Standard |
AST 103 – Structural Fundamentals
Introduces the fundamental concepts required in aerospace structural manufacturing and repair. Emphasis is placed on safety, quality, and precision. Topics include: safety, flat pattern layout, quality standards, fasteners, hand tools, and precision measuring instruments.
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Competency Areas: |
Hours: |
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Safety |
Class |
4 |
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Flat Pattern Layout |
D. Lab |
2 |
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Quality Standards |
P. Lab/O.B.I. |
9 |
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Fasteners |
Credit |
8 |
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Hand Tools |
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Precision Measuring Instruments |
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Prerequisite: |
Provisional admission |
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Corequisite: |
AST 101 |
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Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D. Lab |
P. Lab/ O.B.I. |
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SAFETY |
1 |
1 |
0 |
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Application |
Demonstrate the ability to work safely. |
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Demonstrate the ability to keep a clean, orderly, and safe work area. |
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Demonstrate proper use of personal protective equipment. |
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FLAT PATTERN LAYOUT
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14 |
6 |
27 |
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Protractor |
Read protractor. |
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Use protractor to draw inside angles. |
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Use protractor to draw outside angles. |
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Combination square |
Read a combination square. |
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Draw angles using combination square. |
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Square angles using combination square |
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Measuring instruments |
Read a scale and tape that are graduated in 1/100ths. |
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Read a scale and tape measure that are graduated in fractions/decimals. |
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Radius gauges |
Use radius gauges. |
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QUALITY STANDARDS
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7 |
1 |
9 |
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Aircraft specific |
Discuss quality standards that apply to the aircraft industry. |
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Specification manuals |
Read and interpret industry specific specifications as related to skin quality, hole preparation, fastener installation, etc. |
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FASTENERS
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7 |
6 |
27 |
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Solid shank rivets |
Identify types of fasteners (e.g., rivets, machine bolts, etc.) |
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Select type of fasteners for sheer and stress. |
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Select type of fasteners for type of materials. |
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Blind rivets |
Lay out fastener location in accordance with specifications. |
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Select and install blind rivets. |
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Remove and replace defective fasteners. |
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High strength fasteners |
Identify types of fasteners (e.g., rivets, machine bolts, etc.) |
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Select type of fasteners for sheer and stress. |
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Select type of fasteners for type of materials. |
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Standard hardware |
Identify standard hardware used in the aircraft industry. |
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Install standard hardware used in the aircraft industry. |
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HAND TOOLS
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7 |
6 |
27 |
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Identification and selection |
Identify hand tools. |
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Select correct hand tool according to job. |
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Safety |
Demonstrate safe and proper use of each hand tool. |
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Pneumatic |
Select and adjust rivet gun according to diameter and type of rivet used. |
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Select proper set according to type of fastener used. |
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Install universal rivets. |
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Install countersunk rivets. |
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Demonstrate safe and proper use of rivet gun. |
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Identify and select attachment tools. |
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Select drill motor for a given application. |
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Drill a hole in various types of materials. |
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Drill a hole in magnesium. |
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Identify and select attachment tools. |
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Demonstrate safe and proper use of drill motor. |
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Adjust torque wrench according to diameter and type of fastener. |
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Select proper tip for fastener used. |
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Remove fasteners. |
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Demonstrate safe and proper use of torque wrench. |
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Select proper disk and grit according to job. |
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Remove and replace arbor. |
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Bevel surface on metal. |
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Demonstrate safe and proper use of disk sander. |
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Remove and install cutter |
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Select cutter according to job. |
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Adjust micrometer gauge. |
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Shave a rivet head. |
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Demonstrate safe and proper use of shaver. |
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Select proper hand held pneumatic shear. |
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Demonstrate safe and proper use of hand held pneumatic shear. |
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Select proper pneumatic router. |
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Demonstrate safe and proper use of pneumatic router. |
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Select proper die grinder. |
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Demonstrate safe and proper use of die grinder. |
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PRECISION MEASURING INSTRUMENTS
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4 |
0 |
0 |
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Micrometer |
Read micrometer to three decimal places. |
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Dial caliper |
Read dial caliper to three decimal places. |
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Small hole gauge |
Read small hole gauges to three decimal places. |
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Suggested Resources |
Bonacci, N. (1987). Aircraft sheet metal.
Casper, WY: IAP.
Lockheed
Georgia, Inc. (Latest edition). Shop
project books #1 through #6. Marietta, GA: 86 S. Cobb Drive, 30063.
McDonnell
Douglas. (Latest edition). Structured
program projects. Macon, GA: 1821 Avondale Mill Rd., 31206.
Northrop
Training. (Latest edition). Hole
preparation, countersinking, predrill, & drilling.
Author.
U.S.
Department of Transportation (F.A.A.). (1976). Airframe and powerplant mechanics: Airframe
handbook. Casper, WY: IAP.
U.S.
Department of Transportation (F.A.A.). (1976). Airframe and powerplant mechanics: General
handbook. Casper, WY: IAP.
TPC Training Systems. (1982). Metal
working tools. Buffalo Grove, IL 60089.
Grinders and Shears (#6)
Hand Tools (#3)
Measuring Tools (#1)
Pneumatic Drills (#4)
Sheet Metal Working Tools (#2)
TPC Training Systems. (1982). Safety.
Buffalo Grove, IL 60089.
Introduction to Safety (#1)
Personal Protection Equipment (#5)
Recognizing Hazards (#2)
Using Machinery Safely (#4)
Working Safely (#3)