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JIS B 1603 95th Edition, March 1, 1995
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Straight cylindrical involute splines - side fit - Generalities, dimensions and inspection
Includes all amendments and changes through Reaffirmation Notice , October 20, 2015
Additional Comments: ENGLISH * SAME AS ISO 4156
Page Count:326
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Scope and field of application  This Standard provides data and guidance for the design, manufacture and inspection of straight (non-helical) cylindrical involute splines with side fit (hereafter referred to as "splines"). It establishes a specification based on the module within the range 0.25 to 10 inclusive, relating to nominal pressure angles of 30", 37.5" and 45". (For electronic data processing purposes, the form of expression "37.5"" has been adopted instead of 37" 30'.)

Limiting dimensions, tolerances, manufacturing errors and their effects on the fit between connecting Co-axial spline elements are defined and tabulated. Linear dimensions are expressed in millimetres and angular dimensions in degrees.