Page 33 - Plastics News September 2019

FEATURES

system, as well as other mold or machine movements, In the end, the result of the prototype door project
so that all functions are perfectly synchronized. Another exceeded expectations. Compared with the steel version,
DGYDQWDJH FLWHG IRU :,7 LV WKH FRROLQJ HIIHFW RI WKH the plastic-framed door module reduced weight by 9 kg.
ZDWHU LQVLGH WKH FKDQQHO :DWHU FDQ FRRO WKH SRO\PHU The new door passed all essential validation checks and
40 times better could be assembled now in production vehicles. Cycle time
than gas, so the was around 90 sec, which was longer than the original
dimensional stability target, but acceptable. Stiffness and other mechanical
and resistance to properties were about 5% better than predicted.
deformation required Automobile manufacturers like Renault and Nissan are
for demolding are already using plastics in components like tailgates. The
achieved very Renault door project demonstrated that is practical
quickly. In fact, water to also use thermoplastics even for large components
injection reportedly like doors and body panels. PME Fluidtec believes that
can begin up to 10 similar results could be achieved in such components as
sec earlier than with gas, without the risk of delamination front ends, car seats, backrests, battery cases and wheel
RU SHQHWUDWLRQ RI WKH ÁXLG LQWR DGMDFHQW WKLQ ZDOO DUHDV ZHOOV :DWHU LQMHFWLRQ PD\ SURYH LPSRUWDQW WR UHDOL]LQJ
Thus, cycle time reductions of 15 to 25 sec can be achieved such solutions by creating cavities that result in higher
without adversely affecting product quality, according to component stiffness.
PME Fluidtec.
(Courtesy:Plastics Technology)

33 September 2019 Plastics News