论文部分内容阅读
我们设计并制造的一种新式钢锯弓,它的主要特点是与普通锯弓的锯条张紧形式不同。普通钢锯弓的锯条张紧为直拉式,靠旋转蝶形螺母,通过螺栓位移而拉紧锯条。而这种新式钢锯弓的张紧,则视钢锯前弓为
We design and manufacture of a new type of steel bow saw, its main feature is different from the ordinary bow saw blade tensioning. General Saw Blade Saw Blade Tension is a straight pull, by rotating butterfly nut, bolt displacement by pulling the saw blade. The tension of this new hacksaw bow is then the bow of the hacksaw