Mechanical Design Engineering 3
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Course Introduction

 

Core Standards of the Course

STRAND 1
Portfolio and Resume

Standard 1
A student's notebook/portfolio records:

1. the chronological account of all projects
   
2. research and citations
   
3. notes
   
4. sketches
   
5. test procedures and resulting data.
   

Standard 2
Resume and Cover Letter

Performance Skill

1. Create and maintain a digital Portfolio of work (hard copy can be used if necessary).
   
2. Create a digital Resume and Cover Letter with professional formatting (hard copy can be used if necessary).
   

STRAND 2
Fasteners

Standard 1
Define thread terminology.

1. Major Diameter
   
2. Minor Diameter
   
3. Pitch Diameter
   
4. Root
   
5. Flank Angle
   
6. Pitch
   
7. Angle
   
8. Crest
   
9. Flank
   

Standard 2
Identify the following thread types.

1. Unified
   
2. Acme
   
3. Pipe
   
4. Square
   

Standard 3
Know the common uses of the thread types in STRAND 2 Standard 2

Standard 4
Calculate thread pitch.

1. TP = L/n
   
   • TP = Thread Pitch
   • L = Length of thread
   • n = Number of threads

Standard 5
Understand thread callout notes.

Standard 6
Draw screw threads using these three methods:

1. Detailed
   
2. Schematic
   
3. Simplified
   

Standard 7
Compare common head types:

1. Round
   
2. Oval
   
3. Pan
   
4. Countersink
   
5. Hex
   

Standard 8
Compare common drive types:

1. Slotted
   
2. Philips
   
3. Square
   
4. Hexagonal
   

Standard 9
Understand the hardness grading system:

1. Metric
   
   • Class 8.8
   • Class 10.9
   • Class 12.9
2. SAE
   
   • Grade 2
   • Grade 5
   • Grade 8

Performance Skill
Student can correctly place and label fasteners in their mechanical models and drawings.

STRAND 3
Welding Symbols

Standard 1
Understand, identify and specify welds on drawings.

1. Type
   
2. Size and length
   
3. Finish & contour
   
4. Field welds
   
5. Basic welding processes
   

Performance Skill
Student can correctly place a weld symbol on a mechanical drawing

STRAND 4
3D Printing

Standard 1
Successfully prepare a 3D printing strategy using slicing software.

1. File Types
   
   • STL vs OBJ
   • G-Code
2. Layer Height
   
3. Infill
   
4. Base Supports
   
   • Raft
   • Brim
   • Skirt
5. Overhang Supports
   
   • Breakaway
   • Dissolvable

Standard 2
Identify each of the 3D printing materials and technologies. FDM Fused Deposition Modeling (Filament) SLA Stereolithography (Resin)

Standard 3
Understand commonly used 3D printing materials and their appropriate applications.

1. PLA
   
2. PETG
   
3. ABS
   
4. Filament
   
5. Resin
   
6. TPU
   

Standard 4
Identify the specific parts of a 3D printer.

1. Feeder
   
2. Extruder Assembly
   
3. Bed
   
   • Heated
   • Glass
   • Flexible
4. X,Y, & Z Axes
   
5. Print Envelope
   
6. Spool/Reservoir
   
7. Control Board
   
8. Power Supply
   
9. Guide Tube
   

Performance Skill
A student will model, slice, and successfully print an object/prototype of their own design.

STRAND 5
Students will be able to demonstrate the ability to create a flat pattern development.

Standard 1
Understand and calculate bend allowance.

Performance Skill
Create a flat pattern development of a simple part to be made from sheet metal.

STRAND 6
Students will create assembly and working drawings.

Standard 1
Develop a set of working drawings of six or more parts of industry assembled parts.

1. Draw all necessary views of each part.
   
2. Draw only one part per sheet.
   
3. Dimension parts as per current ASME/ANSI standards.
   
4. Apply appropriate tolerances.
   
5. Apply necessary notes, material specifications, symbols, and other data.
   
6. Complete a parts list of the parts, which include, parts number, manufacturer's name, manufacturer's
   
7. stock number, material specs, quantity of each part, and notes for assembly.
   
8. Complete an assembly drawing showing the relationship of the parts to each other.
   
9. Analyze center of mass, surface area, and volume of an assembly.
   
10. Include title block and border on each production drawing sheet.
    

Performance Skill
A student can create parts and assembly drawings. They can analyze the center of mass, surface area, and volume.

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http://www.uen.org - in partnership with Utah State Board of Education (USBE) and Utah System of Higher Education (USHE).  Send questions or comments to USBE Specialists - WILLIAM  DEIMLER or Doug  Livingston and see the CTE/Advanced Manufacturing & Engineering website. For general questions about Utah's Core Standards contact the Director - THALEA  LONGHURST.

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