Polymer plastic properties
1.Definition The main components of polymer plastics are mainly polymer compounds, whose molecular weight is about 1 000, which is only for the physical concept. …
Direct polymer extruder technology
Twin-screw extruder is a widely used continuous processing of polymer. Whether it can be extruded directly, that is, whether it can be completed at one …
Study on sintering of ptfe
From the perspective of the three factors that determine the properties of PTFE products — molecular weight, crystallinity and voidage, the voidage is mainly affected …
Moldmaker & Molding Process
A moldmaker (mouldmaker in British English) or molder is a skilled trades worker who makes molds for use in metalworking and other manufacturing industries. It …
Polymer Plastic forming machine
A plastic forming machine, or plastic molding machine, is developed on the basis of rubber machinery and metal die-casting machine. Since the polymer injection molding …
Plastics Extrusion Products & Type
Plastics extrusion commonly uses plastic chips or pellets, which are usually dried, to drive out moisture, in a hopper before going to the feed screw. …
Engineering plastic properties & list
Engineering plastics are a group of plastic materials that have better mechanical and/or thermal properties than the more widely used commodity plastics (such as polystyrene, …
Screw theory
Screw theory is the algebra and calculus of pairs of vectors, such as forces and moments and angular and linear velocity, that arise in the …
Machinist
A machinist is a person who machines using hand tools and machine tools to prototype, fabricate or make modifications to a part that is made …
Skiving machine
Skiving or scarfing machines cut material off in slices, usually metal, but also leather or laminates. The process is used instead of rolling the material …
