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A plastic extrusion machine extrudes plastic in a continuous profile. The main machine is usually called the host, and its accompanying equipment are called the plastic auxiliary equipment. Plastic extruders can make plastic film/wrapping, packing tape, corrugated sheets, plastic lumber, pipes, tubes, insulated wire, monofilament and nets.
Chevrolet C/K with body side moulding. Automotive moulding or car body moulding are decorative and protective mouldings on the car body.The term applies both to the detail and the material.
The moisture turns to steam when heated in the barrel of the machine, and becomes tiny gas bubbles that streak across the plastic as injection occurs. [2] This causes the silvery pattern, or streaks, to appear on the surface of the plastic. Splay can be avoided by keeping moisture out of plastics and injection molding machines.
Reaction injection molding (RIM) is similar to injection molding except thermosetting polymers are used, which requires a curing reaction to occur within the mold. Common items made via RIM include automotive bumpers , air spoilers , and fenders .
Flash, center, on a molded plastic laundry basket. Plastic has filled an area that should be an empty space, probably by seeping through a gap where the molds were not clamped sufficiently close together. Flash, also known as flashing, is excess material attached to a molded, forged, or cast product, which must usually be removed.
Injection mold construction is the process of creating molds that are used to perform injection molding operations using an injection molding machine. These are generally used to produce plastic parts using a core and a cavity. Molds are designed as two-plate or three-plate molds, depending on the type of component to be manufactured.
An injection molding machine (also spelled as injection moulding machine in BrE), also known as an injection press, is a machine for manufacturing plastic products by the injection molding process. It consists of two main parts, an injection unit and a clamping unit .
Filter for noozle with a plastic toy next to it. Injection moulding is used to create many things such as wire spools, packaging, bottle caps, automotive parts and components, toys, pocket combs, some musical instruments (and parts of them), one-piece chairs and small tables, storage containers, mechanical parts (including gears), and most other plastic products available today.
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