<![CDATA[This apprenticeship report discusses the manufacturing process of TS Valve Socket ½ Inch using an injection molding machine at PT. Pralon Karawang. The purpose of this report is to understand the production stages and the operation of injection molding machines in producing products that meet quality standards. The methods used include direct field observation, data collection from the production process, and literature studies related to injection molding and polymer materials. The production process consists of several stages, namely process planning, preparation of unplasticized Polyvinyl Chloride (uPVC) material, machine parameter setting, feeding, plasticizing, injection, cooling, ejection, trimming, and quality control. The observation results indicate that process parameters such as barrel temperature, injection pressure, and cooling time have a significant effect on the final product quality, particularly dimensional accuracy and surface finish. Furthermore, proper operation of the injection molding machine in accordance with standard operating procedures can improve production efficiency and reduce product defects. Therefore, it can be concluded that a well-controlled injection molding process supported by strict quality control is essential to produce TS Valve Socket ½ Inch products that comply with production standards at PT. Pralon Karawang.]]>
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