Jaw crusher (jaw crusher) maximum nip angle up to 32 °, the nip angle is the angle between the movable jaw and fixed jaw. According to the calculations.Actual use are less than 25 °, usually about 18 ° -20 °Nip angle is too large, make up the ore crushing cavity extrusion, resulting in wounding or Tannu other equipment at the same time as the nip angle increases (broken than increase) decrease in productivity.Adjust the size of the port of discharge, and also change the size of the nip angle.Actual production, according to the row of ore particle size to adjust the size of the discharge mouth. Therefore, to ensure that the product size requirements, as far as possible to enlarge the port of discharge and reasonable discharge mouth size can be adjusted by adjusting the block to adjust the size of the port of discharge, pay attention to the broken relationship between the ratio and productivity. Within a certain range, and the increase in the number of revolutions of the eccentric shaft can be to increase the production capacity of the crusher (crusher). But will also increase the power consumption of the the crushing unit mass ore. Too much speed, too late to make the broken chamber has been broken ore discharge and clogging the contrary, the production capacity to reduce the power consumption increase. Therefore, the jaw crusher should be one of the most suitable number of revolutions. In addition, we should always pay attention to the wearing parts of the jaw crusher (jaw crusher eccentric shafts, connecting rods, movable jaw plate, main shaft and liner wear parts) lubrication and maintenance.
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