Engineering Review

Fillets and Rounds Found on cast, forged, and plastic parts Add strength and protection from sharp edges Rounded interior corner is a fillet Rounded exterior corner is a round Fillets and rounds are a finishing process AutoCAD and Inventor refer to both as Fillet

Distance = two equal distances (45 angle) Distance and Angle = distance and angle other than 45 Distance and Distance1 = two different distances.

Knurling A roughened surface to provide a better grip Commonly found on thumbscrews and handles Sometimes decorative

Plastic Processes Thermosetting Thermoplastic Blow Mold Extrude Thermoform

CNC and Lathes = $10,600 - 13" x 40" High Precision CNC Metal Lathe 4’ x 8’ table = $2,500 – 12'' x 24'' x 4'‘ CNC Machine 4’ x 8’ Table

CNC and Lathes

Forge – Drop and Press Cast – Sand and Die Mold

Design Process

Auxiliaries

Auxiliary Views

Placing and Annotating Views

Feature Tree = Browser How many features in the FEATURE TREE?

Constraints Implicit Explicit Dimensional Geometric

Other Stuff Counterbore Countersink Spotface Reverse Engineering

Standard Limits and Fits - ANSI

Questions CAD is an abbreviation for CAM is an abbreviation for CNC is an abbreviation for What production method would be use to make a skillet? What process does this guy use? Welding joins two pieces of metal together using _______? Name a toy that is die cast.

Questions 8 Match the process to the product: Extrusion Hot Tub or Dash Board Blow Molding Garden Hose Injection Molding Soda Bottle Thermoforming Lego Blocks 9 What is the smallest division on a Machinist Steel Rule? 1/16 1/32 1/64 1/128

Questions 10 The three processes for making holes are Drill Lathe Grind Ream Board Extrude Form Bore Blind Spotface 11 Which hole process is the most precise?