How stable is the self-locking tuning screw of 5G filter in different environments?

The stability of the self-locking tuning screw of 5G filter in different environments is as follows:

hot environment

Material characteristics: The commonly used metal materials may expand at high temperature. Generally speaking, the self-locking tuning screws will be made of metal materials with small thermal expansion coefficient, such as specific copper alloy, so as to reduce the screw size change caused by thermal expansion, ensure the matching accuracy between the screws and the filter cavity and maintain a stable tuning state.

Self-locking performance: The special structure or locking mode adopted by some self-locking tuning screws is less affected by temperature, such as the self-locking tuning screws with staggered thread structure, the self-locking force generated by staggered teeth can still be maintained in high temperature environment, and will not be obviously weakened due to high temperature, thus preventing the screws from loosening.

Low temperature environment

Material characteristics: some metal materials may become brittle at low temperature, which will affect the mechanical properties of the screw. However, the high-quality self-locking tuning screw will choose the appropriate metal materials and heat treatment process to enhance its toughness at low temperature, ensure that it will not be brittle and crack due to low temperature, and ensure the normal tuning of the filter.

Self-locking performance: In the low temperature environment, the elasticity of the elastic components of the self-locking tuning screw, such as spring washer, may be reduced, but the self-locking tuning screw with special design, such as the structure that generates self-locking force by thread deformation, is relatively less affected by low temperature, and can still maintain good self-locking performance, making the tuning state of the filter stable.

Humid environment

Corrosion protection: Wet environment can easily lead to rust and corrosion of metal screws, affecting their performance and service life. The self-locking tuning screw of 5G filter is usually treated with surface treatment, such as nickel plating and zinc plating. These surface treatment layers can effectively isolate air and moisture, prevent the screw from being corroded, and maintain the structural integrity and tuning stability of the screw.

Insulation performance: If there is moisture or electrolyte produced by corrosion on the screw surface, it may affect its insulation performance, and then affect the electrical performance of the filter. The self-locking tuning screw with good surface treatment can not only prevent corrosion, but also maintain good insulation performance, ensuring that the performance of the filter is not affected in humid environment.

Vibration environment

Anti-loosening ability: this is the advantage of self-locking tuning screw, and its unique self-locking structure can play an excellent anti-loosening ability in vibration environment. For example, in the patent applied by Maite Communication, a clamping set is added between the tuning cover plate and the tuning screw, and the locking force is provided by the cooperation of the outer nut and the clamping set, so that the clamping set can tightly hold the tuning screw, and the screw can be effectively prevented from loosening in the vibration environment.

Maintenance of tuning accuracy: Because the self-locking tuning screw can keep tight in vibration environment, there will be no position change caused by looseness, so it can well maintain the tuning accuracy of the filter, ensure that the filter can still work normally in vibration environment and maintain stable signal transmission.