TDSN 135 - Tool & Die Design I

2 Credit: (2 lecture, 0 lab, 0 clinical) 2 Contact Hours: [TDSN 105 ]

This theory course is structured primarily for tool-and-die apprentice students. Lecture topics include: dies and die types, presses and press accessories, blanking and piercing dies, die life, die blocks, die sets, die materials and material utilization, and fundamental die accessories. Emphasis is on drop-through blank dies.
OFFERED: fall semesters

Course Goals/ Objectives/ Competencies:
Goal 1: Examine the basic fundamentals of tool and die design theory.

Examine the basic principles of blanking and piercing dies.
Examine presses and press accessories.
Know the basic theory of press working sheet metal.
Calculate blanking force.
Calculate stripping force on a die.
Calculate spring load, compression.
Compare types of springs for pressure and stripping pads.
Demonstrate the basic functions of progressive strip layout and processing of a part in a progressive die.
Demonstrate the function and use of pilot pins and dies for locating/registry of sheet metal strips in a progressive die.
Compare styles and designs of die block construction.
Identify stock guides and methods for guiding stock in a sheet metal die.
Compare shedder designs in stamping dies.

Goal 2: Demonstrate the selection of components and materials.

Select die materials and flat sheet metal.
Understand the theory of how to layout basic part nesting for stamping dies.
Know various types of punch retainers, steel designs, punch designs, and configurations.
Examine the theory and purpose of die life.
Compare types of standard die sets available and their precision.
Identify strippers/pressure pads.
Identify knockout devices for return type dies.