我厂过去生产的YB型叶片泵由于性能差、寿命短,用户意见较多,产品滞销,企业面临能否生存的威胁。为此我们通过调研了解到:目前液压件作用于机床上的配套数量虽然减少些,但在印刷及塑料等轻工机械需要量还有增加。只因YB型叶片泵质量差。用户改用其他泵。促使我厂必须下决心在产 The YB vane pump produced by our factory in the past has poor performance, short service life, many users’ opinions, and the products are unmarketable, and companies are faced with the threat of survival. To this end, we learned from the investigation that: although the number of hydraulic components applied to the machine tool has been reduced, the demand for light industrial machinery such as printing and plastics has increased. Only due to the poor quality of YB vane pump. The user changed to another pump. Makes my factory must resolve to produce