According to the new national gear standard, three deviation-measuring items must be included in the checkout of single gear: profile deviation, helix deviation and pitch deviation.
按照新的国家齿轮标准规定,对于单个齿轮必须检验三个偏差项目:齿廓偏差、螺旋线偏差和齿距偏差。
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To calibrate and compensate the compass error of magnetic heading in a carrier with constant pitch Angle, the deviation compensation algorithm (DCA) for magnetic deviation compensation is put forward.