JIANGSU GUBIAO STAINLESS STEEL PRODUCTS CO.. LTD

JIANGSU GUBIAO STAINLESS STEEL PRODUCTS CO.. LTD

What are the maintenance and care methods for stainless steel live screws?

2025 03/24

The maintenance and care of stainless steel live screws is essential to maintain their performance and extend their service life. Here are some specific methods:
Daily inspection
Appearance inspection: Regularly check whether there are signs of wear, scratches, deformation or corrosion on the surface of the bolts, especially pay attention to the live parts and threads, and promptly detect possible damage.
Connection tightness inspection: Check whether the connection between the nut and the screw is loose. You can gently turn the nut or use professional tools to check the torque to ensure that the connection is firm. For bolts in equipment or environments with large vibrations, the inspection frequency should be appropriately increased.
Joint flexibility inspection: Manually operate the live joint to check whether its swing or rotation is smooth, whether there are any abnormal conditions such as jamming and abnormal noise, and ensure that the live joint can move freely within the specified range. Cleaning treatment
Surface cleaning: Regularly wipe the surface of the bolt with a clean soft cloth to remove dust, oil, rust and other debris to keep the surface clean. For some dirt that is difficult to wipe off, you can use a mild detergent, but avoid using detergents containing strong acids, strong alkalis or chlorine to avoid corroding the bolt threads. Cleaning: Use a brush or a special thread cleaning tool to clean the impurities in the thread gap to prevent the accumulation of debris from affecting the thread matching accuracy and tightening effect. Cleaning of the joints: For the gaps and movable joints inside the joints, you can use compressed air or a special gap cleaning tool to clean them to remove foreign matter such as dust and sand that may enter, and ensure that the joints are not hindered. Lubrication and maintenance
Choose a suitable lubricant: According to the use environment and requirements of stainless steel joint screws, choose a suitable lubricant, such as lithium-based grease, molybdenum disulfide lubricant, etc. In special environments such as high temperature, high humidity or chemical corrosion, lubricants with corresponding protective properties must be used. Lubrication method: Apply the lubricant evenly to the threads and joints. For the threads, the lubricant can be applied to the screw threads before the nut is screwed in; for the joints, the lubricant can be injected into the movable parts of the joints by dripping or applying to ensure that each movable joint can be fully lubricated. Lubrication cycle: Determine the appropriate lubrication cycle based on the frequency of use of the bolts and the working environment. Generally, lubrication maintenance is performed every 3-6 months under normal working conditions. In harsh environments or high-frequency use, the lubrication cycle should be appropriately shortened. Protective measures
Rust prevention: For stainless steel live bolts that are exposed to the outdoors or corrosive environments for a long time, additional rust prevention measures can be taken, such as applying anti-rust paint, galvanizing, etc. Before applying anti-rust paint, ensure that the surface of the bolt is clean and dry. Avoid mechanical damage; during equipment operation and maintenance, pay attention to avoid mechanical damage such as collision and scratching of the bolts to prevent damage to the surface protection and affect the corrosion resistance and mechanical properties of the bolts. Temperature and humidity control: In the environment where the bolts are stored and used, try to control the temperature and humidity. Avoid bolts in high temperature, high humidity or large temperature difference environment, prevent rusting of bolts due to condensation and other problems, and replace them regularly.
Determine the replacement cycle: According to the frequency of use, working environment and importance of stainless steel live screws, formulate a reasonable replacement cycle. For bolts used in key equipment or important parts, it is recommended to conduct a comprehensive inspection and evaluation every year, and determine whether they need to be replaced based on the inspection results. Generally speaking, replace damaged bolts in time: When stainless steel live screws are found to be severely corroded, deformed, threaded or the live joint cannot move normally, they should be replaced with new bolts immediately to ensure the reliability of the connection and the safe operation of the equipment.