When using the indexing head to grind the rack on the universal milling machine, the double-row hanging wheel is generally used, and the transmission system is shown in Figure 1 and 2. Among them, Figure 1 is the spindle hanging wheel method, the driving wheel Z_1 is hung on the indexing spindle, and the driven wheel Z_4 is hung on the longitudinal screw of the milling machine table. Figure 2 shows the side-axis hanging wheel method. The driving wheel Z_1 is hung on the indexing head side shaft, and the driven wheel Z_4 is hung on the milling machine table.
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