Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Scraper conveyor is one of the three fully mechanized coal mining, which is suitable for conveying coal in fully mechanized coal mining face. The sprocket assembly is an important transmission part of the scraper conveyor. Sprocket wheel component is…
The tail drum is located at the front and rear ends of the tail of the self-moving machine. It bears the weight of belt and materials, has the function of transferring power and guiding, and is an important component of the tail of the self-moving machine.…
The hydraulic support column is the main component to support and carry the hydraulic support, it directly affects the performance of the hydraulic support. Therefore, in addition to reasonable working resistance and reliable working characteristics,…
Scraper as coal mine coal transport equipment, the daily workload is still very large, especially the larger annual output of coal mines. As for the beam of the scraper, the heavy load will also make its wear faster. When the beam of the scraper wears…
There are many ways to classify the types of hydraulic cylinders, so the hydraulic cylinders are divided into the main moving parts according to the structural characteristics Piston hydraulic cylinder The main moving parts are usually made up of a piston…
