碟形弹簧, 内部滚輪以及卡輪的組合, 能使模具的開合具有良好的平衡性。 滚輪的旋轉能較好的防止偏心磨損的發生。 鎖緊套爲上下對稱式, 所以若有磨損也可倒置安装以再次使用 。 因爲鎖緊座的背面有避空位, 所以模板上有台阶時也可以使用。
       Disc spring, and a combination of internal roller card wheel, can make the opening and          closing of the mould has good balance. Wheel rotation can better prevent eccentric wear occurs.          The locking sleeve is symmetric, so if the wear can also be installed to use again. Because the back of          the locking seat is avoiding vacancy, can also use so the template has the steps.