轴流风机，用途非常广泛，就是与风叶的轴同方向的气流，如电风扇，空调外机风扇就是轴流方式运行风机。之所以称为“轴流式”，是因为气体平行于风机轴流动。轴流式风机通常用在流量要求较高而压力要求较低的场合。轴流式风机固定位置并使空气移动。轴流风机主要由风机叶轮和机壳组成，结构简单但是数据要求非常高。

Axial fan is widely used, which is the same direction as the blade of wind, such as electric fan, air conditioner, fan, axial flow fan. It is called axial flow because the gas flows parallel to the shaft of the fan. Axial fans are usually used in situations where the flow rate is higher and the pressure is lower. Axial fan fixed position and air movement. Axial fan is mainly composed of fan impeller and casing, the structure is simple, but the data requirements are very high.

风扇有轴流和径流式两种，是以风扇工作时空气的流动方向而进行划分的。轴流式风扇工作时，叶片推动空气以与轴相同的方向流动，所以称为轴流风扇；而径流式风扇工作时，叶片推动空气以与轴相垂直的方向（即径向）流动，因此称为径流风扇。轴流风扇分为大型轴流风扇、中型轴流风扇、小型轴流风扇，根据需求的使用地方选择适合的轴流风扇。

There are two kinds of fans: axial flow and radial flow, which are divided by the direction of air flow when the fan works. Axial flow fan blade to work, promote air and the same axis of the flow direction, so called axial flow fan; and radial fan work, to push the air blade vertical to the shaft direction (i.e. radial flow), so called the runoff fan. Axial fans are divided into large axial fans, medium axial fans and small axial fans, and suitable axial fans are selected according to the requirements.