


Primary processing • Casting • Sand, investment, die, etc. • Examples and considerations • Pressure molding • Pressure, transfer, injection, blow • Deformation processing • Forging, rolling, extrusion, drawing • Hot, warm, cold • Powder processes • Sintering, hot isostatic pressing (HIP) • Slip casting of ceramics • Specialty methods • Spray forming, vapor deposition, electro-forming, etc.
Types of Casting • See: • http://www.efunda.com/processes/processes_home/process.cfm • for descriptions of: • Die casting • Sand casting • Investment casting • etc.
Examples of cast parts : Metal: Aluminum Process: Die Cast Weight: 14.6 lbs Size: Large(over 12X12) Market: Automotive Description: Transmission Gear Case
Examples of cast parts : Metal: Magnesium Process: Die Cast Weight: 90 grams Size: Medium(3X3 to 12X12) Market: Computer/Electronics Description: Military Hand Held Radio Housing
Examples of cast parts : Metal: Zinc Process: Die Cast Weight: 0.39 lbs Size: Medium(3X3 to 12X12) Market: Automotive Description: Police/Commercial Spot Light Hsng.
Examples of cast parts : Metal: Aluminum Process: Die Cast Weight: 19 lbs Size: Large(over 12X12) Market: Automotive Description: Lower crankcase
Examples of cast parts: Metal: Zinc Process: Die Cast Weight: 0.244 oz Size: Very Small(1X1) Market: Computer/Electronics Description: A shielded cable header for housing electrical connector pins
Examples of cast parts: Metal: Aluminum Process: Die Cast Weight: xx Size: Medium(3X3 to 12X12) Market: Sports/Recreation Description: wankel snowmobile engine rotor housing
Examples of molded parts: Blow molded parts for automobile exhaust
Examples of blow molding: The GET PET A2000 is an automatic stretch blow molding machine for water bottles. It can blow up to 2000 bottles per hour into a variety of sizes to fit your product line. It takes plastic pre-forms and molds them into the designated bottle shape and can help increase production output with its tremendous speed.
Involves : punching , bending, stretching Must avoid necking, tearing, etc. Formability Minimum ratios to which a sheet can be bent1 x thickness (good) 4 x t (average) Sheet metal forming :