accessories pin is kind of accessories made of plastic materials in great demand as a souvenir, the hallmark of the agency and variations for clothing. pin accessories manufacturing process materials using injection molding process. One way to ease the seller in producing pin itself is a way to make the injection molding machine with a new design that has smaller dimensions than injection molding machines that already exist and more efficient source of energy in the machine. one system that is already widely used in industry, namely the pneumatic system. therefore designed injection molding machine for the manufacture of accessories pin. This machine uses pneumatic piston cylinder working system, dc motors, electric heaters, and microcomputer control. plastic melting process is set to a temperature of 230 to 250 is appropriate and driven by the screw and then injected with a pneumatic piston cylinder into the mold. in this case the temperature and time of the motor is limited by the control of micro components. the use of pneumatic systems as a means of injection molding process is expected to help alleviate the employment and as a means to facilitate the work of the entrepreneurs in the manufacture of accessories pin. injection molding machine for the manufacture of this pin accessories are very efficient because it has small dimensions, does not require a lot of energy, easy maintenance, but has good results and easy to operate.
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