Features of the end-toothed with the circular-arc
Wide meshing surfaces, long service life, high accuracy, good
automatic centering, transmitting bigger torque, using the curvic
coupling, the complicated monolithic structure can be divided into
several simple structure, therefore, it is convenient for designing,
manufacturing, assembling.Driving with end-toothed is a new one
in recent years. Because of less teeth number, compact in structure
and higher loading capability, it can acquires bigger transmit ratio
if adopting certain combination of tooth numbers. For example, at
the reducer system of satellite anttena, appropriate combination of
tooth numbet can make the transmit ratio up to 50000, efficiency
up to 0.7 – 0.75. The research and test on the end-toothed show
that the contacting stress of the transmission with the end-toothed
is reduced by 25% - 30% compared with similar mechanics of
involute. At the same dimension, meshing module can increase
by 2 – 2.5 times, reducing the bending stress by 3 – 4 times and
improving loading capability and wearing quality, reducing both
weight and dimension.