MFG 402 - Basic Die Making Theory

1. Evaluate what die hazards exist and operational safety
   1. Describe proper press set-up procedure
   2. Implement proper die assembly
   3. Maintain all machine shop safety practices
2. Assess basic die operations and terminology
   1. Determine three stages of shearing
   2. Calculate punch and die clearances
   3. Determine piece part sizing components
   4. Calculate shear tonnage
   5. Determine cutting land and die relief standards
3. Evaluate die set functions and terms
   1. Describe punch and die shoe functions
   2. List leader pin and bushing types
   3. Explain methods of die set construction
   4. Identify catalog numbers for purchased die sets
4. Implement bending principles
   1. Explain bending terminology
   2. Develop flat blank layout of the piece part
   3. Calculate bend allowance for the piece part
   4. Describe methods of over-bending a piece-part
   5. Explain spring-back in a piece part
   6. Discriminate between bend component constructions
   7. List methods of avoiding work-piece slippage during bending
5. Implement stripping principles
   1. Explain the purpose of stripping
   2. List types of strippers
   3. Calculate stripper clearance
   4. Determine stripper confinement methods
   5. Describe stripper manufacturing considerations
   6. Calculate stripper tonnage
6. Critique punch functions
   1. Cite punch types and categories
   2. Label punch terminology as it pertains to perforators
   3. Explain methods of punch confinement
   4. Determine methods of aligning punches to die openings
   5. Explain detrimental forces incurred with punches
   6. Describe methods of correcting detrimental forces involved in punching
   7. Explain methods of punch plate incorporation
7. Examine die component mounting
   1. Describe function of cap screws
   2. Determine methods of doweling components
   3. Calculate size requirements for screws and dowels
   4. Determine usage of yokes and keys
   5. Establish methods of aligning die sections in assembly
   6. Identify methods of transferring of dowel and screw holes
8. Determine die types and styles
   1. Identify the following types of dies: Blanking, Forming, Bending, Progressive, and Compound. 
   2. Describe the following types of dies: Blanking, Forming, Bending, Progressive, and Compound.
9. Analyze die steels and treatment
   1. Estimate material hardness requirements for die members
   2. Determine steel types necessary for good die wear characteristics
   3. Estimate life of die as it applies to steel types
10. Analyze stock strip guidance
    1. Identify construction of guide rails
    2. Explain methods of aligning material to back guide rail
    3. Calculate stock strip to guide rail clearance
    4. Determine finger stop applications and locations
    5. Identify pilot terminology and applications
    6. Describe difference between manual and automatic feeders
    7. Identify stock strip lifting requirements
    8. Determine piece part ejection methods