PFW Series Impact Crusher (European impact crusher) is mainly used in metallurgy, mine, cement, chemical engineering, fire resistant materials, ceramics and other industrial sectors, as well as in the expressway construction, water conservancy project, aggregate and machine-made sand process fields, etc.
Based on the actual production situations and years of operation stressing simulations of impact crusher, SBM R&D Center found that the traditional linear plate hammer is liable to wear, which causes that the impact surface of plate hammer cannot strike materials perpendicularly, thus the crushing efficiency decreases rapidly. Therefore, SBM tried different plate hammer designs, and finally chose the crescent plate hammer. Compared with linear plate hammer, this design possesses large impacting force and impact surface, and is more durable. European impact crusher adopts firm heavy rotor to obtain higher rotational inertia and counterforce and to enhance crushing capacity of the impact crusher. For the usability of rotor, SBM adopted elaborate method to detect the surface, near-surface and internal defects, so as to guarantee high quality of the jaw crusher. SBM boldly used constant-pressure spring safety device on the impact plate. After the non-crushing material (e.g. iron block) entering into the crushing cavity, the front and rear impact racks will move back, and the non-crushing material will be discharged from the crushing machine automatically. Then, the impact racks will return to their normal working positions, thus eliminating the hidden danger of machine blocking. The whole process is completed automatically, which greatly reduces the time for manual stopping, cleaning and maintenance, and greatly enhances the production efficiency of the whole production line. Allowing for the wear of quick-wear parts is inevitable during production and occasionally emergency shutdown is required for inspection and repair, SBM installs two identical sets of screw rods or hydraulic flapping devices on both sides of the rack (to be determined according to the specific model). The operator of the impact crusher can easily operate and stably open and close the rear upper cover through this device to complete the maintenance work.
Crescent Plate Hammer
Heavy Rotor & Elaborate Detection
Spring Safety Device
Semi-automatic Hydraulic Top-opening Device
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