火车连接器(俗名老虎钩或碰钩)是交通车辆上大量需要的翻砂浇钢件,在进行铸造时,关于模型砂箱等设备的简便与否,能直接影响出品的数量和精确度。本人参考近代各国大量生产的方式,设计了型板和它配用的砂箱等工具,经实地使用后情形良好。兹将经过详述于此,以供各方研究指正。连接器的另件列表如右(用于货车为例)——其中輓钩体,爪,锁,推爪铁和下锁提等五件是主 Train connectors (commonly known as tiger hooks or hooks) are heavy-duty, cast-in-place steel castings used in transportation vehicles. When casting, the ease and simplicity of equipment such as mold flasks can directly affect the quantity and accuracy of the finished product. I refer to the mode of mass production in various countries in the modern times, designed the template and its equipped with a sand box and other tools, the situation after the good use of the field. I will elaborate on this for the parties to study and correct. Other parts of the connector list as the right (for the truck for example) - which pull the hook body, claws, locks, push the claw iron and under the lock to mention five other main