转向机就是在司机打方向盘的同时，帮助司机用力，以减轻司机转向时的用力度，达到开车时司机轻松、方便的目的的机器。主要分为齿轮齿条式转向和蜗轮蜗杆式转向。目前市面上大致有三种助力转向装置：电动机电力助力转向、齿轮齿条式液压助力转向、电力液压助力转向。
转向机构 knuckle mechanic ; [车辆] Steering Gear ; Lenkung ; steering feature
转向机柱 Steering Column ; english Steering Column
动力转向机 power steer
阿克曼转向机构 [机] Ackerman steering gear ; [机] Ackerman linkage
转向机构箱 [机] steering box
转向机车 SteeredVehicle ; radial locomotive ; bogie engine
蜗杆蜗轮式转向机构 worm-and-wheel steering gear ; worm type steering gear
转向机构传动比 Steering Ratio
汽车转向机 JDW
转向机作为汽车上的重要部件，其产品质量关系乘员的生命安全。
As the important equipment in vehicles, without any questions, the quality of Steering Gear is one of the most safety factors for people.
介绍了热挤镦加热精整汽车转向机摇臂轴精锻成形工艺，对热挤镦的成形原理及变形过程进行了分析探讨。
The precision forging process for the steering sector gear shaft is discussed in the paper. The principle and the path of forming of the hot extruding and upsetting are also discussed.
液压转向机对齿条杆部表面有很高的耐磨、储油、封存要求，为此需要一套表面超精加工工艺及加工参数设定。
Requirements for hydraulic steering rack cylinder are very high, the rack cylinder should be durable, lubricants preservable and of seal. So, finish machining and parameter-set are necessary.
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