Why Your Coal Tar Pump Is Not Being Oiled
One of the main reasons a coal tar pump may not be properly lubricated is internal gear wear, which can lead to poor suction performance. Another common issue is the use of low-quality gear materials that are unsuitable for the intended application, causing premature failure. These problems often affect the overall efficiency and lifespan of the pump. The most critical component in this scenario is the bearing. If there's any play in the bearing, it can disrupt the normal clearance between the three friction pairs inside the ZYB-B adjustable pressure residual oil pump. This disruption also damages the hydrostatic support oil film, reducing the pump’s ability to maintain proper pressure. As a result, the service life of the bearing is significantly shortened. According to data from the ZYB-B adjustable slag pump manufacturer, the average bearing life is around 10,000 hours. Once this limit is exceeded, the bearing must be replaced to avoid further damage. First, replace the plunger rod and cylinder hole according to the standard replacement guidelines for adjustable slag oil pump components. When the tolerances of the parts are out of range, the following repair methods can be used: 1. Heat the cylinder or freeze the copper sleeve and then perform interference assembly. 2. Use Loctite adhesive for assembly, which requires grooves on the outer surface of the copper sleeve. 3. Tap the cylinder hole and process the outer diameter of the copper sleeve with threads. After applying Loctite rubber, screw it into place for assembly. Second, apply "surface engineering technology" to restore the worn areas. The methods include: 1. Electroplating: Apply a layer of hard chrome to the plunger surface. 2. Brush plating: Apply a wear-resistant material using a brush. 3. Thermal spraying, arc spraying, or electrospraying: Spray high-carbon martensite wear-resistant material. 4. Laser welding: Weld high-hardness wear-resistant alloy powder onto the plunger surface. Third, if the cylinder hole doesn’t have a copper sleeve, the material is usually ductile iron. In such cases, an amorphous film or coating can be applied to the inner wall of the cylinder. This special material helps form a hard-to-hard friction pair, improving wear resistance. However, if the inner wall is blindly ground without considering the material properties, it could alter the friction characteristics and reduce performance. For more information, visit: http://news.chinawj.com.cn
One of the main reasons a coal tar pump may not be properly lubricated is internal gear wear, which can lead to poor suction performance. Another common issue is the use of low-quality gear materials that are unsuitable for the intended application, causing premature failure. These problems often affect the overall efficiency and lifespan of the pump. The most critical component in this scenario is the bearing. If there's any play in the bearing, it can disrupt the normal clearance between the three friction pairs inside the ZYB-B adjustable pressure residual oil pump. This disruption also damages the hydrostatic support oil film, reducing the pump’s ability to maintain proper pressure. As a result, the service life of the bearing is significantly shortened. According to data from the ZYB-B adjustable slag pump manufacturer, the average bearing life is around 10,000 hours. Once this limit is exceeded, the bearing must be replaced to avoid further damage. First, replace the plunger rod and cylinder hole according to the standard replacement guidelines for adjustable slag oil pump components. When the tolerances of the parts are out of range, the following repair methods can be used: 1. Heat the cylinder or freeze the copper sleeve and then perform interference assembly. 2. Use Loctite adhesive for assembly, which requires grooves on the outer surface of the copper sleeve. 3. Tap the cylinder hole and process the outer diameter of the copper sleeve with threads. After applying Loctite rubber, screw it into place for assembly. Second, apply "surface engineering technology" to restore the worn areas. The methods include: 1. Electroplating: Apply a layer of hard chrome to the plunger surface. 2. Brush plating: Apply a wear-resistant material using a brush. 3. Thermal spraying, arc spraying, or electrospraying: Spray high-carbon martensite wear-resistant material. 4. Laser welding: Weld high-hardness wear-resistant alloy powder onto the plunger surface. Third, if the cylinder hole doesn’t have a copper sleeve, the material is usually ductile iron. In such cases, an amorphous film or coating can be applied to the inner wall of the cylinder. This special material helps form a hard-to-hard friction pair, improving wear resistance. However, if the inner wall is blindly ground without considering the material properties, it could alter the friction characteristics and reduce performance. For more information, visit: http://news.chinawj.com.cn
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