APR 272
Machining for Industrial Maintenance
Portland Community College · UGRD · Fall 2026
Catalog description
Provides introductory level training in the practical application of machine manufacturing and fabrication technologies to the installation, repair, and adjustment of heavy equipment and machinery found at today's Industrial worksites. Covers the use of machinist's basic measuring tools such as the machinist's scale, combination square, depth micrometer, and vernier caliper. Covers the use of machinist's layout tools such as the divider, scribe, and prick punch. Introduces the use of turning machines for operations such as counterboring, grooving, and tapping; introduces the use of drilling machines for operations such as precise drilling, countersinking, and reaming; introduces the use of lathe and threading machines for operations such as head fabricating, cutting, chasing, and rolling for the forming of internal/external threads. Emphasizes safe work practices around hand and power fabricating tools of all kinds. Prerequisites: APR 268 , and ( WR 90 and RD 90 ) or IRW 90 and MTH 20 or equivalent placement or department permission. Audit available.
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