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Official Course
Description: MCCCD Approval: 04/23/96 |
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CAD262
1996 Fall – 2012 Fall |
L+L
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1
Credit(s) |
2
Period(s) |
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Introduction
to Jig Design |
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The jig design process and specific techniques of jig
drawing. Proper locating and holding of single or multiple parts for the
drilling of holes and their related operations. Prerequisites: CAD260 or permission of Instructor.
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Go to Competencies Go to Outline
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MCCCD
Official Course Competencies: |
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CAD262 1996
Fall – 2012 Fall |
Introduction to Jig Design |
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1.
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Identify when a jig should be used. (I) |
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2.
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Identify each of the basic types of jigs and explain its
use. (I) |
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3.
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Build a prototype drawing for jig drawings. (II) |
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4.
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Explain the ways that chip generation can damage parts and
recommend designs to minimize those problems. (II) |
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5.
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Explain what impact volume has on the selection of drill
bushings. (III) |
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6.
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Identify the configuration and number of points needed to
locate a rectangular part in a jig. (IV) |
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7.
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Identify the basic principles of clamping that are used to
counter cutting tool forces in jigs. (IV) |
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8.
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Draw an indexing jig to put holes on the base circle of a
hub. (I-IV) |
Go to Description Go to top of
Competencies
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MCCCD
Official Course Outline: |
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CAD262 1996
Fall – 2012 Fall |
Introduction to Jig Design |
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I. Drill jig A. Purpose B. Types of operations C. Types of jigs 1. Plate 2. Leaf 3. Box/tumble 4. Indexing 5. Vise II. Jig design
considerations A. Rigidity B. Locating and clamping C. Chip control D. Jig feet E. Economics for use III. Drill bushings A. Head type vs. headless B. Press fit C. Renewable D. Liner IV. Locating and clamping A. Basic principles of
surface location B. Basic principles of
clamping |