What Should Be Considered When Changing the Gas of Nitrogen Gas Springs for Dies?
Introduction
Nitrogen gas springs are innovative elastic components that utilize high-pressure nitrogen gas as their working medium. These springs are known for their compact size, high elasticity, long stroke length, stable operation, precision manufacturing, and extended lifespan of up to one million cycles. They offer advantages such as a gradual force curve and the absence of preload requirements. Nitrogen gas springs excel at tasks that conventional elastic components like metal springs, rubber, and air cushions find challenging. They simplify mold design and manufacturing, facilitate mold installation and adjustments, prolong mold lifespan, and ensure consistent product quality. However, it’s essential to note that after a period of use, nitrogen gas springs may require a gas change. Let’s explore the key considerations when replacing the gas in nitrogen gas springs.
Table of contents
Considerations When Changing Gas
When changing the gas within nitrogen gas springs, the following factors must be taken into account:
- Do Not Inflate or Deflate Under Load: It’s crucial to avoid inflating or deflating nitrogen gas springs while under load to prevent potential hazards.
- Use Only Pure Nitrogen Gas: When refilling, ensure that you use only pure nitrogen gas. Avoid using flammable, explosive gases, or volatile liquids to prevent the risk of accidents.
- Follow Pressure Markings: Follow the pressure indications marked on the springs when inflating and ensure a gradual pressure increase.
- Comply with Pressure Range: Adhere to the pressure range specified in the user manual while inflating. The recommended inflation pressure range is typically 4 MPa to 15 MPa (at 20°C).
Inflation Steps and Precautions
When inflating nitrogen gas springs, observe the following steps and precautions:
- Inflate with Exposed Piston Rod: Always inflate the springs with the piston rod fully exposed.
- Avoid Rapid High-Pressure Inflation: Do not use high-pressure gas for rapid inflation, as it could lead to damage and safety hazards.
Deflation Precautions
When releasing gas, ensure the following precautions:
- Make sure to completely discharge the nitrogen gas from the spring’s interior before disposal.
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