The installation method of the transmission shaft universal joint is as follows: 1. Lift the front end of the vehicle with a jack. Place the jack at the front of the frame for stab
In addition, there is a chemical reaction between the corrosive medium and the surface of the cutter in the coal seam to form the corrosion of the surface data, the mechanical prop
The pick type pick has the simple structure, can click the planing coal, the depth of the knife, can actively sharpen and often keep the tooth sharp in the operation, the shearer l
Mining tools are essential equipment used in the extraction of minerals and other valuable resources from the earth's crust. The mining industry has been around for centuries, and
Select high quality billet feeding, heating, forming, forging cooling. The forging process includes free forging, die forging and tire forging. Production, according to the forging
Casting flange, blank shape and size is accurate, processing amount is small, low cost, but there are casting defects (pores. Crack. Inclusion); The internal structure of the casti
Machine tool accessories, is used to expand the processing performance of the machine tool and the scope of use of the accessory device, it can ensure the processing accuracy, redu
Flange is a kind of disk parts, flanges are used in pairs, in the pipeline engineering is common. In pipeline engineering, flange is mainly used for pipeline connection. In the nee
When the steel ingot forging reaches a certain forging ratio, the dendritic grains of the as-cast structure are crushed and deformed and elongated along the main deformation direct