What is a Millwright?

Also known as: Certified Industrial Millwright, Journeyman Millwright, Precision Millwright, Industrial Maintenance Millwright.

A millwright is someone who installs, dismantles, repairs, reassembles, and moves machinery in factories, power plants, and construction sites. Because they work in production facilities and construction sites, minor injuries such as cuts, bruises, and strains are common. They are typically employed on a contractual basis and may spend only a few days or weeks at a single site. As a result, workers often have variable schedules and may experience downtime between jobs.

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What does a Millwright do?

Millwrights typically do the following:

  • Read highly technical instructions and blueprints on machinery
  • Install or repair machinery and equipment
  • Adjust and align moving parts
  • Replace defective parts of machinery as needed
  • Take apart existing machinery to clear floor space for new machinery
  • Move machinery and equipment

Millwrights are highly skilled workers. Putting together a machine can take a few days or several weeks. They need to have a good understanding of how the machine works so that they can repair it when it breaks down. Repair includes replacing worn or defective parts of the machinery when needed.

Millwrights may also be involved in taking apart existing machines, a common situation when a manufacturing plant needs to clear floor space for new machinery. Breaking down a machine is usually as complicated as putting it together. Each part must be carefully taken apart, categorized, and packaged for shipping.

Millwrights use a variety of hand tools, such as hammers and levels, as well as equipment for welding, brazing, and cutting. They also use measuring tools, such as micrometers, levels, measuring tapes, lasers, and other precision-measuring devices. On large projects, they commonly use cranes and trucks.

When millwrights and managers determine the best place for a machine, they bring the parts to the desired location using forklifts, hoists, winches, cranes, and other equipment.

How to become a Millwright

Some millwrights can receive on-the-job training lasting from a few months to one year. This training may be offered by experienced workers, professional trainers, or representatives of equipment manufacturers. A high school diploma is the typical education needed, however two-year associate’s degree programs in industrial maintenance can provide excellent preparation for prospective millwrights. Some employers offer onsite classroom training or send workers to local technical schools while they get on-the-job training. Classroom instruction focuses on subjects such as shop mathematics, how to read blueprints, welding, electronics, and computer training.

Most millwrights learn their trade through a three- or four-year apprenticeship. Apprentices learn to set up, clean, lubricate, repair, and start machinery. During technical instruction, they are taught mathematics, how to read blueprints, welding, electronics, and pneumatics (using air pressure). Many also receive computer training. After completing an apprenticeship program, millwrights are considered fully qualified and can usually perform tasks with less guidance. Apprenticeship programs are often sponsored by employers, local unions, contractor associations, and the state labor department. The basic qualifications for entering an apprenticeship program are as follows:

  • Minimum age of 18
  • High school diploma or equivalent
  • Physically able to do the work

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