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Turbo impeller shaft example

Vehicle components

Turbo impeller shaft

Turbo impeller shaft
Application
Material Inconel713C x SCM440H
Joint diameter dia. 18 x t4
Category Improved Quality
Befor
Problems by Conventional methods
Manufacturing method : Grinding out from solid stock
Grinding out of solid lost wax stock
Difficulty of grinding
Higher material cost as solid item
Cooling is necessary at shaft side of solid item
->
After
Improved effect by IZUMI's Friction Welder
Expensive material can be used only for impeller as a result of dividing
Since dividing allows using hollow material at joining section, effect of heat insulation at shaft side is enhanced

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