Essay specific features
March 15, 2015
No of pages / words:
4 / 955
Rating of current essay:
Molten polymer is injected under pressure into a mold.
Put the plastic material (Polypropylene) in granular form into the hopper. Set the injection molding temperature:
nozzle 1 240 °C, zone1 220 °C, zone 2 180 °C, zone 3 20 °C.
Press the red emergency stop button and release it by rotating in the direction of arrow...
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Mechanical testing of polypropylene samples.
Tensile testing of thermoplastics
Standards: AS 1145 (Australian standard), ASTM D 638 (US standard)
Universal testing machine Zwick Z010;
Electronic digital calliper Pro-max.
Measure and record the dimensions of the cross sections of the test specimen; Clamp up specimen in the crossheads of machine and run the test...
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