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我厂有8台GP72型过滤机,每台过滤机滤板有120条M20×1300的丝杠,因此每年在C6106A车床上要加工大量的这种丝杠。该丝杠的示意图见图1。
My factory has 8 sets GP72 type filter, each filter plate has 120 M20 × 1300 screw, so every year in the C6106A lathe to process a large number of this screw. The screw diagram shown in Figure 1.