Water Tanks

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‫بسم ال الرحمن الرحيم‬ Water Tanks Submitted to : Dr. Ra'ed Maale By: Ashraf , wafa , Amane . Abstract:    Polymeric materials processing has many mechanisms , one of the most important mechanisms , which is used in manufacturing of storage containers , toys and sporting equipments is rotational molding , which is a molding process for creating many kinds of mostly hollow items , typically of plastic . Thermoplastic resin is used in order to manufacture such products , mold features and
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    Water Tanks   Submitted to : Dr. Ra'ed MaaleBy: Ashraf , wafa , Amane .   ميحرلانحرلاامسب     Abstract:  Polymeric materials processing has many mechanisms ,one of the most important mechanisms , which is used inmanufacturing of storage containers , toys and sportingequipments is rotational molding , which is a moldingprocess for creating many kinds of mostly hollow items ,typically of plastic .  Thermoplastic resin is used in order to manufacture suchproducts , mold features and mold cycle will be discussedin details  Many polymeric materials can be molded using thismethod such as PE family LLDPE , HDPE , plasticizedPVC ,nylons and PP. this process can be accomplishedby loading a measured quantity of polymer in to themold , then heating the mold in an oven while it rotates, until the polymer has melted and adhered to the moldwall , after that the Mold is cooled , finally the part isremoved    Introduction:  Water tanks are liquid storage containers, thesetanks are usually storing water for humanconsumption. The need for water tank systemsis as old as civilized man. A water tank providesfor the storage of drinking water, irrigationagriculture, fire suppression, agricultural farmingand livestock, chemical manufacturing, foodpreparation as well as many other possiblesolutions. Rotational molding, also referred to asrotomolding, is widely used to produce hollowarticles such as water tanks.     Normally all rotation molding systems have anumber of parts including molds, oven, coolingchamber and mold spindles. The molds are usedto create the part, and are typically made of aluminum. The quality and finish of the productis directly related to the quality of the mold beingused. The oven is used to heat the part whilealso rotating the part to form the part desired.The cooling chamber is where the part is placeduntil it cools, and the spindles are mounted torotate and provide a uniform coat of plasticinside each mold
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