| 摘要 |
According to a lubrication mechanism for a wave gear device 1, frictionally contacting parts 5 of toothed parts of gears 2 and 3 are lubricated using a lubricant with a high base oil viscosity and favorable shear stability. Frictionally contacting parts 7 of the external gear 3 and wave generator 4 and frictionally contacting parts 9 on the inside of wave bearing 42 are respectively lubricated using solid lubricants 8 and 10 that are produced by mixing a low base oil viscosity grease with a resin with low deformation resistance and hardening the mixture by heating. In this way, the lubrication life is extended without causing decreases in the efficiency of the wave gear device.
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