Balance hole can not be too much open, mainly affecting the efficiency of the pump, the following describes some of the axial thrust of the pump balance.
The shape of the taper twin screw has two types: straight and involute. b, c, and d show the axial cross-section of the conical twin-screw, and b shows the straight-toothed shape. It is an involute tooth profile. The biggest advantage of the straight profile is that the machining is simp.......
As we all know, the sprinkler is a very common type of sanitation vehicle. It has made a tremendous contribution to helping people improve their environment. Whenever we walk.......
According to statistics from the China Association of Automobile Manufacturers, micro-customer production and sales volume reached 1,284,100 units and 1,336,600 units in the first half of 2010, a year-on-year increase of 38.73% and 42.87%, respectively, and.......
In 2014, the country’s tire production exceeded 562 million, of which the production of radial tires exceeded 511 million (full steel tires 112 million, and quaternary steel tires 399 million), and the radialization rate was 90%.
China's waste tire.......