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Generally injection molding machines works in horizontal manner. Injection molding machine consists of a barrel (cylindrical pipe). A hopper is located at one end of the barrel. A hydraulic ram or rotating screw runs by electric motor used of providing force is located inside the barrel. A heating element (heater) is attached to the barrel circumstantially used for melt the molding material comes down from the hopper. http://www.tzdegree.com/injection-molding-machine/

Further classifications might be by size. For instance, miniature linear bearings might work well moving a biologic slide sample just a few millimeters beneath a microscope lens while industrial-bearings on injection molding machines carry tooling of several tons. Bushings provide possibly the simplest linear bearing. These thin-walled cylinders can be injection molded of proprietary polymers infused with a lubricant. An oil-infused bronze design, also cylindrical, rides on a polished round rod. This linear-bearing classification is often referred to as slides. http://www.lsyongrun.com/sbr-rail-and-block/

An aluminum alloy is a composition consisting mainly of aluminum to which other elements have been added. The alloy is made by mixing together the elements when aluminum is molten (liquid), which cools to form a homogeneous solid solution. The other elements may make up as much as 15 percent of the alloy by mass. Zinc alloy refers to any metal composed of two or more elements in which at least one is zinc. Zinc is the 24 th most abundant naturally occurring element. The resulting metal alloy is uniform in nature and possesses increased physical, chemical, electrical and corrosion resistant properties. Stamping, also called pressing, involves placing flat sheet metal, in either coil or blank form, into a stamping press. In the press, a tool and die surface form the metal into the desired shape. Punching, blanking, bending, coining, embossing, and flanging are all stamping techniques used to shape the metal.http://www.yatfeimould.com/injection-molding/plastic-injection-molding/