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Become A Molder Operator

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Working As A Molder Operator

  • Handling and Moving Objects
  • Performing General Physical Activities
  • Inspecting Equipment, Structures, or Material
  • Getting Information
  • Communicating with Supervisors, Peers, or Subordinates
  • Repetitive

  • $29,340

    Average Salary

What Does A Molder Operator Do At Kelly Services

* Assemble and disassemble mold bases and blocks.
* Mount the mold bases into the proper presses.
* Enter/Load the right machine settings for the job that is being set up
* Utilize the set-up master file by job number to determine what inserts and blocks go together for proper mold assembly
* Develop molding cycle following scientific molding methodology.
* Verify clamp and ejector setting.
* Document mold setup notes and process settings for individual molds.
* Perform preventative maintenance on molds, cavity blocks, inserts, and equipment as necessary.
* Keep hoppers at proper levels of material per schedule.
* Change material in hopper as needed or requested.
* Troubleshoot machine problems or mold problems and repair them when needed.
* Understand which material is required for a job and assure it is dried properly.
* Participate in beginning of day start-up and end of day shut-down of production machines as required.
* Grind runners as required or assigned.
* Maintain grinder cleanliness after each use.
* Fill out work order forms when equipment needs maintenance repairs
* May need to perform job-related activities as required
* Requirements
* Requirements
* High School Diploma or GED
* Stable work history
* Must have 2+years of injection molding set up
* Knowledge of plastic injection molding equipment, plastic resins, and molds
* Knowledge troubleshooting molding defects
* Knowledge of set-up and tear-down procedures of molds

What Does A Molder Operator Do At Thermo Fisher Scientific

* Stock molding rooms with necessary supplies during shift and at the end of shift before shift change.
* Immediately notifies maintenance of any quality or downtime issues.
* Pulls full boxes/crates from under machines.
* Inspects parts for any defects or quality issues before closing box/crate.
* Close all boxes/crates, weigh if necessary, apply label and stage.
* Bring in any colorant or resin, as directed by Lead Molding Operator.
* Moves all finished products to holding areas.
* Inspect and stack beakers off of tools, tie bags and label bags.
* Sort quarantine created by your assigned machines, when time permits.
* Removes and weighs all scrap by product and coordinates with Supervisor all totals.
* Keep assigned machines clean including the floor under and around machines, Wipe up oil leaks.
* Takes all trash to dumpster.
* Cover for other Mold Operator during breaks.
* May pull samples after 30 days on the job and be trained by lead operator.
* Performs other duties as requested by Production Supervisor or Molding Department Manager

What Does A Molder Operator Do At Weatherford

* Perform dipping and painting sequences as needed for product inserts requiring in-mold bonding.
* Perform load and unload sequences for rubber molds and associated ovens.
* Trim, inspect and identify finished molded rubber parts.
* Perform secondary assembly and testing as required.
* Assist in warehousing or associated inventory activities as required.
* Be willing to accept training to progress to Rubber Molder Operator II.
* Work assignments carried out to the highest quality level.
* Perform other duties as required by Supervisor within the physical constraints of the job

What Does A Molder Operator Do At MacLean-Fogg

* Ability to troubleshoot and decision making based on process requirement
* Coordinate flow of material
* Communicate with management and maintenance
* Read specifications to determine setup and prescribed settings
* Read blue prints; Bill of materials
* First piece inspection Visual and per blue print.
* Complete quality control forms
* Heavy Lifting for Post
* Operate machines/ hand tools
* Perform equipment checks /Complete preventive maintenance
* Select tools and materials for the job
* Study and interpret assembly instructions.
* Check accuracy of work against blueprints and specifications
* Inspect products for visual defects and flaws
* Ensure working environment is clean and safe

What Does A Molder Operator Do At Techtronic Industries North America, Inc.

* RESPONSIBILITIESinclude the following.
* Follow Standard Operating Procedures to inspect, trim, and pack molded parts
* Rotate to various work stations
* Keep work area clean
* Perform other duties as assigned

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How To Become A Molder Operator

A few months of on-the-job training is enough for most workers to learn basic machine operations, but 1 year or more is required to become proficient. Computer-controlled machine workers may need more training.


Employers prefer metal and plastic machine workers who have a high school diploma. Prospective workers can improve their employment opportunities by completing high school courses in computer programming and vocational technology, and by gaining a working knowledge of the properties of metals and plastics. Having a sturdy math background, including taking courses in algebra, geometry, trigonometry, and basic statistics, is also useful.

Some community colleges and other schools offer courses and certificate programs in operating metal and plastics machines.


Machine operator trainees usually begin by watching and helping experienced workers on the job. Under supervision, they may start by supplying materials, starting and stopping the machines, or by removing finished products. Then they advance to more difficult tasks that operators perform, such as adjusting feed speeds, changing cutting tools, and inspecting a finished product for defects. Eventually, some develop the skills and experience to set up machines and help newer operators.

The complexity of the equipment usually determines the time required to become an operator. Some operators and tenders learn basic machine operations and functions in a few months, but other workers, such as computer-controlled machine tool operators, may need a year or more to become proficient.

Some employers prefer to hire workers who either have completed or are enrolled in a training program.

As the manufacturing process continues to utilize more computerized machinery, knowledge of computer-aided design (CAD), computer-aided manufacturing (CAM), and computer numerically controlled (CNC) machines can be helpful.

Licenses, Certifications, and Registrations

Certification can show competence and professionalism and can be helpful for advancement. The National Institute for Metalworking Skills (NIMS) offers certification in numerous metalworking specializations.


Advancement usually includes higher pay and more responsibilities. With experience and expertise, workers can become trainees for more advanced positions. It is common for machine operators to move into setup or machinery maintenance positions. Setup workers may become industrial machinery mechanics and maintenance workers, or machinists or tool and die makers.

Experienced workers with good communication and analytical skills may move into supervisory positions.

Important Qualities

Computer skills. Metal and plastic machine workers must often be able to use programmable devices, computers, and robots on the factory floor.

Dexterity. Metal and plastic machine workers who work in metal and plastic machined goods manufacturing use precise hand movements to make the necessary shapes, cuts, and edges that designs require.

Mechanical skills. Metal and plastic machine workers set up and operate machinery. They must be comfortable working with machines and have a good understanding of how the machines and all their parts work.

Physical stamina. Metal and plastic machine workers must be able to stand for long periods and perform repetitive work.

Physical strength. Metal and plastic machine workers must be strong enough to guide and load heavy and bulky parts and materials into machines.

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Molder Operator jobs

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Molder Operator Career Paths

Molder Operator

Molder Operator Demographics


  • Male

  • Female

  • Unknown



  • White

  • Hispanic or Latino

  • Asian

  • Unknown

  • Black or African American

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Languages Spoken

  • Spanish

  • French

  • Carrier

  • Khmer

  • Chinese

  • Tigrinya

  • German

  • Russian

  • Hebrew

  • Dakota

  • Arabic

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Molder Operator

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Molder Operator Education

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Top Skills for A Molder Operator


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Top Molder Operator Skills

  1. Inspect Parts
  2. Safety Guidelines
  3. Injection Mold Machines
You can check out examples of real life uses of top skills on resumes here:
  • Trim, pack, and inspect parts, load and unload trucks, input inventory into computer, tow motor.
  • Followed quality and safety guidelines and met all productivity goals.
  • Operated injection mold machines, gauged parts, filled boxes and scanned labels with RF scanners.
  • Fort Collins, CO 05/30/2006 - 06/23/2006 Plastic Injection Molding Operator (Contract Employee), Temporary Placement.
  • Assemble, trim, inspect and package parts for automotive sound reduction.

Top Molder Operator Employers

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Molder Operator Videos

Injection Molding Basics - Machine (excerpt)


Basic Injection Molding Machine Operations - Paulson Training