2012年7月23日星期一

Deep understanding to impact Crusher Runing


As a professional manufacturer of mining equipment, Henan Hxjq Mining and Construction Machinery Co., Ltd.'s main products cover stone crushing equipments: Jaw Crusher, Cone Crusher, Impact Crusher, Vertical Impact Crusher, Hammer Crusher; Grinding Machinery: Raymond Mill, High-pressure Suspension Mill, Ultrafine and Roller Mill, Ball mill and so on. Optional equipment: vibrating feeder, belt conveyor, screener and so on. Besides these, we can offer all kinds of crusher spare parts. If you are interested in any of the parts, as long as you can provide us drawings or material content requirement, we will quote the best competitive price for you as soon as possible.
Load characteristics of the production machinery can be divided into three kinds of situations: no relationship of load torque and speed; ratio change of speed and load torque; the speed changes quadratic equations proportion with load torque.
As for impact crusher, the load torque falls into resistance torque and cogging torque.
When the sensor is installed on detected objects or entering the medium to be measured, it will absorb energy or interference from the object and the medium. The physical quantity to be measured is deviation from true value, thus making it impossible to achieve the desired measurements, this is known as load characteristic of testing device (load effect). Load effect occurs not only between the sensor and the measured objects, but exists between two stages of measuring device. Load effect of measuring instruments has its inherent characteristics. Therefore, when design and build measurement systems, we have to consider its impact reduces to the minimum, so as to improve test accuracy. To a service-oriented brand integrity,As the professional manufacturer of complete sets of mining machinery, like classifiers, Henan Hongxing is always doing the best in products and service.symons cone crusher:http://www.china-mills.com/p5.html
Instantaneous load characteristics are generally indicated by a transient load curves. Although the accuracy of that method is poor, it is simple and intuitive, practical and user-friendly. Instantaneous load curve represents that when a focus occurs in a rectifier case, it is corresponding to a certain voltage (peak), which allows a maximum tube current (relationship between the average exposure time curve, different mining equipment has different curves.
The continuous load characteristics of mining equipment are generally represented with heating and cooling curves. Each mining machine has a rated maximum thermal capacity. In accordance with this value, we determine the continuous operation time of mining equipment. Corresponds to a certain amount of heat generation rate, the relationship curve of anode heat accumulation and time is called the heating curve of mining equipment. Both curves of the maximum thermal capacity of mining equipment are drew in the same diagram, which reflects the continuous load characteristics of cone crushers used mining equipment.
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