FIELD: machine building.
SUBSTANCE: small-scale two-stage waveform gear unit contains a crank shaft, output shaft, external, internal, casing and cone wheel of the output shaft. The crank shaft is made stepped, and has two coaxial spread support surfaces, on which two ball bearings are installed coaxially. Two other ball bearings are installed in assembly unit, and on the output shaft. On the inclined part of the crank shaft the wobbly gear is installed, it is made as assembly unit, comprising two cone wheels, rigidly connected with each other such that their toothed rims are located at the same side of the unit. On wheels being part of the same interacting pair different number of teeth is made.
EFFECT: reduced overall dimensions of the gear box, and cantilever load on both shafts.
1 dwg
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