Coupling spline connection method

XINLANCouplingThe analysis spline connection is composed of internal splines and external splines.The inner and outer splines are multi-tooth parts, the splines on the inner cylindrical surface are inner splines, and the splines on the outer cylindrical surface are outer splines.Obviously, the spline connection is the development of the flat key connection in terms of number.
    In mechanical drawing, the spline key tooth drawing is more cumbersome.In order to improve the efficiency of drawing, many countries have formulated spline drawing standards, and ISO standards have also been formulated internationally.The Chinese National Standard for Mechanical Drawing stipulates that: for rectangular splines, in the view of the projection plane parallel to the axis of the external spline, the major diameter is drawn with a thick solid line, and the minor diameter is drawn with a thin solid line, and a part or all of the tooth profile is drawn with a section. ; In the cross-sectional view of the inner spline on the projection plane parallel to the axis, the major and minor diameters are drawn with thick solid lines, and part or all of the tooth profile is drawn with a partial view.The end of the working length of the spline and the end of the tail length are drawn with thin solid lines.For the involute spline, the drawing method is basically the same as that of the rectangular spline, but it is necessary to draw the index circle and the index line with a dot-dash line.

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