货车车钩缓冲装置检修流水线的优化设计

摘要

The model selection of main tooling，technology layout and other relevant points are described on the basis of　technological process of the inspection and repair line for coupler draft gears on freight cars．%根据货车车钩缓冲装置检修流水线的工艺流程，介绍了主要工装的选型、工艺布局及其他相关问题。