32420394Tool Making Theory 1
Course Information
Description
Lecture and demonstration course supporting advanced lab activities in Machine Tool 3. Major emphasis is on the nomenclature, theory, construction features, design, and technology of Stamping and Forming Dies. Students will also design and plan a special die, mold, tool, or advanced CNC projects to constructed in Machine Tool 3.
Total Credits
2
Course Competencies
  1. Explain basic stamp die principles
    Assessment Strategies
    when the learner completes assigned questions from the text
    in the MATC classroom and lab
    when the learner passes the written evaluation
    Criteria
    learner recognizes basic stamp die terminology
    learner identifies stock strip components
    learner compares the process of blanking and piercing
    learner relates stripping action to stock strip
    learner explains the three stages of shearing action on the stock strip material
    learner compares cutting clearance as to proper, excessive, and insufficient amounts
    learner identifies the cut band
    learner determines bur location for blanking and piercing
    learner determines amount of clearance, and when to use straight or angled clearance
    learner explains die life, applications, and sharpening of lands
    learner calculates cutting and stripping forces

  2. Identify basic stamp die components
    Assessment Strategies
    when the learner completes assigned questions from the text
    in the MATC classroom and lab
    when the learner completes the die components worksheet
    when the learner passes the written evaluation
    Criteria
    learner identifies the basic stamp die components
    learner identifies basic die sets and components
    learner explains the types of guide pins and their usage
    learner explains the use of set blocks
    learner explains the use of stock guides
    learner explains the different styles of piercing and blanking punches
    learner explains heeling punches and support blocks
    learner explains the use of fixed and spring strippers
    learner explains the use of pilot punches and pilots
    learner explains the use of oil seal breakers, lifter pins, and lifter rails
    learner explains the use of stops
    learner determines the proper spring loads and travel for stripping action

  3. Utilize industrial catalogs to select standard components for purchase
    Assessment Strategies
    in the MATC classroom and lab
    when the learner completes the worksheet for sketching and dimensioning the following die components: guide pins and posts, piercing punches, and blanking punches
    when the learner passes the written evaluation
    Criteria
    learner explains the economics of standardization
    learner identifies the Danly or Superior numbering system
    learner explains the differences in die sets
    learner uses the numbering system to order a die set and components

  4. Explain basic forming die principles
    Assessment Strategies
    when the learner completes assigned questions from the text
    in the MATC classroom and lab
    when the learner completes the die components worksheet
    when the learner passes the written evaluation
    Criteria
    learner develops plan and stock strip layout
    learner calculates bending and forming allowances
    learner explains forming as it pertains to vee and wipe forms
    learner explains the usage of pressure pads

  5. Distinguish what a die can or cannot accomplish
    Assessment Strategies
    when the learner completes assigned questions from the text
    in the MATC classroom and lab
    when the learner completes the die problems worksheets
    when the learner passes the written evaluation
    Criteria
    learner explains what radii a die can control
    learner explains control of lengths, widths, and tolerance of flat piece parts
    learner explains control of hole/ slot locations and tolerance on piece parts
    learner determines how to control angularity on piece parts
    learner explains control of lengths, widths, and tolerance of formed piece parts
    learner recommends solutions to stamping die problems

  6. Develop techniques for shop sketching and designs
    Assessment Strategies
    in the MATC classroom and lab
    when the learner completes assigned layout problems
    when the learner completes the die components worksheet
    Criteria
    learner extrapolates part drawings check-off using 50% tolerance technique
    learner develops flat blank layout for flat and formed part
    learner computes minimal material usage using the paper doll technique
    learner determines part ejection
    learner develops master timing sketch of pierce punch, stock lift, set block, feed line height, and shut height
    learner develops stock strip layout using the "last is first technique"
    learner creates die section layout by tracing stock strip
    learner develops plan view of punch and stripper mounting using the inverted die section layout
    learner differentiates separate elevation timing of all punch operations other than piece and pilot punches
    learner explains stripper mounting and elevation timing of pilot punch
    learner selects die set and determine parallel position for part removal

  7. Produce working dimensional drawings for canned die/project
    Assessment Strategies
    in the MATC classroom
    with canned die and punch holder block geometries
    with CAD/CAM software and computer
    by the end of the semester
    Criteria
    learner chooses a part to produce
    learner generates a piece part print
    learner modifies die block and punch holder block to accommodate his/her part
    learner generates a stripper drawing
    learner generates a side view (Die Height) drawing
    learner dimensions drawings

  8. Explain the set up and operation of the stamp press
    Assessment Strategies
    in the MATC stamping lab
    with the Greenerd stamping press and manual
    with the necessary tools and supplies
    with the assistance of the instructor
    Criteria
    learner attends stamping press set up and operation demonstration
    learner associates safety precautions, attitudes, and actions for the proper working conditions
    learner properly installs the die and clamps
    learner operates the controls to set up the die height, stroke, and dwell
    learner cycles the stamping press to produce their part
    learner properly shuts down the machine