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High crushing ration primary stone jaw crusher  Shanghai Dingbo Machinery Co., LTD specializes in manufacturing, developing and selling stone jaw crusher of various models.With the communication and cooperation among international mechanical technologies ,advanced German machine and our domestic creation and invention, Dingbo Jaw crusher has been improved greatly in its perfect quality service and high efficient energy-consumption reduction.    Dingbo Manufacturer of Jaw Crusher Jaw crusher is one of the most popular stone-crushing equipments in the world. It is ideally suitable for primary and secondary crushing processing machine selection. The highest anti-pressure strength of crushed material is 320MPA.   Based on many years' experience and technology development, Dingbo jaw crusher series are of 8 different types, which can meet most of the crushing requirements in primary and secondary crushing. Flexible discharge opening setting of jaw crusher allows perfect match with relative equipments. Dingbo jaw crushing machine is easy to install, operate and maintain. As each feedback, our experts will make continuous improvements on our products to meet customers' different needs. Primary Jaw Crusher is widely used in fields of mining, metallurgy, construction, smelting, hydropower and chemical industries etc. Working principle Jaw crusher’s working type is of moving and squeezing. The working principle is as follows: jaw crusher uses motor as its power. Through the motor’s wheels, the eccentric shaft is driven by the triangle belt and slot wheel to make the movable jaw plate move by a regulated track. Therefore, the material in the crushing cavity composed of fixed jaw plate, movable jaw plate and side-lee board can be discharged through the discharging opening.     Jaw crusher mainly consists of frame, eccentric shaft, jaw plate, connecting bar, adjustment part and spring. The movable jaw goes upward and downward through eccentric shaft when belt and belt wheel are driven by the motor. The angle between movable jaw and bracket turns big when the movable jaw goes upward, which pushes the movable jaw plate to come close to fixed jaw plate. At the same time, materials are crushed with the movement of the movable jaw.   When the movable jaw goes downward, the angle between movable jaw and bracket turns small. Under the force of spring and connecting bars, the movable jaw plate leaves fixed jaw plate, and the crushed materials with qualified size are discharged from the crushing cavity. With the continuous rotation of the motor, the movable jaw crushers and discharges materials, in turn, realizes the goal of mass production.       Jaw Crushes Technical Specifications  

Model	Feeding Opening Size(mm)	Max. Feeding Size(mm)	Adjustment range of discharging opening(mm)	Capacity (t/h)	Power (kw)	Overall dimension (mm)	Weight (t)
PE250*400	400*250	210	20-80	5-20	15	1450*1315*1296	2.8
PE400*600	600*400	350	40-100	15-65	30	1700*1732*1653	6.2
PE500*750	750*500	425	50-100	45-110	55	2035*1921*2000	11
PE600*900	900*600	500	65-140	90-180	55-75	2290*2206*2370	16
PE750*1060	1060*750	630	80-160	110-320	110	2655*2302*3110	29
PE900*1200	1200*900	750	100-200	200-400	132	3380*2870*3330	545
PE1000*1200	1200*1000	850	195-260	220-450	160	3480*3876*3330	58
PE1200*1500	1500*1200	1020	150-300	400-800	180-220	4200*3750*3820	100.9
PEX150*2520	250*150	125	10-40	1-5	55	875*758*850	0.81
PEX150*750	750*150	125	18-18	5-16	15	1200*1500*1200	3.8
PEX250*400	400*250	210	20-80	15-30	22-30	1667*1545*1020	5
PEX250*1000	400*250	210	25-60	16-50	30-37	1530*1992*1380	7
PEX250*1200	1200*250	210	25-60	20-60	37	1900*2192*1430	8
PEX300*1300	1300*250	250	25-105	20-90	75	2720*1950*1600	11

      Dingbo Heavy Industry looks forward to cooperation with you Thank you for your attention