The working principle of universal bearing When the active fork is in the vertical position of the linear bearing, and the cross shaft plane is perpendicular to the active shaft. At this time, the linear velocities of the connecting point of the driving fork and the cross shaft and the connecting p... read more
Trunnion Mounted Ball Valve is a fixed bai fixed type ball valve, which has some differences in working principle with floating du type zhi ball valve (Floating type). The floating ball valve has only one upper stem and no lower stem. When the valve is closed, the fluid will push the valve ball, and... read more
Stainless steel (Stainless Steel) is the abbreviation of stainless and acid-resistant steel. It is called stainless steel that is resistant to weak corrosive media such as air, steam, and water, or is stainless steel; Corrosion steel is called acid-resistant steel. Due to the difference in chemical ... read more
Ball blank forming → ring belt removal → rough grinding → soft grinding → heat treatment → ball blank forming → light ball (or filing → soft grinding) → hard grinding → fine grinding → fine grinding (or polishing) → super fine grinding. Second, the detailed production process of steel balls 1. Wire ... read more
1) The structure of the valve ball varies depending on the method of supporting the ball The support method is divided into floating type and fixed type a: The floating ball valve is supported by the valve seat. The sealing structure is that the valve ball sticks to the valve seat on the secondary ... read more
