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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)
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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 :