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齿轮广泛用在各种机器上,根据使用要求可用塑料、木材、青铜、铸铁及钢等制造。而钢质齿轮由于材料强度高、又可热处理,因此在机械制造业中具有特别重要地位。一般说,仪器上用小模数齿轮,轧钢机传动齿轮用大模数。本文将只讨论中等尺寸传动用平行轴钢质齿轮及伞齿轮,其直径在25～3800毫米范围。齿轮的失效分析指出、影响齿轮副使用性能的一个重要因素,是齿轮的材料及热处理。美国齿轮制造者协会(AGMA)认为,齿轮强度与耐用度取决于选用钢材及热处理。齿轮硬度愈高,抗拉强度愈大,即齿
Gear is widely used in a variety of machines, according to the requirements of use plastic, wood, bronze, cast iron and steel manufacturing. The steel gear due to the high strength of the material, but also heat treatment, so in the machinery manufacturing industry has a particularly important position. In general, the instrument with a small modulus gear, rolling mill gear with a large modulus. This article will only discuss the middle-size drive with parallel shaft steel gear and bevel gear, the diameter of 25 ~ 3800 mm range. Gear failure analysis pointed out that an important factor affecting gear performance is the gear material and heat treatment. The American Gear Manufacturers Association (AGMA) believes gear strength and durability depend on the choice of steel and heat treatment. The higher the gear hardness, the greater the tensile strength, that is, the tooth