当前,各客车制造、检修工厂,对脚蹬门、外端门的组装工艺方法及工序对门关闭不严密的质量问题难以修改、调整;影响客室的保温、防寒性能。其原因主要是当门框(或翻板)钢结构不正、不符规定的尺寸要求时,而车体钢结构到客车总装处待安装门时,内外油漆及附近的各木制件等已加工、安装完毕,门安装不严密,也无法调整修理钢结构门框了,翻板也是如此。只好用垫门 At present, all passenger car manufacturing and overhauling factories are difficult to modify and adjust the assembly process method of pedal door and outer end door, and the quality problems that the procedures are not closely closed to the door and affect the insulation and cold proofing performance of the passenger compartment. The main reason is that when the door frame (or flap) steel structure is not correct, does not meet the required size requirements, while the body steel structure to the bus assembly to be installed at the door, both inside and outside the paint and the nearby pieces of wood, such as processing, installation Completed, the door is not installed properly, and can not adjust the repair of steel frame, the flap is also true. Had to use pad door