Sintering mechanisms
Sintering occurs by diffusion of atoms through the microstructure. This diffusion is caused by a gradient of chemical potential – atoms move from an area …
Types of molding machines
Molding Machines are classified primarily by the type of driving systems they use: hydraulic, mechanical, electrical, or hybrid. Hydraulic molding machines Hydraulic presses have historically …
PCTFE Differences from PTFE
PCTFE has high tensile strength and good thermal characteristics. It is nonflammable and the heat resistance is up to 175 °C.It has a low coefficient …
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 …
Blown film & Sheet/film extrusion
Blown film extrusion:The manufacture of plastic film for products such as shopping bags and continuous sheeting is achieved using a blown film line. This process …
How screw extruder works
There are five possible zones in a thermoplastic screw. Since terminology is not standardized in the industry, different names may refer to these zones. Different …
What is extrusion moulding?
Extrusion is a manufacturing process used to make pipes, hoses, drinking straws, curtain tracks, rods, and fibre. The granules melt into a liquid which is …
What are plastic extrusion products?
Plastic extrusion involves forcing melted plastic through a die into a shape with a fixed cross section. It’s an efficient way to produce many shapes, …
Extrusion Materials – Plastics
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. …
Plastics Extrusion Process
In the extrusion of plastics, the raw compound material is commonly in the form of nurdles (small beads, often called resin) that are gravity fed …
