齒輪減速機的承載能力高，使用壽命長（前提是定期有做保養）；相比其他減速機，齒輪減速機要大很多，空間較小，抗震性能不好，齒根易斷裂。齒輪減速機一般用于低轉速大扭矩的傳動設備，把電動機，普通的減速機也會有幾對相同原理齒輪達到理想的減速效果，大小齒輪的齒數之比，就是傳動比。
一、齒輪減速機的優點
1.齒輪采用高強度低碳合金鋼經滲碳淬火而成，齒面硬度達HRC58-62，齒輪均采用數控磨齒工藝，精度高，接觸性好。
2.傳動率高：單級大于96.5%，雙級大于93%，三級大于90%。
3.運轉平穩，噪音低。
4.體積小，重量輕，使用壽命長，承載能力高。
5.易于拆檢，易于安裝。
二、齒輪減速機的缺點
相比其他減速機，齒輪減速機要大很多，空間較小，抗震性能不好，齒根易斷裂。
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