RACK BAR, A STEERING SYSTEM HAVING A RACK BAR AND A MANUFACTURING METHOD THEREOF CAPABLE OF REDUCING THE MANUFACTURING COSTS AND IMPROVING THE SURFACE ROUGHNESS AND DURABILITY THROUGH A CHROME PLATING

摘要

PURPOSE: A rack bar, a steering system having a rack bar and a manufacturing method thereof are provided to reduce the manufacturing costs and improve the productivity by plating a rack bar with chrome.;CONSTITUTION: A steering system having a rack bar comprises a steering column, a gear box, a rack bar and a rack housing. The rack bar is slidingly accepted in the rack housing. A rod portion has a first end. The rack bar is continued at a second end. The gear box comprises a pinion gear portion and rack gear portion. The rack bar comprises a rack gear portion(320) engaged with the pinion gear portion of the pinion shaft. A part of the rod portion is plated.;COPYRIGHT KIPO 2012