China supply special the worm and gear of dumbwaiter / low noise large transmission ratio / worm gear sets

Feature

1.The single stage large drive ratio≥1:10 could also be achieved when the number of teeth is less than 2 to 4.

2.The price is cheaper while transmission efficiency up by 20% (transmission efficiency≥90% ).

3.The layout is planetary gear,and the structure is inlaid differential structure.

4.The volume (material) is reduced by 20%, the structure is more compact and the performance is more stable.

5.Low noise≤60db,and the failure rate is low.

6.High precision of machining assembly, making it easier to manufacture.

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