Mold Manufacturing Engineer

20 hours ago


Vadodara, Gujarat, India Navrang HR Solutions Full time ₹ 5,00,000 - ₹ 15,00,000 per year


Job Description:

Plastic mold manufacturing engineering involves designing and creating molds from steel or aluminum to mass-produce custom plastic parts through injection molding. This process uses high pressure to inject melted plastic into the mold cavity, where it cools and solidifies before being ejected as a finished component. Key aspects include mold design using CAD, material selection, process optimization for efficiency, and quality control to ensure accurate, high-quality parts are consistently produced. 
The Manufacturing Process

  1. Design & Tooling: Engineers design the mold, which consists of a core and a cavity, using CAD software. CNC machines then carve the mold from high-strength aluminum or steel.
  2. Material Preparation: Raw plastic granules are fed into a hopper and then into a machine's barrel.
  3. Melting & Injection: The plastic is melted by heat and friction and then injected under high pressure into the closed mold.
  4. Cooling & Solidification: The mold is cooled, allowing the molten plastic to solidify and take the shape of the cavity.
  5. Ejection: The mold opens, and ejector pins push the finished part out, which is then ready for the next cycle. 
Engineering Considerations
 
  • Mold Design:Meticulous mold design is crucial to prevent issues like blistering, burn marks, or twisting in the final product. 
  • Material Selection:Engineers select appropriate thermoplastic materials like polypropylene (PP), polyethylene (PE), or nylon (PA) based on the part's application and requirements. 
  • Process Optimization:Engineers fine-tune parameters like pressure, temperature, and injection speed to ensure efficient and high-quality production. 
  • Quality Control:Components are inspected to ensure they meet dimensional requirements and customer demands. 
  • Concurrent Engineering:Teams can work on design and manufacturing phases simultaneously to speed up the process and solve problems earlier. 
 

  • Types of Plastic Molding - E2Global
    Plastic injection molding relies on three main c



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