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- To design
and build a machine in-house
that would cut out silicone bungs and place
them in sample tubes. The machine had to
cut out the silicone bungs from a matrix of
90 and insert the bungs into 96 tubes arranged
in 8 x 12 matrix. A rotational action was
needed for both creations.
- Accuracy -
Both these processes had to be accurate
to +/- 0.1mm since the shoulder on each
bung
was less than 0.5mm and the tubes needed
to be effectively sealed.
- Repeatability -
Pfizer were also looking for 100% success
rate; not only were the chemicals expensive
but if one tube was not sealed properly,
the
whole tray of 96 would be rejected.
- Productivity -
Over 1 million tubes needed to be sealed
to
meet production targets.
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