工程机械用板翅式换热器在工作过程中，尤其在具有振动的工况下，经常会出现泄漏现象。为了防止这种现象的发生，减少维修和停机时间，应严格控制板翅式换热器各制造工序的工艺要求，确保产品质量。（１）必须严格控制原材料的质量。保证人厂的原材料符合有关规定及标准，所有 Engineered plate-fin heat exchangers in the course of their work, especially with the vibration conditions, often there will be leakage. In order to prevent the occurrence of this phenomenon, reduce maintenance and downtime, should be strictly controlled plate-fin heat exchanger manufacturing process requirements to ensure product quality. (1) The quality of raw materials must be strictly controlled. Guarantor plant raw materials meet the relevant provisions and standards, all