tangent length

On Relation between Length of Tangent and That of Arc

切线段与弧的长度关系

And the extension amount, extraction amount and tangent line stagger of the contact wire in the whole tensioning section can be obtained by calculation, and then the total reservation length of contact wire before cutting can be obtained thereof.

通过计算，求出整个锚段内接触线的延伸量、收缩量和直线拉出值，从而得出断线时接触线总预留长度。

A method of calculation for the thickness and base tangent length of worm gears

延长渐开线蜗轮齿厚和公法线长度的计算

The Calculation of the Measured Value on the Base Tangent Length and Its Tolerance for the Involute Splines

渐开线花键公法线长度测量值及其公差的计算

Thinking based on comparison of measured gear data and standard digital gear model, the individual circular pitch error, base tangent length error and profile error of measured gear are tested.

基于实测齿轮数据与标准数字齿轮模型对比的思想，实现了实测齿轮的齿距偏差，公法线长度偏差以及齿形误差参数的检验。

Determination of Base Tangent Length Deviation of Tractor Involute Spur Gear

拖拉机渐开线外啮合圆柱齿轮公法线偏差的确定

In order to determine the finishing allowance of double-circular-arc gears, the author recommends a procedure for measuring the base tangent length before finishing-cut and derives the relation between the finishing allowance and the base tangent length.

为确定双圆弧齿轮粗切后的精切余量，安排了精切前公法线长度测量工序，并推导了精切余量与公法线长度的关系式。

The Research for the Measurement of Base Tangent Length of Asymmetric Gears in Asymmetric Gear Pumps

非对称齿齿轮泵非对称齿轮公法线的测量

Determining the optimum tooth number when measuring the base tangent length of an involute gear

渐开线齿轮公法线长度测量最佳跨测齿数的确定