Master Precision Manufacturing

Year 1 Exam Study Guide — the foundational knowledge every apprentice needs before advancing.

Yr 1Yr 2Yr 3Yr 4Red Seal →
12Topic Sections
48Key Concepts
0Flashcard Terms
Year 1Apprentice Level

Year 1 Topics

Study each topic below — these are the core knowledge areas tested in Year 1. Build a solid foundation here before advancing to Year 2 material.

📖Lathe Operations
  • Turning, facing, boring, threading, knurling
  • Chuck types: 3-jaw, 4-jaw, collet
  • RPM = (CS × 1000) / (π × D)
  • Material speeds: steel ~30 m/min, aluminum ~150 m/min
📖Milling Operations
  • Peripheral vs face milling
  • Climb milling: feed with rotation
  • Conventional: against rotation
  • End mills, face mills, shell mills
📖Drilling & Reaming
  • Twist drill: 118° angle (general)
  • 135° for harder materials
  • Spot drill prevents walking
  • Use 0.4mm under for reamer
📖Precision Measurement
  • Micrometer: 0.001mm resolution
  • Vernier caliper: 0.02mm
  • Dial indicator: 0.01mm
  • Gauge blocks (Jo blocks), surface plate
🔧Cutting Tools & Materials
  • HSS: general machining
  • Carbide inserts: faster, harder
  • TiN coating reduces friction
  • Rake/relief angle, nose radius affect finish
🦺Workshop Safety
  • Guards on rotating machinery
  • No gloves near rotating chucks
  • Safety glasses mandatory
  • Lockout before clearing jams

Red Seal Topics

Study each topic below — these are the core knowledge areas tested in Year 1. Build a solid foundation here before advancing to Year 2 material.

📋CNC Programming (G-code)
  • G00: rapid positioning
  • G01: linear interpolation
  • G02/G03: circular interpolation
  • M03/M08/M30 spindle and coolant
💡GD&T Fundamentals
  • Form: flatness, straightness, circularity
  • Orientation: parallelism, perpendicularity
  • Location: position, concentricity
  • Datum reference frames
📋Thread Standards
  • UN/UNC/UNF unified national
  • Metric: M10×1.5 designation
  • Class of fit: 1A to 3A
  • Thread verification: micrometers, wire method
📖Surface Finish & Measurement
  • Ra (arithmetic mean roughness) in µm
  • Turning: 0.8–3.2 µm typical
  • Grinding: 0.1–0.8 µm
  • Profilometer measures roughness
🔥Heat Treatment
  • Annealing: softens, relieves stress
  • Hardening: heat, quench
  • Tempering: reduces brittleness
  • Case hardening, Rockwell hardness (HRC)
📖Metrology & Quality
  • CMM: Coordinate Measuring Machine
  • SPC: Statistical Process Control
  • Cpk > 1.33 acceptable
  • ISO 9001 quality management

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