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四、机床液压系统参考图例(续完) (二)齿轮机床(续) 4 Y7132磨齿机液压系统系统说明: 选择开关位置不同可完成如下运动:(1)工作台展成不分度运动,开启展成调速阀Q,并由D_2,D_3控制;工作台展成至左端分度运动(单面分度),D_2,D_3使D处于中间位置,台面停于左端,D_4接通至D_5,D_6进行分度,分度结束后,D_4复位,分度缸C_2退回,延时后D_2、D_3使C_1至右端,为下一次分度作准备,然后C_1向左运动,重复上述动作;(2)工作台展成至左、右两端分度运动(双面分度);(8)手揿分度运
4, Machine Tool Hydraulic System Reference Legend (continued) (b) gear machine (cont.) 4 Y7132 grinding machine hydraulic system System Description: Select the switch position to complete the following movements: (1) D #, D_3 control; worktable into the left indexing movement (single indexing), D_2, D_3 to D in the middle position, stop at the left end of the table, D_4 connected to the D_5 , D_6 for indexing, the indexing is completed, D_4 reset, indexing cylinder C_2 returned, delay D_2, D_3 to C_1 to the right for the next indexing preparation, and then C_1 to the left movement, repeat the above action; 2) workbench into the right and left ends of the indexing movement (two-sided indexing); (8) hand 揿 sub-degree of transport