- A Pair Of Helical Gears On Parallel Axes Are To Have Involute Teeth Of 20 Normal Pressure Angle And 3 Mm Normal Mod 1 (95.47 KiB) Viewed 27 times
A pair of helical gears, on parallel axes, are to have involute teeth, of 20° normal pressure angle, and 3 mm normal mod
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A pair of helical gears, on parallel axes, are to have involute teeth, of 20° normal pressure angle, and 3 mm normal mod
A pair of helical gears, on parallel axes, are to have involute teeth, of 20° normal pressure angle, and 3 mm normal module. The wheels are to have 23 and 39 teeth, and to work with a centre distance of 149 mm. Calculate the pitch helix angle in degrees. Give your answer to 2dp.