一、车轮踏面擦伤的危害车轮踏面擦伤,简称车轮擦伤。它是在制动过程中,由于各种原因而出现“抱死闸”现象,导致车轮沿轨面滑行,造成车轮踏面的局部损伤。车轮短时间的滑行,在车轮踏面上形成很小的擦伤,这种擦伤在列车继续运行的过程中能自行消除,故其危害不算太大。而车 First, the dangers of wheel tread abrasion Wheel tread abrasions, referred to as the wheel abrasions. It is in the braking process, due to various reasons and “lock brake” phenomenon, leading to the wheel glides along the rail surface, resulting in local damage to the wheel tread. Wheels short-term glide, forming a small scratch on the wheel tread, this abrasion in the train continues to run the process can be eliminated, so the harm is not too much. And the car