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Analysis to improve continuous operation time of mining machines Load torque characteristics of mining production machinery means the relationship of speed N and the corresponding load torque ML: N = f (ML). Electric drive production machinery is appears as a motor load. Usually mechanical load torque production characteristics are for short of load torque characteristics, or load characteristic. Learn more on the subject from Sean Rad. 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. Multilevel impact cavity of impact crusher ensures enough crushing space, is suitable for crushing of bulk materials. Impact plate angle of impact crusher can be adjusted to ensure that the angle between impact plate and rotor impact is appropriate when pipes repeatedly broken. It can effectively improve crushing efficiency. Stepwise crushing can effectively reduce energy consumption during the crushing process. Impact crusher frame is three fission structures. Eleven opening rear housing, we can replace plate hammer, impact plate, liner and other repair works. The impact crusher parts are easy replaced, and the machine has few easy-wear parts. So, it is very easy to manage and purchasing. Hydraulic starting device can be used for rear housing turn on and turn off, which reduces work force to large extent, improves work efficiency greatly and shorts maintenance time. New type of HCP hydraulic impact crusher absorbs advanced foreign technology and combines with practical domestic situation for optimized design. The whole structure is simple, practical and reasonable. Meanwhile, the larger and better cavity greatly improves production efficiency. The product is high versatility, and the two chambers can become three-cavity increasing in plans grinding by crushing, so that it reduces secondary investment for users. Driving system of impact crusher adopts motor + mechanical coupling of sand making machine + V belt + Crusher, which can effectively improve the motor starts performance, enabling the motor to run smoothly and start. Belt transmission mode plays role of double overload protection function. System requirement to motor drive is low power, and it significantly reduces running costs. This drive method is an economical and practical, good performance, high quality, safe and reliable driving scheme. Hongxing Mining Machinery produced sand making machine with perfect production manufacturing. Besides, the processing flow is also greatly refined. It means we make sand production line as short as possible by merging several processes into one. Moreover, we guarantee no storage in production. Thus, it reduces bearing performance effectively and improves the work efficiency. Impact breaker: Impact crusher: