Crusher's roter: both sharpening and chopping wood do well

FOR IMMEDIATE RELEASE
(Free-Press-Release.com) January 9, 2012 -- Crusher is the common and important equipment in mineral production. So it's necessary to do preventive maintenance of rotors of crushers. Let's introduce the steps of daily maintenance taking hammer crusher as an example.

Forewarned is forearmed, without prejudging the waste. Rotor preventive maintenance can greatly extend the rotor using life, reduce crusher failure, improve the utilization rate of crusher and effectively improve the crusher production. What benefits can be got from preventive maintenance of rotors?

A) What are the main content of rotor hammer dish repair in hammer crusher are?

Henan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing. It is located at the High & New Technology Industries Development Zone of Zhengzhou,China with an area of 50 thousand m2 which includes 15,000 m2 of standard heavy duty industrial workshop. Equipments are more than 160 pieces, including large and medium sized metal processing, riveting and installing equipments. There are more than 660 workers including 80 administrators with secondary and senior occupational titles and engineering technicians. In order to promote the competitive strength, the advanced technologies have been introduced from America, Germany, Japan and Australia, which established the international advanced production line, first-class modern testing base as well as research centers of sand maker, mill and mine-selecting equipment. Scientific management, advanced processing technology and innovative manufacturing theory make the company become the mining machinery manufacturing and exporting base in China.

Hammer dish installation. The cooperation of key and keyway should be paid attention and checked and each hammer dish should be tightly fitted with each other. Lock device is checked and can be changed when necessary, to prevent hammer dish removing and spindle shifting.

B) For the excessive worn crusher rotor, what are the main faults?

The main faults of the hammer crusher are: hammer shaft hole on hammer dish and the outer edge are worn seriously, hammer shaft fracturing, hammer dish cracking, lock device failure, spindle displacement, bearing heating, bearing damaged, spindle deformation and even rupture.

C) Why is there regularly rotor work analysis, life prediction and plan to overhaul maintenance?

In hammer crusher, the high speed rotating hammer will impact and crush and grind the limestones. For the equipments in long working time is bearing the impact and friction of materials, rotor members are worn, deformation, damaged and will lose the normal work ability, which is inevitable. If we don’t do regularly rotor work analysis, life prediction and do planned maintenance and overhaul, once emergencies appear, these emergencies will cause severe losses that all production will stop,which is so serious to the enterprises.

D) What are the main content of hammer repairing and gradation on hammer crusher are?

The main content of hammer repairing and gradation on hammer crusher are: hammer is the main work parts in hammer crusher. Hammer dish is divided into several parts along the circumference and equipped with N hammers. Adjacent hammer interlaced and the hammer can do full circle swinging in 360 degrees. When the front edge of hammer are worn to the two-thirds of width, the hammer can be turned over to be used again. The worn hammer can do bead weld antifriction alloy and save a large amount of metal material consumption.

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