In outdoor operations, electric hammers often need to face complex working environments and climatic conditions. Especially in rainy seasons or areas with high humidity, electric hammers are easily attacked by rain. Rainwater may not only wet the electric hammer directly, but also enter the inside of the electric hammer through moisture in the ground or air. Once rain or moisture enters the inside of the electric hammer, it will cause serious damage to its internal structure.
The electric hammer contains a complex circuit system to control the start, stop and speed adjustment of the motor. Once rain or moisture comes into contact with the circuit system, it will cause a short circuit in the circuit. In severe cases, it may burn the motor or control circuit, making the electric hammer unable to work properly.
The electric hammer contains many metal parts, such as transmission gears, bearings, etc. These parts are prone to rust in a humid environment, resulting in increased wear and lubrication failure, which in turn affects the performance and life of the electric hammer.
The transmission system and bearings of the electric hammer need good lubrication to ensure normal operation. When rain or moisture enters the inside of the electric hammer, it will dilute or contaminate the lubricant, causing the lubrication system to fail and accelerating the wear of components.
How to effectively prevent the intrusion of liquids such as rain and moisture has become a key issue to ensure the stable operation of the electric hammer in a humid environment.
As an isolation barrier between the inside of the electric hammer and the external environment, the waterproof performance of the rubber sealing ring is crucial to protecting the internal structure of the electric hammer. With its unique material and structural design, the 25 cylinder diameter heavy electric hammer parts rubber seal ring provides a solid waterproof barrier for the electric hammer.
Material selection and processing
The material of the rubber sealing ring has been specially treated to have excellent waterproof and corrosion resistance. Common rubber materials include nitrile rubber (NBR), ethylene propylene diene monomer rubber (EPDM) and fluororubber (FKM). These materials not only have good elasticity, but also maintain stable sealing performance in a humid environment.
Nitrile rubber (NBR): has excellent oil resistance, water resistance and wear resistance, and is suitable for waterproof sealing in general humid environments.
EPDM: has excellent weather resistance and aging resistance, and can maintain a stable sealing effect under extreme climatic conditions.
Fluororubber (FKM): It has extremely high chemical corrosion resistance and high temperature resistance, and is suitable for waterproof sealing in special environments.
Structural design and installation
The structural design of the rubber seal is also a key factor in ensuring its waterproof performance. The seal is usually designed in O-type, V-type or U-type shapes to meet different installation requirements. During the installation process, the seal needs to fit tightly between the housing and the moving parts of the electric hammer to form an impenetrable waterproof barrier.
O-type seal: It is suitable for static or low-speed dynamic sealing. Through its good elasticity and sealing performance, it can effectively prevent liquid leakage.
V-type or U-type seal: It is suitable for high-speed dynamic sealing. Through its special structural design, it can maintain a stable sealing effect at high speed.
Sealing performance testing and verification
In order to ensure the waterproof performance of the rubber seal, manufacturers usually conduct strict sealing performance testing and verification. These tests include pressure testing, immersion testing and weather resistance testing to evaluate the sealing effect and durability of the seal under different conditions.
Pressure test: Test the sealing performance and pressure bearing capacity of the seal by simulating the working pressure inside the electric hammer.
Soaking test: Soak the seal in water for a certain period of time to observe whether it leaks to evaluate its waterproof performance.
Weather resistance test: Expose the seal to extreme weather conditions for a certain period of time to observe whether it ages, cracks, etc. to evaluate its weather resistance and durability.
In the 25-cylinder heavy-duty electric hammer, rubber seals are widely used in various key parts to ensure the stable operation of the electric hammer in a humid environment.
The motor is the core component of the electric hammer, and its end cover needs to be well sealed to prevent rain or moisture from entering the motor. The rubber seal is installed between the motor end cover and the housing to form a solid waterproof barrier.
The transmission system of the electric hammer contains many precision gears and bearings, which require good lubrication and sealing to ensure normal operation. Rubber seals are installed at various interfaces of the transmission system to prevent lubricant leakage and rainwater intrusion.
The switch and cable interface of the electric hammer are potential channels for rain or moisture to enter the inside of the electric hammer. The rubber seal is installed at the switch button and cable interface to form a tight waterproof barrier to ensure the safety of the circuit system.
For rechargeable electric hammers, the sealing performance of the battery compartment is equally important. The rubber seal is installed between the battery compartment cover and the shell to prevent rain or moisture from entering the battery compartment, ensuring the safety and performance of the battery.
Although the rubber seal has excellent waterproof performance, it may still lose its sealing effect due to wear, aging or damage during long-term use. Therefore, regular inspection and maintenance of the rubber seal to ensure that it is in good working condition is the key to extending the life of the electric hammer and improving work efficiency.
During use, the rubber seal should be checked regularly to observe whether it has wear, aging or damage. Once a problem is found with the seal, it should be replaced in time to avoid damage to the internal parts of the electric hammer due to failure of the seal.
The rubber seal may accumulate dust, grease and other dirt during use, affecting its sealing effect. Therefore, the seal should be cleaned and lubricated regularly to maintain its good sealing performance.
When replacing the rubber seal, ensure that the new seal fits tightly between the shell and the moving parts of the electric hammer to avoid leakage caused by improper installation. At the same time, care should be taken to select a sealing ring with the same material and specifications as the original sealing ring to ensure its waterproof performance.
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