The widespread type of reducers combining silent work, high degree of loading, self-retardation. Are applied to transfer of the movement between shaft. The main advantages of worm reducers it is a possibility of large transfer number from 10 to 1000. Distinguish such types of reducers:
1. Worm one-stage reducer (2Ch-40, 2Ch-63, 2Ch-80).
2. Two-level worm reducers (Ch2-40, Ch2-63, Ch2-80, Ch2-100, Ch2-125, Ch2-160).
3. Worm reducers (Ch-100, Ch-125, Ch-160).
4. Worm 1-staged reducer (1Ch-160).
5. Worm 1-staged reducer (Ch-80)