When there are pores in flange castings, the following process improvement measures are taken:1. Change the sand mold brushing methodThe brushing method of sand mold coating is changed from overall spraying water-based coating to overall spraying water-based coating plus local manual brushing alcoho
Flange is a part of shaft to shaft connection, which is used for the connection between pipe ends; it is also used for the connection between two equipment, such as reducer flange. In general, flange is used together with gasket and bolt. However, in the actual use process, the flange itself problem
Flanges are used in different places and building materials and play different roles and values in different fields. They can help users play an important role and value. Flange manufacturer has different hardness and strength in use and production. Guarantee can probably play a tense role and cost
Production processes are mainly divided into forging, casting, cutting and rolling.The cast flange has accurate blank shape and size, small processing capacity and low cost, but there are casting defects (pores, cracks and inclusions); The internal organization streamline of the casting is poor (if
The Dragon Boat Festival, also known as the Dragon Boat Festival, Dragon Boat Festival and Tianzhong Festival, originated from the worship of natural phenomena and evolved from the Dragon sacrifice in ancient times. During the midsummer Dragon Boat Festival, Canglong Qisu flies up to the middle of t
The carbon steel flange according to the seal surface different has many kinds of classification, the flange seal surface form and the use environment has the direct relations, below the small plait to take everybody to understand each kind of different seal surface.1. The whole plane of the sealing