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stone jaw crusher, 1.Primary and secondary crusher, 2.South Africa is our dominant market, 3.ISO9001:2000 approved - details see: https://www.machineto.com/2011-high-efficiency-stone-jaw-crusher-pef-series-10082119

High Effective stone jaw crusher:
zhengzhou Hongji supply High Effective fine crusher, jaw crushers, jaws crusher, high quality big capacity. Mainly used to crush kinds of mining stones primarily, and the largest compression resistance of the material is 320MPa. The jaw crusher is widely used in stone mining, metallurgy industry, building material, highway, and chemical industry.

Working Principle of stone jaw crusher:
The motor transmits power through belt, drives the moving jaw to do periodic motion towards the fixed jaw by the eccentric shaft. The angle between toggle plate and moving jaw plate increases when moving jaw moves. So the moving jaw moves towards the fixed jaw. The stuff will be crushed in this process. The angle between toggle plate and moving jaw decreases when moving jaw moves down, the moving jaw moves leaves fixed jaw by pulling rod and spring, the final crushed stuff will be discharged from the outlet.

Characteristics of stone jaw crusher:

-High ratio of crushing,
-Even final size,
-Simple structure,
-Reliable working condition,
-Easy maintenance,
-Low operating cost.

Specifications of stone jaw crusher:

Model	Technical Performance				Power (kw)	Overall Dimensions (mm)	Weight (kg)
	Max. Feeding Size (mm)	Adjustment scopes (mm)	Capacity (t/h)	Rotating speed of main shaft (r/min)
PEF150×250	125	10-40	1-3	285	7.5	922×745×933	700
PEF200×300	165	20-70	2-8	265	11	1056×1100×1120	800
PEF250×400	210	20-80	5-20	310	18.5	1108×1142×1392	3000
PEF400×600	340	40-90	10-40	275	30	1700×1732×1392	7200
PEF350×750	290	30-55	20-50	300	37	1900×1806×1808	8900
PEF500×750	425	50-100	34-68	275	55	2050×1860×2145	11320
PEF600×900	480	75-200	40-120	255	75	2792×2168×2250	17600
PEF750×1060	630	80-200	80-160	250	90	4180×2560×3070	30530
PEF900×1200	750	100-200	110-200	250	110	5200×2900×3500	50000
PEF1200×1500	1020	150-300	220-400	180	160	4200×3300×3500	106000
PEX150×750	125	10-40	5-15	300	15	1220×1480×1180	3600
PEX250×1000	210	15-55	10-32	300	37	1580×1992×1380	7350
PEX250×1200	210	15-60	12-38	300	37	1530×2192×1380	8700
PEX300×1300	250	20-90	16-65	300	55	1930×2400×1747	11600

After-sale services
Provide considerate services to minimize clients' worries.
(1) Assist clients to prepare for the first construction scheme;
(2) Install and debug the equipment;
(3) Train the first-line operators on site;
(4) Examine the equipment regularly;
(5)Take initiative to eliminate the troubles rapidly at site;
(6) Distribute the guarantee fittings door-to-door;
(7)provide perfect service;
(8)Provide technical exchanging;
(9)Provide maintenance for big items.