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Issued by the U.S. economy to read the Institute of Supply Industrial Index for the month of June a value of 49.7, compared with $ 53.5 the previous reading for the month of May / May, and so the current reading is worse than analysts' expectations, which indicated a value of 52.0.As for the prices paid to read of the Institute of Industrial supply for the month of June came a value of 37.0, compared with $ 47.5 the previous reading for the month of May / May, and so is the current reading is also worse than analysts' expectations, which indicated a value of 45.8.

Knowledge about Ball mill operation and solution

Mining machinery industry,a pillar industry in China's economic construction and social development, plays an important role. With development of economy & technology, competitions in this field are getting more and more fierce. For the mining machinery industry trends in 2011, running the machines and keeping them going was a tough and expensive business, and in the end it proved more productive to break the mining operation into about mining equipment and mining new technology.

The overall level of mining machinery and the international advanced level there are still gaps. Mining machinery manufacturing power towards the journey, the opportunities and challenges. The soul of the manufacturing product design, product structure, function, quality, cost, delivery time and manufacturing ability, maintainability, scrap processing and post-human, Machine and environment relationship, in principle, are in the product design stage decision. Design capacity of product innovation has become a deciding competitive position in the global primary factor.Along with social progress and national economic development, human resources and increasing demand for energy, while China is a relatively resource-poor countries. As resource development, mining depth increased gradually extending to the ocean from land, resources, deteriorating mining conditions and safe exploitation of the situation is becoming increasingly serious; coal mining in China has reached the depth of 1000m, metal ore concentration 1380m, deposits increased mining depth , groundwater, gas, high stress, geological structure greatly increased difficulty of exploitation of resources.

What you need to do when the ball mill enters the belly bulge?

Ball mills are crucial equipment for grinding after materials are crushed. It is an efficient tool for grinding various materials into powder.

With regard to the use of Ball Mill belly bulge appeared in the process, there are several factors:

Firstly, to see whether the ball mill to the mine mouth spit normally expected, if not properly spit expected, is likely to lead to bulging belly ball mill;

Secondly, listen to the sound of the ball mill; if the smaller changes the sound stuffy, it is very possible to be ball bulging belly;

Then, look at the current ball mill control cabinet, so they think that when the current value is likely to become larger mill expansion belly of the precursor is in fact not the case, if the ball bulging belly, its current value is become small. So we need to pay more attention to operating the ball mill correctly.