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镶硬质合金刀齿的高速端铣刀是平面加工中先进的刀具，按其构造可分为各齿单独磨刀 （体外刃磨）与装齿後整体磨刀（体上刃磨）二种。装齿後磨刀的方法在保证刀齿振摆上是可 靠的，但这种方法也有缺点，如磨刀困难，需要设备各种尺寸、各种刀具材料、刀具几何形 状的许多刀具。与此相反，体外刃磨的方法在磨刀上操作简便，可以减少刀齿和刀体的设备 数量，使这种刀具能广泛应用在小批生产中，但它在保证振摆上不及前者。 作者在本文中对体外刃磨的装齿方法，及其所能达到的振摆差，切削性能和它的经济性 进行了一些试验和分析，供讨论参考。
High-speed end mill with carbide cutting teeth is an advanced tool in plane machining. According to its structure, it can be divided into two types: individual sharpening (external sharpening) and rear sharpening (body sharpening) . The method of sharpening the sharpening of the teeth is reliable in ensuring the oscillation of the sharpening teeth, but this method also has drawbacks such as the difficulty of sharpening many tools requiring various dimensions of the apparatus, various tool materials, and tool geometry. In contrast, the method of in vitro sharpening on the sharpener is simple and easy to operate, which can reduce the number of teeth and the body of the cutter so that the tool can be widely used in small batches, but it is less than the former. In this paper, the author of this article on the external grinding method of gear grinding, and its can be achieved vibration difference, cutting performance and economy of some experiments and analysis for discussion and reference.