Standard

Posted: 08/24/05

AEP 111 - Tool Design III

Course Description

Continues the development of the knowledge and skills required for tool design. Topics include: assembly jigs, handling fixture, and weld fixture design.

Competency Areas	Hours
Assembly Jigs	Class	4
Handling Fixture	D. Lab	6
Weld Fixture Design	P. Lab/O.B.I.	0
	Credit	7

Prerequisite:	AEP 110
Corequisite:

Course Guide

Competency	After completing this section, the student will:	Hours
		Class	D.Lab	P.Lab/ O.B.I.

ASSEMBLY JIGS		15	30	0
Types	Identify and describe basic types of assembly tools.
Design	Determine type and size of framework and standard steel sections to be used.
Sketch	Make a freehand sketch of framework in which locators, clamps, and a workpiece assembly will be placed.
Localities and clamps	Select type and size of localities and clamps using standard parts where possible.
Scale	Choose scale of drawing and sheet size.
Distances	Determine distances between views and draw workpiece lightly in one or more views.
Framework	Design the main framework.
Views	Complete necessary views.
	Trace a design onto a final drawing.
Dimensions	Add dimensions and identification balloons.
	Add station lines and references to master tooling as required.
	Add target locations.
	Darken views and trace a workpiece with red lead.
General notes	Complete tool function, general materials list, and general notes.
HANDLING FIXTURE		10	20	0
Workpiece structure	Analyze a workpiece structure to determine support locations.
	Determine the method of support (i.e., contour plates, fittings, etc.).
Sketch	Make a freehand sketch of main structure and wheel assemblies.
	Sketch a support mechanism and method for attaching it to the main framework.
Strength and size	Determine strengths and sizes required for structural members.
Scale	Determine scale and sheet size.
Basic views	Design basic views and ad sectional views as required.
Station lines	Add station lines and identification balloons.
Center of gravity	Determine the center of gravity and identify it on the drawing.
Shading	Darken the views showing the workpiece assembly in red.
General notes	Complete general notes, materials list, and title block.
WELD FIXTURE DESIGN		15	10	0
Sketch	Draw a freehand sketch of the proposed weld fixture using correct locators and toggle clamps.
Scale	Choose correct sheet size and scale of drawing.
Design	Lay out a workpiece assembly with the number of views required.
Steps	Follow design steps to complete the layout.

Suggested Resources

Books

Altintas, Yusuf. (2000). Manufacturing Automation: Metal Cutting Mechanics, Machine Tool Vibrations, and CNC Design. New York, NY: Cambridge University Press.

Henriksen, Erik Karl. (1974). Jig and Fixture Design Manual. (1^st ed.). New York, NY: Industrial Press.

Hilton, Peter D. (2000). Rapid Tooling: Technologies and Industrial Applications. New York, NY: Marcel Dekker.

Hoffman, Edward. (2003) Jig and Fixture Design, 5E (1st ed.) Independence, KY: Thomson Delmar Learning.

Joshi, Prakash Hiralal. (2002) Jigs and Fixtures Manual. (2^nd ed.) New York: McGraw-Hill.

Schertz, Karen. (2001). Design Tools for Engineering Teams: An Integrated Approach. (1^st ed.). Independence, KY: Thomson Delmar Learning.

Society of Manufacturing Engineers. (2003) Fundamentals of Tool Design (5^th ed.). Princeton, NJ: Prentice Hall.

NOTE: Henriksen’s book “Jig and Fixture Design Manual” is textbook used by Scott McKinley for the Aerospace Tool Design Specialist Technical Certificate of Credit program.