How can i speed up a 20:1 worm gear

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Discussion Overview

The discussion revolves around methods to reduce the gear ratio of a 20:1 worm gear system. Participants explore various approaches to achieving a lower ratio, focusing on gear specifications and potential alternatives.

Discussion Character

  • Technical explanation, Debate/contested, Experimental/applied

Main Points Raised

  • One participant suggests reducing the pitch of the worm gear or increasing the number of teeth on the spur gear as potential methods to lower the gear ratio.
  • Another participant notes that the current spur gear is small, with only 20 teeth available, and mentions the challenge of finding a compatible worm gear with a smaller pitch.
  • A request is made for recommendations on other suppliers that might offer suitable gears, specifically half inch or 3/16 gears with more teeth and worms with smaller pitches.
  • A question is posed regarding the specific part numbers of the gears being used and whether bevel gears could be a viable alternative.

Areas of Agreement / Disagreement

Participants express differing views on the feasibility of reducing the gear ratio, with some suggesting specific modifications while others inquire about alternative gear types and suppliers. The discussion remains unresolved regarding the best approach to achieve the desired reduction.

Contextual Notes

Limitations include the specific sizes and pitches of the gears available, as well as the dependency on the compatibility of different gear types.

TheCollector
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i have a 20:1 worm gear but would like to lower the ratio as much as possible. what can i do to lower the ratio? the lower the better
 
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Reduce the pitch of the worm gear, or increase the number of teeth on the spur.
 
brewnog said:
Reduce the pitch of the worm gear, or increase the number of teeth on the spur.
the gear I am using is tiny, like a half inch and it only comes in 20 teeth. the only worm i can find for it is 48 pitch. I am looking at https://sdp-si.com/ only so are there any other sites that have half inch or even better 3/16 gears with more teeth and worms with smaller pitches?
 
What are SDP's part numbers of the gears you are using? Can you use bevel gears?
 

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