Nitrogen gas springs are widely used in the industrial field, especially in the mold industry, where they provide elasticity, stability and efficiency for mold design and manufacturing. However, even though nitrogen gas springs are not easy to rust, they may still have stains on their surface, which need to be cleaned and maintained. So, what are the cleaning methods for stamping nitrogen gas springs for dies? This article will introduce you to the following aspects.
Table of contents
Overview of Cleaning Methods
The general cleaning method for nitrogen gas springs is to use specific cleaning agents or solutions to remove stains and contaminants, and keep the nitrogen gas springs’ appearance and performance. Different types of stains may require different cleaning agents or solutions, which will be explained in detail later.
Cleaning Steps and Precautions
Depending on the type and degree of stain, there are different cleaning methods and steps for nitrogen gas springs. Here are some examples:
- For labels, stickers and dust, use warm water and mild detergent to scrub; for easy-to-remove dirt, use soap, mild detergent or warm water to wash; for adhesive components, use alcohol or organic solvent.
- For rust caused by surface contaminants, use nitric acid (10%) or abrasive detergent to wash. Avoid using cleaning liquids containing abrasives, steel wool, grinding tools, etc., as they may scratch the surface of the nitrogen gas springs. To remove the cleaning liquid, rinse the surface with clean water after washing.
- For heat discoloration caused by welding, use 10% nitric acid or hydrofluoric acid solution to wash, then neutralize with ammonia or sodium bicarbonate solution, and then wash with water. You can also use special cleaning agents for stainless steel springs.
- For organic carbon compounds attached, soak in hot neutral detergent or ammonia solution, then wash with mild abrasive detergent.
- For grease, oil and lubricant contamination, wipe dry with a soft cloth or paper, then wash with neutral detergent or ammonia solution or special cleaning agent.
- For fingerprints, bleach and various acids attached, rinse immediately with water, soak in ammonia or neutral sodium bicarbonate solution, then wash with neutral detergent or warm water.
Cleaning Benefits and Precautions
The correct cleaning method can extend the service life of nitrogen gas springs, and maintain their performance and appearance. It is important to avoid using cleaning liquids containing abrasives, as they may scratch the surface of the nitrogen gas springs. Also, pay attention to the following precautions when cleaning:
- Do not clean under load conditions, as it may damage or explode the nitrogen gas springs.
- Do not use strong acids or alkalis to clean the nitrogen gas springs, as they may corrode the metal parts.
- Do not expose the nitrogen gas springs to high temperature or direct sunlight after cleaning, as they may cause deformation or discoloration.
- Do not use compressed air to dry the nitrogen gas springs after cleaning, as it may cause moisture or dust to enter the cylinder.
