一、积木式夹具的实质积木式夹具是由一套事先制好的各种不同形状、不同尺寸、互换性和耐磨性较高的标准零件和合件组成。其特点是灵活多变,可根据不同的工件要求拼成车、铣、刨、钻、镗、磨、焊接、检验及装配等工种所需的夹具以代替一般的专用夹具。积木式夹具与专用夹具 First, the essence of building blocks Jig-type fixture is a set of pre-made a good variety of different shapes, different sizes, interchangeability and wear resistance of the higher standard parts and components. Its characteristics are flexible, according to different requirements of the workpiece into a car, milling, planing, drilling, boring, grinding, welding, inspection and assembly work required for the fixture instead of the general purpose fixture. Building blocks and special fixtures fixture