The manuscript presents spiroid gears as a substitute for bevel and hypoid ones having relatively low gear ratios (3 – 8) for worm type gears. A qualitative and quantitative comparison of alternatives in accordance with their operation properties – load capacity, efficiency, meshing force – is given. It is concluded that the spiroid gear in this respect has at least not worse potential than traditional bevel and hypoid gears. A relatively easy-to-implement technology for the production of spiroid gears and its potential for improving machining performance and flexibility in small series multiproduct manufacturing and contact localization control are described. In particular, cheaper screw cutting and screw grinding machines, machining centers and hobbing machines can be used instead of expensive specialized gear cutting machines and tools for production of bevel and hypoid gears. A comparison of practically implemented alternatives is given. A good prospect of application of spiroid gears instead of bevel and hypoid ones in transportation and pipeline valve control engineering is noted.

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Spiroid Gears vs. Bevel and Hypoid. Design Preconditions and Practice of Implementation

  • Evgeniy Trubachev

摘要

The manuscript presents spiroid gears as a substitute for bevel and hypoid ones having relatively low gear ratios (3 – 8) for worm type gears. A qualitative and quantitative comparison of alternatives in accordance with their operation properties – load capacity, efficiency, meshing force – is given. It is concluded that the spiroid gear in this respect has at least not worse potential than traditional bevel and hypoid gears. A relatively easy-to-implement technology for the production of spiroid gears and its potential for improving machining performance and flexibility in small series multiproduct manufacturing and contact localization control are described. In particular, cheaper screw cutting and screw grinding machines, machining centers and hobbing machines can be used instead of expensive specialized gear cutting machines and tools for production of bevel and hypoid gears. A comparison of practically implemented alternatives is given. A good prospect of application of spiroid gears instead of bevel and hypoid ones in transportation and pipeline valve control engineering is noted.