The use of inclined guide bars is preferred to the guide pins. if the opening path of the mold is long and adhesionis large as shown in Fig. 7. I Ba. The guide bar 3 starts to pull out the side ins...

Polypropylene(PP) (Fig.1.10) is a thermoplastic prlymer used in a wide variety of a pplications including packaging and labeling, textiles (e.g.,ropes, thermal underwear and carpets, stationery plasti

Operation: when the mold opens, the stationary ejector plate 14 and stationary frame plate 6 move together with mobile mold, because the stationary ejector systems are interconnected by pin 12 and ...

Polyethylene is a thermoplastic polymer consisting of long hydrocarbon chains. The term polyethylene describes a huge family of resins obtained by polymerizing ethylene gas(Fig1.9) CH2=CH2, and it is

The inclined guide pin 2 and side insert 1 are in the stationary mold as shown in Fig 7.16. The inclined guide pin 2 is fixed in the stationary clamping plate, and the side insert 1 can moves on th...

123 Thermoplastics and Thermosetting Polymers热塑性塑料与热固性塑料 A thermoplastic polymer is in a solid (glassy) state at room temperature, but flows if heated above its glass transition temperature of about

The mould with Movable forming Core.The inclined guide pin 12 is in the movable mold and wedge inserts 14 in the stationary mold as show in Fig 7.13. The inclined guide pin 12 is fixed in the movab...

​Most plastics contain other organic or inorganic compounds blended in. The amount of additives ranges from zero percentage for polymers used to wrap foods to more than 50% for certain electronic appl

Weld lines, also called knit lines, are formed when two melt fronts converge and join forming a thin fine line in the part. This can be seen in untextured parts and in highly polished surfaces. The