Precision Machinist

Time-Based Apprenticeship
Sponsoring Company:
National Tooling and Machining Association
Industries
O*Net Code
51-4041.00
Rapids Code
0296
Req. Hours
6000
State
DC
Created
Apr 29, 2021
Updated
Apr 29, 2021

Time-Based Skills

10 skill sets | 10 total skills | 6000 total hours
Tool Crib - 500 req. hrs
Learning names of raw materials and names and use of tools, jigs, fixtures and gauges.
500 hrs
Drills - 1000 req. hrs
Power and radial drilling, tapping, ream-lapping, counterboring and countersinking, grinding drills, lubricants, cutting, speeds and feeds, safety.
500 hrs
Lathe - Engine - 2500 req. hrs
Chucking, use of face plate, mandrel, steady rest and follow rest, centering, straight turning, facing taper, turning with taper attachment, offset tail stock and compound, drilling, reaming.
1500 hrs
Milling Machine - 3500 req. hrs
Plain, vertical and universal. Selection of cutters, methods of holding work, vise, clamps, dividing head, circular table - plain or slab, milling, sawing, boring, fly cutter milling, vertical head, keyway cutting, slotting, spline milling, rack cutting, cutter milling, gear cutting, gang milling, form milling, speeds and feed, lubricants, safety.
1000 hrs
Shaper And Planer - 4000 req. hrs
Methods of holding work, vise, clamps, dividing head, surface and angle cutting, keyway cutting, squaring, dovetailing, speeds and feeds, grinding tools, safety.
500 hrs
Surface Grinder - 4300 req. hrs
Safety, selection of grinding wheels, speeds and feeds, mounting wheels, magnetic chuck, dressing wheels, plain or surface grinding, angle grinding, squaring.
300 hrs
Universal Grinder - 4800 req. hrs
Safety, mounting wheels, speeds and feeds, dressing wheels, straight, taper, angle face, form and hole grinding.
500 hrs
Cutter Grinder - 5400 req. hrs
Safety, mounting wheels, setting up indexing attachments, clearance angles for various types of cutters and reamers, setting up for these angles, grinding plain, spiral and end mills, reamers, form cutters.
600 hrs
Heat Treatment - 5500 req. hrs
Kinds of steel, S.A.E. classification, how to harden, draw, case and pack harden and anneal, use of pyrometer and color chart, hardness tests, quenching baths, and safety.
100 hrs
Bench Work - 6000 req. hrs
Filing, scraping, chipping, layout and assembly, use of gauge blocks and dial indicator, vernier height gauge, lapping, tapping and threading, lubricants, inspection, safety.
500 hrs