Our company have been exported to tens of thousands of sets of jaw crusher for gravel, sand production line, you can find the company's trademark all over the world. Jaw Crusher is suitable for processing all kinds of coarse, medium and fine material(granite, limestone and concrete) that the side is not exceeding 500mm and the compressive strength less than 350 million mpa, it is widely used in water and electricity, expressway, manual ballast, crushing, etc. Jaw crusher is the ideal processing equipment of advanced road surface and hydropower construction in aggregate, due to its superior performance and good performance, it are widely used in highway construction, water conservancy projects and the construction of gravel processing and other fields.
Features of jaw crusher
1. Crushing chamber depth and no dead zone, increased capacity and output feed
2. Big crushing ratio, uniform particle size.
3. Gasket nesting population adjustment device, reliable and convenient, big adjustment range, increase the flexibility of the device.
4. Lubrication system safe and reliable, easy to replace parts, maintenance workload is small.
5. Simple structure, reliable operation, low operating costs.
6. Energy-saving equipment: Single machine energy saving 15% ~ 30%, the system energy saving more than double
7. Nesting population has big adjustment range, to meet the requirements of different users.
8. Low noise, little dust.
Advantages of jaw crusher
1. Effectively solves the problem of high operation rate and little maintenance time caused by low output of limestone crusher.
2. Can complete the crushing work of large-sized limestone.
3. The blending of the two materials is even and the mixing quantity of the desulfurized limestone is greatly increased.
4. The electricity needed is reduced.
5. The granularity of the wastes is small.
6. Effectively improves the labor strength and the working environment of the workers.
Structure and wroking principle of jaw crusher
The structure of Jaw Crusher includes main frame, main axle, roller bearings, eccentric shaft, jaw plates, side plates, toggle mechanism, fly wheels and springs.
The strip and strip pulley are driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger when the moving jaw runs up. The moving jaw board leaves the fixed jaw board under the action of pole and spring, and then the end products come out from the crushing cavity. And also, Jaw crusher is always used as the Primary jaw crusher.
Operations of jaw crusher
1. Start feeding after checking the machine.
2. Evenly put the material into the machine, and avoid putting material from the side or feeding too much to avoid over-feeding, sudden load change or blocking.
3. Stop feeding before stopping machine. Stop motor after all material discharged.
4. Stop the motor if there is any stagnancy due to the blocking up of material inside the machine.
5. The other side can be used if one side of fixed jaw plate and movable jaw plate is worn.
6. Check all fixed parts before starting to use and tighten the part if loose.
| Specification and Model | Technical Characteristic | Motor power (kw) | Dimension (L× W× H) (mm) | Weight (kg) |
| Max. feeding size (mm) | Adjustment range (mm) | Production capacity (m 3 /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 |
Henan Dajia Mining Machinery Co., Ltd (the former Henan 3rd Machinery Factory founded in 1902) is one leading manufacturing enterprise in China and the key enterprise in mechanical industry and Zhengzhou City. After joint-stock system reform, Henan Dajia Mining Machinery Co., Ltd is established, focusing on the design and manufacture of mining machine, complete preparation equipment, rotary kiln and construction facilities, etc. With the advantages of many years' Development, we now have rich experience and powerful strength in independent design and manufacture of stone crusher, ball mill, ore separator and complete plants of cement production, limestone production and ceramsite production, and we have also passed international quality system certification.
Our products are widely applied in industries such as mining, manufacturing, mineral concentration, metallurgy, chemicals, water conservation, road and bridge constructions. Now we become the local largest manufacturer of complete ore concentration plant. With the advanced inspection equipment and strict quality guarantee system, we passed the ISO9001 certifications early in 1997 and passed ISO9001: 2000 certifications in 2003.
Currently, we have built a full product chain of 5 series with near 30 kinds including stone crushing, sand making, ore separating, cement manufacturing, basing on the main products like crusher, ball mill, rotary kiln, and assisting by vibrating screen, vibrating feeder and dust collector, etc. The advantages of high technology, higher reliability and lower operation and maintenance cost make our products the leading industrial position. Our products have been used for the international mining and construction industries in more than 40 Countries. We own a sale and service team with rich experience and good technology and an integrated sale and service network. With our high quality products and sincere service, we are recognized and praised by our customers, the mining industry and our competitors.
Henan Dajia welcome everybody all over the world.
