BSI - BS 436-2
Spur and Helical Gears Part 2: Basic Rack Form, Modules and Accuracy (1 to 50 Metric Module)
|Publication Date:||23 February 1970|
|ICS Code (Gears):||21.200|
External and internal involute spur and helical gears for use with parallel shafts within the range 1 to 50 normal module. Basic rack and tooth form, terminology and notation, first and second preference standard modules, fundamental tolerances. Essential data to be specified on component drawings.