发布时间：2014-08-05 14:48:51

When the jaw crusher works, the eccentric shaft's main problem is the journal out-of-round. The method to repair the journal out-of-round is welding bead welding method and brush plating method. Howerver, we emphatic explain the welding bead welding method: (1) the shaft is removed, in the lath.........【阅读全文】

发布时间：2014-08-05 14:39:50

Building materials both constitute the material foundation of buildings and structures, and with the development of social production and materials science and molding. Road construction materials mainly used in various parts of the embankment, pavement, bridges, tunnels and other various compo.........【阅读全文】

发布时间：2014-08-02 10:45:26

With all the continual escalating demand for portland cement and consistent strain for reduced vitality consumption, producers are exploring a wide range of cost-saving manufacturing alternatives. A single option is vertical roller mill technological innovation for finish grinding. The single b.........【阅读全文】

发布时间：2014-08-02 10:43:24

Railway ballast stone is the main raw material of the railway construction, and the railway confined mainly played the role very strict requirements for hardness and grain size of the high-speed railway ballast.Railway gravel ballast are generally drawn, headed to the granite and limestone, bec.........【阅读全文】

发布时间：2014-08-02 10:40:44

The main factors that generally affect the crusher model c100 nip angle and the number of revolutions. Nip angle is moving Hubei and the angle between the fixed jaw. According to the calculation of the maximum nip angle up to 32 degrees. The actual use are less than 25 degrees, typically about .........【阅读全文】