Home>Bearing knowledge>Things to pay attention to when using the mill

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Matters needing attention when using the mill

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The mill is mainly used in the grinding of mineral materials in the fields of metallurgy, building materials, chemicals, mining, etc.; followed by the development of the industry; the demand for materials is also getting higher and higher; the ball mill is now unable to satisfy the demand in some cases. Therefore, the mall of the mill will become wider and wider. This article first analyzes the matters that need to be paid attention to during the normal operation of the mill; ensure the stable operation of the machine; prevent the loss of the company.
1. The transmission of the mill has some primary use of rolling bearings; therefore it is necessary to operate under excellent smooth conditions; otherwise it will damage the bearings; shorten the service life.
The protection method is as follows: the spindle refueling time is once per shift; but it is necessary to pay attention; if the oil in the oil cup is not lost or the loss is too slow; the oil passage should be removed immediately; 50# mechanical oil is added; the oil cup is oriented at the upper end of the main shaft; The spindle base bearing and the grinding roller shaft bearing are filled with grease gun 3# lithium-based smooth grease once every time; the analyzer bearing is removed and removed once every six months; adding 3# lithium-based smooth grease; the fan bearing chamber is added with lithium Base smooth grease.
2. It is forbidden to enter the metal block; otherwise it will damage the grinding roller and the grinding ring; even the middle hanger.
3, the feeding should be uniform; not too much or too little. Adding too much will block the air duct; lower the output value; easy to burn out the motor; too little feeding will also feed the output value. Feed particle size: when the diameter is less than 15 mm Suitable; soft material diameter can be 20 mm; prohibiting large materials from participating in the machine.
4. Air volume conditioning; air volume control valve located on the air intake pipe of the fan; usually open to the maximum azimuth; properly adjusted according to the fineness and output value. The conditioning valve located on the exhaust pipe of the exhaust gas outlet; no dust spray at the feed inlet It can be used. The air volume is small and the fineness is high. However, it should be paid attention to; the wind volume is over. The road is down.
5, fineness conditioning; according to the size of the material, soft and hard, water content, specific gravity is different; processing thickness is not the same; adjustable upper analyzer; high speed, high fineness; low speed, low fineness. Progressive fineness; the output value will decrease accordingly; if it is not up to the demand, the fan speed should be debugged; the user can be sensitive.
6, the grinding roller grinding ring elimination limit; the remaining minimum wall thickness must not be less than 10mm.
7. When parking; first stop the feeding; the main machine is still smashing; the residual abrasive is continuously milled; about one minute later; the main motor and the analyzer motor can be closed; the grinding operation is stopped; In order to blow off the residual powder.

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