主机配套市场竞争激烈目前汽车制动间隙自动调整臂(简称自调臂,ASA)在全球商用车制动系统上的应用已经有几十年的历史,但在我国却还处于成长期。国际上大量使用的自调臂产品通常有2种结构:一种是间隙感应结构,即国内俗称的瀚德(Haldex)结构,如图1;另一种是行程感应结构,即国内俗称的 Host supporting market is fierce competition Currently auto brake gap automatic adjustment arm (referred to as self-adjusting arm, ASA) in the global commercial vehicle brake system has been used for several decades, but in our country is still in its growth stage. There are usually two kinds of self-adjusting arm products widely used in the world: one is the gap sensing structure, which is commonly known as the Haldex structure in China, as shown in Figure 1; the other is the stroke sensing structure,