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该装置由本体、滑块、导轮架组成。将本体装于丝架上臂前端(两臂间有足够高度,可升降丝架更理想)。滑块与本体燕尾槽配合,沿y方向移动,形成左、右旋α螺旋角(最大
The device consists of a body, a slider and a guide wheel holder. The body mounted on the front end of the upper arm (arm height enough to lift the wire rack is more ideal). The slider cooperates with the dovetail groove of the body and moves along the y direction to form left and right α helix angles (maximum