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一般端铣刀的直径虽大,但齿数却不多,例如,直径120公厘的端铣刀只有4个刀齿:直径150公厘~250公厘的端铣刀只有6个刀齿,这就使一般端铣刀的生产效率不能很高。苏联某工厂的工艺试验室试用了一种多齿端铣刀。刀齿3镶在刀体4上的沟槽内,用环1套紧,并用螺钉2压紧(如图1)。直径150公厘的端铣刀,可以装15个刀齿,直径250公厘的端铣刀,可
For example, the end mill with a diameter of 120 mm only has 4 teeth: the end mill with a diameter of 150 mm ~ 250 mm has only 6 teeth, which means that the diameter of a general end mill is large, but the number of teeth is small. The general end mill production efficiency can not be very high. A multi-tooth end mill was tried out in a process lab in a Soviet factory. 3 teeth knife set in the groove on the body 4, with a set of tight ring 1, and with the screw 2 pressed (Figure 1). End mill diameter of 150 mm, can hold 15 teeth, 250 mm diameter end mill, can