Master Die Design & Precision Manufacturing

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

Yr 1Yr 2Yr 3Yr 4Red Seal →
12Topic Sections
50Key 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.

📖Die Terminology
  • Punch: male piercing component
  • Die: female cavity component
  • Stripper: removes workpiece
  • Die clearance: 8-12% per side
  • Land: flat cutting edge section
📖Types of Dies
  • Blanking die: cuts blank shape
  • Piercing die: punches holes
  • Bending die: forms angles
  • Compound die: multiple ops one stroke
  • Progressive die: sequential operations
📖Press Operations
  • Tonnage: P = (L × t × τ) / 1000
  • Mechanical press: flywheel energy
  • Hydraulic press: constant force
  • Ram speed, shut height critical
🔧Tool Steel Selection
  • D2: 12% Cr, air hardened
  • H13: hot work tool steel
  • A2: air hardening general purpose
  • P20: pre-hardened injection molds
🔧Heat Treatment for Tooling
  • D2: 1010°C austenitize
  • Air quench, double temper
  • Target HRC 58-62
  • Cryogenic treatment, stress relief
📖Jigs & Fixtures
  • Jig: guides tool and locates part
  • Fixture: locates only
  • 3-2-1 locating principle
  • Clamping opposes cutting force

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.

🔌EDM (Electrical Discharge)
  • Sinker EDM: shaped electrode erodes
  • Wire EDM: thin wire, ±0.005mm
  • Dielectric fluid cools and flushes
  • Fine spark settings improve finish
📖Die Clearance & Quality
  • Insufficient: secondary shear
  • Excessive: large burr, fracture
  • Angular clearance: 1-3° relief
  • Prevents die binding
📖Progressive Die Design
  • Strip layout maximizes utilization
  • Pilot holes for registration
  • Carrier/web holds strip
  • Station sequence critical
📖Precision Grinding
  • Surface grinder: ±0.005mm
  • Cylindrical grinder: OD and ID
  • Jig grinder: contoured profiles
  • Spark-out: final finish passes
📖CMM & Inspection
  • Coordinate Measuring Machine
  • Radius gauges, optical comparators
  • Surface plate, height gauge
  • First article inspection (FAI)
🔧Injection Mold Tooling
  • Sprue: entry channel
  • Runner: melt distribution
  • Gate: cavity entry
  • Parting line, ejector pins

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