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How to adjust the space between ring die and roller?

1. YONGLI ring die pellet mill working principle: ring die operates to produce centrifugal force, so that the material is adhered to the inner wall of the ring die, at the same time, materials and the roller shell friction, drive roller shell and ring die wall of wire speed isokinetic operation. Due to the gap between the die roll only 0.1 mm to 0.3 mm, the gap adjusting wheel and screw under the action of the clearance constant. So between roller and ring die have formed the extrusion pressure greatly, so that the material is squeezed into the die hole.



2. Effect of YONGLI ring die pellet mill roller die gap on granulation: in order to obtain the best effect of granulation and adjust the gap between the well ring die and roller is very important. Gap is too small will exacerbate the ring die and roller wear, enhanced roller of ring die extrusion of internal stress, reduce the service life of the roller and ring die, especially the ring die horn wear is more serious, the theory is 0.1 mm to 0.3 mm.




3. How can more conveniently to die roll gap adjustment to 0.1 mm to 0.3 mm in the range? "In the mold to adjust the roll gap must ensure the ring die and roller working face clean no material deposit, rotating ring die in a week, working face of a quarter or a third, so as to drive the roll shell operation can, at the same time to ensure that the gap regulating wheel and lock screws in good working condition.

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Contact: jessica@yongli-machine.com
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Structure and working principle of YONGLI pellet mill

YONGLI ring die pellet mill is mainly composed of feeding, conditioning, granulation, transmission and lubrication system etc. Its working process requires the powder water content is not more than 15%. Powder from the hopper into the feeding auger, by adjusting the infinitely speed motor speed to obtain appropriate material flow, and then enter the conditioner, and through further stirring rod stirred and mixed with steam quenching and tempering. If you need to add molasses or grease, from conditioner joined together with steam conditioning, adding amount of fat is generally not more than 3%, otherwise difficult to shape). After quenching and tempering, the temperature of the powder mixture can reach 64 to 85 degrees C and the humidity is 14 to L 6%. And then through the chute through suction device of iron powder to remove iron impurities mixed in, and finally into the press room. Ring die pelletizer suppress room main working parts by ring mode, two roller, feeding blade, cut knife ...
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Pellet mill ring die inspection and adjustment.

Yongli ring touch lining ring wear the ring die and the transmission wheel is hollow shaft is concentric, that is, we often say ring concentric die is not good, will also enable Yongli machinery granulator produces vibration capacity decreased, seriously affect the service life of the ring die and Yongli machinery granulating machine, can also cause: "ring guide die mouth or a draw ring die cracking and fragmentation; increase mechanical granulating machine spindle bearings and air shaft bearing and gear shaft and the keys of the load to accelerate the wear and tear"; Inspection method: Caliper: wear a 0.5 mm, should be replaced; the ring die is arranged in the driving wheel and ring mold flange and a transmission wheel relative deviation of the observed; ring die and the driving wheel assembly asymmetric ring mold sagging, up, down, left and right push the ring die not loose feeling. Web:  www.yongli-machine.com Contact:  jessica@yongli-machine.com
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