管束、管材及设备部件封闭的密封罩，在施工前允许开启。
Sealing covers of tube Banks tubing and the equipment component is allowed to open before the construction.
本实用新型提供了一种压浆密实，方便检查压浆质量的真空压浆密封罩。
The vacuum mud jacking sealing cover provided by the utility model has compact mud jacking and is convenient for examining the quality of the mud jacking.
分析了密封罩零件冲压成形的难点，论述了采取的有效工艺措施和模具设计要点。
The paper analyses the difficulty of bearing seal up cover stamping process and deals with the effective process measures and the key points of die designing.
应用推荐