performed in line with
criteria conforming to ISO 9000 standards.
Functional tests are carried out in the SNFA
laboratories and are targeted at finding new and
innovative solutions for the benefit of our customers.
Recently SNFA has developed a new program, SECBA, that
analyzes bearing performance by taking into account the
whole of the spindle assembly. This allows customers to
optimize the choice of bearings during the design stage.
Contact Application Support for additional information.
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