Flat hammer as one of the most important parts of impact crusher, it has high installation requirement. Today,following with Luoyang Dahua to have a look.
1. When replace the flat hammer, all of the flat hammers must be removed together and change face to prevent the rotor unbalance and crusher vibration, which causes the accident occurred.
2. The gaps between the flat hammer and grate plate should be consistent, and the error is no more than 2 mm.
7. The numbers of flat hammer are associated with the specification of the rotor, the larger the rotor specifications are, the more the numbers of flat hammer are.
4. Fixed type on the rotor
a. Bolt fixing. The bolt directly fixes on the flat hammer is easy to be worn, and is also easy to be broken.
b. Pressing plate fixing. The flat hammer insert into the groove from the side of rotor, the both ends are fixed by pressing plate. But the flat hammer is easy to loose.
c. Wedge fixing. The flat hammer is fixed on the rotor by wedge block and be tightened under the centrifugal force. By this method, it is easy to be replaced.