汽车转向管柱粉末冶金移动架的开发

The Development of Powder Metallurgy Movable Frame of Automotive Steering Column

汽车转向管柱粉末冶金移动架是转向管柱中的一个关键零件,论述了其结构和性能特点、材料选择和生产工艺等.产品形状复杂,精度要求较高,若采用传统机加工的方式,几乎不能加工.为了实现大批量生产,使用粉末冶金的方法来制造该零件,解决了目前生产效率低、制造成本高等问题.通过制定合理的工艺,开发出了符合实际工况要求,高精度、高强度、形状复杂的粉末冶金移动架.

The movable frame is one of the critical parts of automotive steering column.This paper dealt with the structure,performance,material selection and production process of it.It was complicated in shape with high precision.It hence always failed if it was produced with traditional machining method.In order to achieve massive production,powder metallurgy was used to produce parts of automotive steering column,which could improve the production efficiency and reduce the costs.Therefore,powder metallurgy movable frame with high precision,high strength complicated shape and in accordance with actual conditions could be developed by working out rational technology.