小型潜水电泵是一种机泵合一潜入水下工作的提水机具。由于其工作环境差，因此相对于其它机电产品较易发生故障，使该产品的返修率较高，给生产企业和用户带来很大损失。如何提高小型潜水电泵的整机质量，降低返修率是每个生产企业都非常关心的问题。笔者认为潜水电泵的主要故 Small submersible pump is a pump to dive into the water under one work. Because of its poor working environment, compared with other mechanical and electrical products more prone to failure, so that the product of the high rate of repair, to manufacturers and users a great loss. How to improve the overall quality of small submersible pump, reduce the repair rate is a concern for every manufacturer. I think the main reason for submersible pumps