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为克服C 620车床床头箱润滑油供应不足的现象,我们将原润滑油泵进油阀(图l)进行了改装。即将球形单向阀由原来的卧式安装方法改为立式(图2)。至今运转正常,供油情况大大改善。
To overcome the lack of supply of C 620 lathe headstock oil, we have the original oil pump into the valve (Figure l) were modified. About the ball check valve from the original horizontal installation method to vertical (Figure 2). Up to now normal operation, fuel supply greatly improved.