Оригинальное название: hole hammer drilling

  • 1.The selection of the pump is too large, and the flow and head are larger than the actual condition due to improper selection of the coefficient. This situation makes the pump in the operation process, cavitation phenomenon, resulting in premature damage of the pump flow parts under the combined action of cavitation and abrasion, in the case of serious cavitation, the pump will produce vibration and noise, and even lead to a sharp decline in the flow, head and efficiency of the pump can not run; In addition, the pump in the operation of large flow, will also cause motor overload, heat, serious will burn the motor.
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    Rubber slurry pumps have become indispensable in various industries, especially in mining, construction, and wastewater management. These pumps are designed to handle abrasive and corrosive materials, making them ideal for transporting slurries – mixtures of solids and liquids. The intricate process of manufacturing rubber slurry pumps involves advanced technology, skilled craftsmanship, and a deep understanding of materials. This article delves into the operations, benefits, and innovations within rubber slurry pump factories.


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    Les barres de forage, ou drill rods en anglais, jouent un rôle crucial dans l'industrie de l'exploration minière et pétrolière. Elles constituent un élément essentiel des équipements de forage, permettant de percer le sol et d'atteindre les profondeurs nécessaires pour explorer les ressources naturelles. Dans cet article, nous examinerons les différents types de barres de forage, leurs matériaux, ainsi que leur importance et leur application dans l'industrie.


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  • In the realm of machinery and equipment, the oil seal serves as a vital component, ensuring smooth operation and extending the life of the machine. This small yet indispensable part plays a crucial role in preventing oil leakage and maintaining the integrity of the lubrication system.
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  • The sealing process involves the interaction between the rotating shaft and the elastomeric material, resulting in a dynamic barrier that prevents fluid leakage and maintains system integrity.

  • ④ Dimensional numbers Shaft number 45: The seal suits the shaft diameter of ϕ45 mm. Housing bore number 70: The seal suits the housing bore diameter of ϕ70 mm. Width number 8: The seal width is 8 mm. ⑤ Special shape code

  • When it comes to replacing a valve cover gasket, it is essential to use a high-quality gasket that is specifically designed for your engine. Using an incorrect gasket can lead to further damage to your engine, making the repair process more expensive and time-consuming.
  • However, proper installation and maintenance of TC oil seals are crucial for their effective functioning
  • Figure 4: JTEKT oil seal features

  • Regular inspection and replacement of oil seals are also important for preventing leaks and maintaining the efficiency of high-pressure systems. Over time, the seals can wear out or become damaged, leading to oil leaks and potential system failures. By monitoring the condition of the seals and replacing them as needed, operators can prevent costly downtime and repairs.



  • Please see the following for the types of sealing devices for bearings.
    How to Select the Right Bearing (Part 7): Components surrounding the bearing

  • The valve cover gasket, often referred to as the VCG or head gasket, is a critical component in any internal combustion engine. For those with a 5.7-liter Hemi engine, choosing the right gasket is essential for maintaining optimal performance and preventing costly repairs. In this comprehensive guide, we'll delve into the importance of the valve cover gasket, its specifications, and how to identify if you need a replacement.
  • NBR & FKM
  • Prevent entry of dust and foreign matter (dirt, water, metal powder, etc.) from outside
  • In conclusion, round gaskets and rubber play a vital role in the functioning of many industrial processes. Their ability to create a tight seal under a variety of conditions makes them indispensable in industries ranging from automotive to aerospace. While they may go unnoticed, the contribution of these unsung heroes to the smooth operation of machinery is immense. As technology continues to advance, we can expect to see even more innovative uses for round gaskets and rubber in the years to come.
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  • Material Code ISO 1629

  • acrylonitrile (ACN) is increased, and the effect of anti-petroleum base oil and fuel oil is enhanced, but its 
  • WG1222658, WG1222672, WG1222727
    Update: Leakage-free
    Agricultural vehicles including Mercedes-Benz, Renault and MAN
  • An ignition spark plug is a crucial component in the internal combustion engine of a vehicle. It plays a key role in starting the engine and ensuring it runs smoothly. Without a functioning spark plug, the engine would not be able to ignite the air-fuel mixture, resulting in the vehicle being unable to start.


  • The Importance of High Pressure Oil Seals in Industrial Applications
  • In conclusion, the humble spark plug is a testament to the idea that great achievements can come from small beginnings. Its use in automotive engineering underscores the significance of precision, maintenance, and technological advancements in driving performance and environmental stewardship forward. As we continue to power into the future of transportation, understanding and utilizing the full potential of the spark plug will remain a fundamental aspect of automotive care and innovation.
  • As with butyronitrile rubber, the content of 
  • Moreover, these advanced spark plugs contribute to improved fuel economy
  • In conclusion, good spark plugs are a crucial component of your vehicle's performance. By selecting high-quality spark plugs and maintaining them properly, you can enjoy improved engine performance, increased fuel efficiency, and a longer lifespan for your vehicle. So, take the time to research and invest in the best spark plugs for your vehicle, and enjoy a smoother, more enjoyable ride on the road ahead.
  • In addition to regular inspections and maintenance, there are a few things you can do to help prolong the life of your front hub oil seal. Keeping your front hub clean and free from dirt and debris can help prevent premature wear on the seal. You should also make sure that your front hub is properly lubricated with the correct type of oil for your vehicle.
  • Pick the proper seal for your bearing with the NBC bearing.
  • The garter spring is located at the end of the primary sealing lip and used to apply pressure to the sealing lip against the shaft. Common garter spring material types are:

  • In addition to carbon buildup and oil leakage, black spark plugs can also be caused by overheating. If the engine is running too hot, it can cause the electrodes on the spark plugs to wear down and become coated in carbon deposits. This can lead to poor engine performance and reduced fuel efficiency. It is important to monitor the engine temperature and address any overheating issues promptly to prevent damage to the spark plugs.


  • HMS
  • Choosing an oil seal involves evaluating multiple factors, including design, application needs, shaft diameter, bore diameter, sealing material, and environmental considerations.
  • Silicone oil seals, which are also called VMQ, have strong resistance to temperature, which ranges from -140 degrees Fahrenheit to 392 degrees Fahrenheit. They are also resistant to ozone, light, and harsh weather conditions. Silicone is frequently used in hydraulics and pneumatics, as well as in the food and medical industries. Due to the material’s transparency and flexibility, it’s commonly chosen for the manufacturing of o-rings, molded parts, and flat seals, as well as electrical insulators.

  • Hydrogenated nitrile natural rubber (HNBR)