Search results
Results from the WOW.Com Content Network
The basic reinforcement material for this process is glass-fibre rovings, which are chopped to a length of 10 to 40 mm and then applied on the mould. For improved mechanical properties, a combination of fabric and chopped fibre layers is used. The most common material type is E-glass, but carbon and Kevlar rovings can also be used. Continuous ...
Precision glass moulding is a replicative process that allows the production of high precision optical components from glass without grinding and polishing. The process is also known as ultra-precision glass pressing. It is used to manufacture precision glass lenses for consumer products such as digital cameras, and high-end products like ...
Compression molding is a method of molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity. The mold is closed with a top force or plug member, pressure is applied to force the material into contact with all mold areas, while heat and pressure are maintained until the molding material has cured; this process is known as compression molding ...
A special roller is then used to remove air bubbles. Air bubbles, if left in the curing resin, would significantly reduce the strength of the finished mold. The fiberglass spray lay-up process is also used to produce molds, and can provide good filling of corners and cavities where a glass mat or weave may prove to be too stiff.
It is also used for forming glass bottles or other hollow shapes. In general, there are three main types of blow molding: extrusion blow molding, injection blow molding, and injection stretch blow molding. The blow molding process begins with softening plastic by heating a preform or parison. The parison is a tube-like piece of plastic with a ...
A car with the locations of the glass run channels highlighted in red A 250 mm glass run channel cleaner. A glass run channel is a groove, normally made of rubber or plastic, that is found around windows (most commonly car windows). [1] [2] [3] The primary purpose of a glass run channel is to provide a seal for the window.
Injection moulding (U.S. spelling: injection molding) is a manufacturing process for producing parts by injecting molten material into a mould, or mold. Injection moulding can be performed with a host of materials mainly including metals (for which the process is called die-casting ), glasses , elastomers , confections , and most commonly ...
Roadmaster may refer to: Roadmaster (loudspeaker) a brand of loudspeaker in Indonesia; Buick Roadmaster, an automobile produced by Buick 1936–1958 and 1991–1996; Roadmaster (bicycles) a brand of Pacific Cycle; Roadmaster, a 1973 album and title track by Gene Clark; Roadmaster (rail), a type of railroad maintenance official