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齿轮看起来并不起眼，但它是工业设备的重要组成部分。中国齿轮行业基本由三部分组成：工业齿轮，齿轮和齿轮的车辆和设备。其中，车辆齿轮其市场份额达到60％，工业从工业一般的，特殊，特殊的齿轮组成的齿轮，其市场占有率为18％，12％，8％;用具和设备百分之二的市场份额。

螺旋锥齿轮是关键机械部件，它的轮廓是复杂的空间曲面齿，工具和对复杂的空间相对运动加工工件…适用于各种各样的模型（日期:2007 - 11 - 7）

Pinion rotation big market product innovation to promote sustainable development of gear

Gear looks and inconspicuous, but it is an important component of industrial equipment. China gear industry basically consists of three parts: industrial gears, gear and gear vehicles and equipment. Among them, the vehicle gear its market share reached 60%; industrial gears from an industrial general, special, special gear composition, its market share was 18%, 12%, 8%; gear and equipment accounted for 2 percent market share.

spiral bevel gears are the key mechanical components, and its contours are complex tooth space surface, tool and workpiece by relative movement of the processing of complex spatial … apply a variety of models ( Date :2007-11-7)