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Official Course
Description: MCCCD Approval: 04/23/96 |
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CAD244
1996 Fall – 2012 Fall |
L+L
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1
Credit(s) |
2
Period(s) |
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Racks,
Panels, Chassis, and Enclosures |
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Introduction to the design and drawing of electronic card
racks, control panels, and chassis/enclosures. Generation of specification
control drawings to insure that purchased parts meet manufacturing
requirements, and on "make from" drawings for altering purchased
parts. Prerequisites: CAD240 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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CAD244 1996
Fall – 2012 Fall |
Racks, Panels, Chassis, and Enclosures |
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1.
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Generate a specification control drawing for a series of
universal cabinet enclosures. (I, V, VI) |
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2.
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Explain the function of each of the elements in a large
mechanical package. (II-V) |
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3.
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Prepare, as a member of a design group, a detail drawing
for a closed bench. (36.00") 19" rack. (II-V) |
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4.
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Design a front panel drawing and its associated silkscreen
for a 19" rack. (IV) |
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5.
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Select a card rack and back plane for a 19" rack. (V)
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Go to Description Go to top of
Competencies
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MCCCD
Official Course Outline: |
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CAD244 1996
Fall – 2012 Fall |
Racks, Panels, Chassis, and Enclosures |
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I. Specification control
drawings A. "Spec" control
drawings 1. Purpose 2. Basic elements B. Tabular drawings 1. Assigning dash numbers
to part families 2. Matrix Bill of Material
(BOM) for subassemblies II. Mechanical packaging of
electronic components A. Racks B. Panels C. Chassis/enclosures D. Design considerations 1. Space 2. Accessibility 3. Cooling 4. Controls and indicators 5. Cabling 6. Shielding 7. I/O for other systems III. Racks A. Skeletal structure for
large systems B. RS-310
standard--Electronic Industries Association (EIA) IV. Panels A. 19" standard B. Mounts chassis to rack C. Used for mounting
switches, meters, lights, connectors, and other input/output devices 1. Hole schedules 2. Silkscreen V. Chassis A. Commercial B. Military (MIL-C-172) C. Card racks 1. Cages and card guides 2. Back planes VI. Enclosures/cases A. Universal cabinets B. Instrument cases |