Nigeria Cement Plant Vertical Roller Mill 2019-09-24

Summary : Nigeria Cement Vertical Roller Mill Grinding Roller Center Alignment Method Method One The method of using the Nigeria Cement Vertical Roller Mill to roll the aligning rod to find the Nigeria Cement Vertical Roller Mill grinding ro…

Nigeria Cement Plant Vertical Roller Mill

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Nigeria Cement Vertical Roller Mill Grinding Roller Center Alignment Method

Method One

The method of using the Nigeria Cement Vertical Roller Mill to roll the aligning rod to find the Nigeria Cement Vertical Roller Mill grinding roller is as follows: unloading the tensioning hydraulic station before centering. First remove the material on the pressure frame and find the alignment mark made by the manufacturer; then use the 0.5mm thin steel wire to find the center of the pressure frame by centering the mark.

Use the plumb bob to make the center of the pressure frame coincide with the center of the main reducer; then use 3 steels for the 3 Nigeria Cement Vertical Roller Mill rolls, the horizontal deviation of the steel pin is within ±5mm; the center of the pressure frame and the center of the main reducer are 1mm. Then adjust the impact plate gap to ≈ 5mm.

Through the maintenance practice, it is found that only the Nigeria Cement Vertical Roller Mill grinding roller is used to find the positive roller to correct the Nigeria Cement Vertical Roller Mill roller. The method has many disadvantages, and the precision is very poor. For example, the precision of the positive hole and the Nigeria Cement Vertical Roller Mill of the Nigeria Cement Vertical Roller Mill is very poor, and the positive rod is inserted. The amount of post-free turbulence is large and has exceeded the accuracy range of 5mm.

Method Two

In the overhaul, the fundamental purpose of the Nigeria Cement Vertical Roller Mill grinding roller to find the center is to ensure that the three Nigeria Cement Vertical Roller Mill grinding rolls are evenly distributed around the center of the grinding disc, mainly to adjust the radial distance, axial distance and Nigeria Cement Vertical Roller Mill grinding of the grinding machine grinding roller relative to the center of the grinding disc. The angle of inclination of the rolls is made uniform, thus ensuring that the grinding rolls of the Nigeria Cement Vertical Roller Mill are still centered well during dynamic operation. In order to improve the accuracy of the center of the Nigeria Cement Vertical Roller Mill roller, we have found a practical and effective method to improve the quality of inspection and equipment.

There are three hinges for the Nigeria Cement Vertical Roller Mill roller on the pressure frame. The positioning of the pressure frame directly affects the position of the Nigeria Cement Vertical Roller Mill. Therefore, the center of the downforce frame must first be found in Figure 1. The pressure frame is made of an equilateral triangle, and the center of the pressure frame is drawn through the center of the pressure frame end and the center of the opposite side Nigeria Cement Vertical Roller Mill roller hinge shaft. The center of the pressure frame is aligned with the reducer shown in Fig. 2 The center of the flange is output, which ensures that the inclination angles of the three Nigeria Cement Vertical Roller Mill rolls are the same.

The alignment process of adjusting the center of the wire hammer and the output flange of the reducer is the installation and adjustment process of the pressure frame. The main adjustment of the pressure frame and the positioning gap of the guide plate must ensure that the gap of the front guide plate is zero, and the gap of the guide plate after the test is consistent; The gap of the design guide plate is 5mm±0.5mm, which has been proved to be too large. It is now adjusted to 3mm±0.5mm, and the effect is very good.

The Nigeria Cement Vertical Roller Mill grinding roller is mainly solved by the optional Nigeria Cement Vertical Roller Mill grinding roller and the lining plate; the maximum outer diameter of the three Nigeria Cement Vertical Roller Mill roller lining plates is strictly tested beforehand, and the outer diameter deviation is controlled by <4mm; the thickness of each lining plate is also the same. Strict inspection, control thickness deviation <1mm, over-standard parts grinding. This directly ensures that the vertical centering deviation of the Nigeria Cement Vertical Roller Mill grinding roller is less than the standard requirement of 5mm, and the calibration can directly measure the vertical distance between the Nigeria Cement Vertical Roller Mill grinding roller straightening hole and the reducer output flange without using the finding rod.

At this time, the horizontal deviation of the grinding roller is usually <5mm. When checking, the distance between the grinding roller and the centering point of the Nigeria Cement Vertical Roller Mill is measured along the aligning rod. Usually, there is no need to deliberately adjust; Then, the center deviation of the pressure frame under the balance control and the horizontal deviation of the Nigeria Cement Vertical Roller Mill grinding roller.

Four Steps Ensuring Safety And Efficiency Of Machine Preparation And Shipment

  • 1. Checking order. With the sales contract, the order tracking clerk checks the models and quantities of machine and spare parts for machine preparation.
  • 2.Quality test before delivery. Upon completion of the manufacturing of equipment, the quality inspector strictly checks quality of every machine with the checklist.
  • 3. Check items when packing. Before packaging and shipment, the order tracking clerk checks the packaged items again with the packing list to avoid loss of items.
  • 4. Packaging and transport. Professional packaging and modular solution of transportation guarantee the safe and smooth delivery.

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