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Molding - Mixer

Company: polytainers
Location: Lees Summit
Posted on: March 18, 2023

Job Description:

Molding - Mixer

Lee's Summit, MO, USA Req #354

Tuesday, March 14, 2023


The Lee's Summit Molding department is responsible for manufacturing plastic food containers using injection molding, thermoforming, and in-mold labeling (IML). The Molding department runs a 24/7 schedule with continental, 12-hour shifts.

Reporting to the Molding Shift Supervisor, the Molding Mixer is primarily responsible for replenishing resin and pigment to the molding machines. The Mixer will also perform Product and Color changes when required.


Replenish Molding Materials (Resin / Pigment)

  • Visually check for low pigment levels at machines during scheduled times throughout the shift
  • Replenish the pigments at machines with low levels
  • Monitor and replenish resin supply when used from gaylord
  • Check resin levels in surge bins and silos and report to shift supervisor, as needed
  • Verify material deliveries as necessary and report resin shortages as needed
  • Check silos to ensure there is no resin leak and keep the surrounding area free of spill.
  • Perform daily cleaning of resin loading system and maintain accurate records
  • Inspect and clean hopper magnet and filters during daily scheduled cleaning and sign off cleaning documents
  • Manual mixing of resin and color as needed
  • Be familiar with Gravimetric blender operation basic steps in blending resin and color as needed, know to download and run different recipes
  • Keep records of resin/pigment lot traceability and submit reports daily
  • Assist in resin and pigment engineering trials as required
  • Drain resin from surge bins into gay-lords for delivery to Zip/Lees Summit as required

    Perform Resin/Color Changes
    • Perform tests to determine melt index for resin in Quality Control lab and keep records
    • Work on getting resin and pigment supply daily for mold changes and sign off mold change forms
    • Properly store uncontaminated pigment of used color in the color bins
    • Transport the color bins between warehouse and production floor
    • Ensure color units are operational

      Perform Resin Change
      • Perform the resin change-over according to the schedule
      • Collect the used resin and properly store the uncontaminated resin in the surge bins
      • Inspect and Clean Machine hopper magnets and filters on a bi-weekly schedule and keep records
      • Report maintenance of machine hopper magnets and filters
      • Maintain color units and report color motor and blender issues to appropriate parties
      • Daily/Weekly/Monthly Mixer check list to be completed by Mixer

        Documentation & Housekeeping
        • Complete the bi-weekly sign off sheet for magnet and machine hopper cleaning
        • Clean the production floor of any resin/pigment spill during replenishment
        • Clean the surge bin area clear off any resin / pigment
        • Maintain surge bin and pump room cleanliness at all times
        • Keep the pigment and gay-lord storage area clean and tidy and report any issues

          • Diagnose vacuum in material deliver lines and take appropriate actions
          • Escalate issues to maintenance when problem not resolved
          • Keep track of replacement hose and filter stocks and report as needed
          • Perform basic troubleshooting on the con air blender and escalate to any foreseen issues
          • Change color motor as necessary and advise maintenance if repairs are required

            Adheres to Company Policies and Procedures
            • Never compromise safety
            • Treat fellow Team Members with honesty, respect and dignity
            • Meet standards of conduct
            • Adhere to 5S, SQF and Health and Safety rules
            • Any other duties as assigned by SS/PT


              Educational Requirements: High school diploma, GED, or equivalent

              Minimum Experience/Field: Minimum six months of work experience.

              Courses Required:

              Computer Skills: Good PC skills including working knowledge of Microsoft Office applications

              Additional Certificates/Diplomas:

              Licenses/Permits Required:

              Physical Requirements: Ability to carry, lift, and move up to 50 pounds. Ability to engage in prolonged standing, walking, and movements. Ability to reach above shoulder height and below waist length consistently. Ability to engage in frequent and repetitive body movements.

              Communication Skills: Fluent in English with good verbal and written communication skills.

              Additional Education/Experience/Skills: Previous experience handling the skyjack would be an asset.


              • Ability to anticipate and handle challenging situations effectively, seeking input and involving others when possible
              • Ask questions. requests assistance, and provides aid to others as needed.
              • Demonstrates a strong sense of urgency, assuming responsibility without being asked in order to achieve results
              • Completes tasks quickly, efficiently, and accurately, enabling the department to meet or exceed its production goals
              • Maintain an effective relationship with internal and external customers by meeting expectations, gaining trust and respect, upholding a customer focused culture
              • Maintains proper inventory, stock, and upkeep of all Mixing materials across assigned areas on the shop floor.

                Polytainers is proud to be an Equal Employment Opportunity employer. Polytainers is committed to diversity and inclusivity in employment and welcomes applications from qualified individuals of diverse backgrounds. Polytainers is also committed to providing accommodations for people with disabilities. If you require an accommodation, we will work with you to meet your needs.
                Other details
                • Pay Type Hourly Associated topics: die, fixture, mold, melt, molten, tool, toolmaker, tool and die, tool designer, tool die

Keywords: polytainers, Lee's Summit , Molding - Mixer, Other , Lees Summit, Missouri

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