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本文用格栅一毫米的电阻应变片对不同当量齿数的JB2940-81型双圆弧齿轮齿根弯曲应力进行了测试,并从测得的结果给出了双圆弧齿轮的齿形系数。它可用于2940-81型双圆弧齿轮的齿根弯曲强度计算公式之中。
In this paper, the strain of JB2940-81 dual circular arc gear with different equivalent teeth was tested by the resistance strain gauge with one millimeter of grid. The tooth profile coefficient of double circular arc gear was given from the measured results. It can be used in 2940-81 double arc gear tooth root bending strength formula.