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Injection molding machines. (Equipment).

The PM18 bench-top injection molding machine is used in product development, model making, prototype molding and short run production applications. A lever actuated clamping mechanism keeps mold halves shut with 18 tons of clamp force. It injects up to 3 cu. in. of plastic melt, for up to 2 oz. maximum shot size, with 10,000 psi. Both functions are variable through pressure regulation. Injection barrel and plunger are made of hardened tool steel in close tolerances. Purge button facilitates one shot cleaning of the barrel and the 1-1/2" eject pin stroke can open the mold as well as eject the part. Maximum mold size is 8" x 8" x 5" thick and air consumption is 1/3 cu. ft. per molding cycle. Mold type needs to be a hinged book type mold or one that allows the operator to place the top half on the bottom half by hand. The entire mold is pneumatically shuttled out to the operator for ease of handling. The semi-automatic cycle will then repeat when the operator starts the cycle with the anti-tie-down "opto touch" buttons. Components include an Allen Bradley mini PLC, solid-state temperature controller and digital timers for controlling the mold cycle. (Gluco)

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Publication:Rubber World
Article Type:Brief Article
Geographic Code:1USA
Date:Dec 1, 2001
Words:206
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