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UNIT D:TOOLING DESIGN, MACHINES, AND AUTOMATION IN MANUFACTURING
COMPETENCY: 008.00: Design tooling to to improve manufacturing processes.
OBJECTIVE: 008.01: Design a tooling jig or fixture to use in material processing.

 
 

A.   Discuss the purpose of holding tools and positioning tools.

I. The two most common holding tools are pliers and clamps
 

Pliers Pliers are hand tools that hold small parts. Common plier styles are slip joint, groove joint, locking, and needle nose.
Clamps   Clamps hold pieces of material to a machine during processing and are also used for holding two pieces together during gluing or bonding.
Common hand clamps are bar clamps, C-clamps, hand screw, and toggle clamps.

2. The two most common positioning tools are jigs and fixtures
 

Jig A device used to hold or support a workpiece and guide a tool to the proper location
Fixture    A device also used to hold a workpiece for machining or assembly, but does not act as a guide for a tool

B. Contrast the differences between jigs and fixtures.

I. Jig: may be used to guide a tool.
2. Fixture: usually used on a machine (fixed) to guide a  workpiece or provide safety.
C. Identify jigs and fixtures in the technology lab
1. Common machine guides (ie. Miter gauge, rip fence and clamping devices)
2. Discuss examples and possibilities.
D. Analyze and redesign, or modify a jig and/or fixture in the technology lab.

 
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