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        The way the rubber lining of the ball mill is fixed
        
							
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        • Release time：2022-04-21
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        • 球磨機(jī)橡膠襯板
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        Detailed introduction
        
                            In the ball mill, the degree of bolt fastening should be checked regularly. We all know that the rubber liner of the ball mill is fixed to the cylinder part by means of T-bolt. It is also very important to check the wear degree of the rubber strip inside the cylinder regularly so as not to wear out the lifting strip and damage the rubber liner of the cylinder and then damage the ball mill cylinder part, which is not worth the loss. One of the advantages of rubber lining is that the replacement is simple and only needs two people to operate, and where it is broken, it is an advantage that manganese steel lining does not have. Ball mill widely used, mining, chemical industry, construction, steel fields have applications, at present in the market of ball mill, rod mill, water mill 90% still used manganese steel cylinder liner, only in the lining plate consumption of manganese steel material is more than one million tons per year, the appearance of rubber lining board, by many large customers in the field of ball mill. So what are the several indicators that affect the rubber liner of the ball mill? In the barrel body of the ball mill, the components are steel balls and ores, then the components of the rubber lining plate are the lifting bar, the lining plate and the lining plate at both ends. The lifting bar of the ball mill is used to lift the steel ball and collide with the ore. The lining plate of the cylinder protects the cylinder and buffers the impact force of the steel ball, among which the direct steel ball and the particle size of the ore are also important. Therefore, a good ball mill rubber liner will be designed according to the size of the customer's mill, the feeding particle size and the diameter of the steel ball. Select the rubber formula suitable for customers, mapping, design, testing, processing this process. 2 Rubber formula and processing process Rubber material and formula directly affect the performance of the ball mill rubber liner itself, wear resistance is a factor, it is not possible to determine how long the specific use cycle is because it involves the influence of industrial and mining conditions. Second is corrosion resistance. This is a characteristic of the formula, so even if the appearance is the same performance is an advantage, do not buy for cheap.
        

        
	 

        
The core of this problem can be summarized as whether the rubber lining can be used for dry grinding, and the reason for this is that the temperature of the dry grinding before the rubber lining is rarely used for dry grinding is generally high, and the temperature of many internal anhydrops will exceed 100 degrees or even 150 degrees. As we all know, the rubber used by large manufacturers in order to improve the service life of rubber lining is natural rubber. The rubber liner made of natural rubber is a high wear-resistant rubber liner, but there is a drawback that the temperature of natural rubber exceeds 100 degrees, and the rubber will lose its original elasticity and some other physical properties, which greatly reduces the service life and wear resistance of the rubber liner. This is also a problem that many small rubber lining manufacturers in the mill rubber lining industry cannot overcome. However, the rubber liner manufacturer has successfully developed rubber liner products that can be used for dry grinding after market research and technical research. The rubber lining has been improved by technology, and the high temperature resistance formula is added inside, which makes the heat resistance of the wear-resistant rubber lining successfully reach 150 degrees. Lining plate is an important part of ball mill equipment, which is related to the normal operation of the equipment. When the bolt of the ball mill liner is broken, it will seriously affect the long-term safe operation of the ball mill. So how can I prevent the rubber lining bolt from breaking? Please follow the small series to understand it! A layer of liner (usually asbestos-cement mortar) should be added between the back of the liner and the cylinder to make the liner close to the inner wall of the cylinder. Wet ball milling by grinding body and mud erosion is more serious, should add a layer of wood plywood or 34mm thick rubber plate between the liner and the cylinder as a liner. Increase the diameter of the dangerous section of the bolt. In order to avoid the thread of the dangerous section of the bolt, it is possible to increase the bolt by 10mm and add 2-3 washers under the bolt, and add a high-pressure rubber asbestos plate pad on the surface of the cylinder. High pressure rubber asbestos board has high strength, high temperature resistance, not afraid of water and other properties, can not only prevent leakage, but also have a certain buffer performance. The liner bolts need to be tight. When the ball mill is running, it is necessary to check whether the liner bolts are loose and broken. Bolts loose, should be tightened in time; If the bolt breaks or the liner falls off, stop grinding immediately. Improved sealing of ball mill liner bolt. When the hexagonal head of the bolt is changed into an angular cone (the liner bolt hole is also improved accordingly), the hexagonal cone large end of the angular cone bolt is flush with the working face of the liner plate. The placement sequence of the rubber liner bolt penetration (from the hexagonal head end) is: Lining plate, conveyor belt, cylinder, special washer and rubber ring, flat washer, spring washer and nut (if no spring washer can be double nut) rubber trap special washer, rubber ring thicker than the special washer 3mm after the flat washer is pressed, can fill the space, thus acting as a seal, to prevent leakage, and protect the cylinder.
        
						
        
					
        
                
        
			
        
            
        
				
			
        
			
        

        
    
        
        
        
            
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