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    Whelen Engineering Company

    Manufacturing

    Injection Molding Technician – LSR (Liquid Silicone Rubber)

    Charlestown, United StatesOn-SiteFull-timePosted 1mo ago
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    Job description

    We are seeking motivated Injection Molding Technicians to support our LSR (Liquid Silicone Rubber) molding operations in a high-volume manufacturing environment. This position will primarily focus on LSR processing, troubleshooting, automation support, mold changes, startups, Machine Maintenance, and maintaining production efficiency while meeting safety and quality standards. Experience levels range from entry-level candidates willing to learn to advanced technicians with LSR processing and automation experience.

    Perform mold changes safely and efficiently Start up, shut down, and troubleshoot LSR molding machines Set up and maintain LSR pumps, mixers, and feed systems Monitor and adjust LSR mix ratios and material delivery systems Troubleshoot molding defects including flash, short shots, air traps, cure issues, and material inconsistencies Support automation systems, robots, and EOAT setups Maintain process parameters and document process changes Follow setup sheets and standard processing procedures Work with tooling, engineering, and production teams to improve processes Maintain clean work areas and follow contamination prevention procedures for silicone materials Follow all safety and lockout/tagout procedures Mechanical aptitude required Manufacturing experience preferred Injection molding or LSR experience preferred but not required for entry-level candidates Ability to troubleshoot mechanical and process-related issues Strong communication and teamwork skills Ability to work in a fast-paced manufacturing environment Willingness to work overtime as needed Experience with Liquid Silicone Rubber (LSR) molding Understanding of LSR curing, venting, and flow characteristics Experience with LSR pumps, mixers, and dosing systems Experience with automation and robotics Scientific molding knowledge RJG or AIM training/certifications

    Job details are sourced from the employer's original posting.

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    About the company

    Whelen Engineering Company

    Whelen Engineering Company is a global leader in the design and manufacture of advanced warning equipment, lighting, and control systems for emergency vehicles, aircraft, and mass transit.

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    Industry
    Manufacturing
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