Millwright apprenticeship

Description of an apprenticeship as a Millwright apprenticeship

Millwright apprenticeship

DOT code: 638.281-018, AIMS: 0335

Visit the Occupational Outlook Handbook for a detailed description of this trade. Type the trade name in the search box and hit enter.


Installs machinery and equipment according to layout plans, blueprints, and other drawings in industrial establishment, using hoists, lift trucks, handtools, and power tools: Reads blueprints and schematic drawings to determine work procedures. Dismantles machines, using hammers, wrenches, crowbars, and other handtools. Moves machinery and equipment, using hoists, dollies, rollers, and trucks. Assembles and installs equipment, such as shafting, conveyors, and tram rails, using handtools and power tools. Constructs foundation for machines, using handtools and building materials, such as wood, cement, and steel. Aligns machines and equipment, using hoists, jacks, handtools, squares, rules, micrometers, and plumb tools. Assembles machines, and bolts, welds, rivets, or otherwise fastens them to foundation or other structures, using handtools and power tools. May operate engine lathe to grind, file, and turn machine parts to dimensional specifications. May repair and lubricate machines and equipment. May install robot and modify its program, using teach pendant. May perform installation and maintenance work as part of a team of skilled trades workers.

Work process schedule

Task Hours
A. Introductory training 500
B. Drill press 500
C. Shaper 500
D. Engine lathe 500
E. Milling machine 500
F. Bench and floor 500
G. Rigging and climbing 500
H. Installation 150
I. General maintenance and repair 3000
(Every 2,000 hours = one year) total hours: 8000

Related technical instruction

The Commonwealth of Massachusetts requires 150 hours each year of related technical instruction which must be mastered by the apprentice in order to successfully complete the program. The following is a general listing of instruction topics for this trade. For further information, please call the Division of Apprentice Standards at (617) 626-5409.

First year
Use, care, and reading of tools
Shop arithmetic
Machine tool operation theory
Blueprint reading and drawing

Second year
Shop geometry
Hand book
Fundamentals shop drawing symbols
Technical english
Elementary physics

Third year
Shop mathematics
Welding theory
Schematic drawing, and floor layout
Elementary physics

Fourth year
Shop mathematics (including trigonometry)
Schematic drawing and floor layout
Strength of materials
Social economics