PRODUCT

㉿ Power Steering Pump Housing

Power Steering Pump Housing

Part Name : Power Steering Pump Housing

ㆍContracted Volume : 3M / Year ( Total 41 Models)
ㆍFunction : Control of Steering System Take the Engine Torque
ㆍClient : Youngshin Precision / HMC, GM, Iran IHI and etc

✜Development History

Development History

ㆍNecessity of process change from gravity casting to diecasting but high defect rate (30%) with diecasting process

Development History

ㆍReceiving a request for development of automotive power steering pump housing in May 2001
ㆍOur development process was recognized as Korean business administration’s project innovation of technology. (May 2001 ~ April 2002)

Process method for this product

ㆍVacuum : less than 250mbar
ㆍSqueeze : Ø10.5 Pin
ㆍSpot Cooling : 15kg/㎠
ㆍHardness : Over HrB 55
ㆍMetal Pressure : 980kg/㎠

Development Results

ㆍCost reduction based on the development of process which available for productivity improvement and increasing surface hardness
ㆍDevelopment of diecasting process which available for the squeeze and vacuum for preventing casting defect
ㆍDevelopment of rapid cooling system for increasing surface hardness (Over HrB 55)
ㆍReducing the cost for machining process (down by 20%)