Outside/Inside Gear Oil PumpManufacturing Process

TimGilles.com Jeffrey Barker

Materials

• Iron

• Stainless Steel

• Powdered Metal

• Sand Cast die

• Metal die

Casting and Machining

• Build mold using sand

• Pour Liquid Metal into mold

• Let metal cool and solidify

• Machine the solid metal

Powder Metallurgy

• Create die and powder metal

• Compact powder with high pressure

• Sinter powder to solidify gears

• Pressurize solid again

Sources

• http://www.pumpschool.com/principles/internal.htm

• http://www.sfsa.org/sfsa/cstintcp.html

• http://www.efunda.com/processes/processes_home/process.cfm