What does the G2 accuracy grade mean for Nylon Hollow Balls?

The G2 accuracy grade is an international standard for sphere manufacturing, which is mainly used to evaluate the geometric accuracy and surface quality of the sphere. This grade indicates that Nylon Hollow Balls meet strict requirements in terms of sphericity, dimensional tolerance and surface finish. Specifically:

Sphericity: The sphericity of a sphere directly affects its performance in high-speed operation or high-precision sealing. The G2 grade ensures that the shape of Nylon Hollow Balls is close to a spherical shape with very small errors.
Dimensional tolerance: Nylon Hollow Balls are available in diameters ranging from Ø 8mm to Ø 25.40mm. The G2 grade ensures that the diameter error of each ball is controlled within a very small range, meeting the requirements of high-precision applications.
Surface Finish: The surface is smooth and has no middle parting line, which is a distinctive feature of Nylon Hollow Balls. The G2 grade further ensures the smoothness of the surface, reduces friction and wear, and increases service life.
Nylon Hollow Balls are widely used in a wide range of applications, such as oil seal valve balls, which require extremely high product precision and performance. Here’s how G2’s precision level affects Nylon Hollow Balls’ performance:

In applications such as oil-sealed valves, Nylon Hollow Balls need to work closely with other components to form an efficient sealing effect. The G2 grade ensures the geometric accuracy of the sphere and avoids sealing leakage problems caused by dimensional errors.
The smooth surface without parting lines combined with high-precision sphericity make the contact between Nylon Hollow Balls and other components more uniform during operation, thereby greatly reducing friction and wear and improving the stability and service life of the system.
Nylon materials (PA66, PA12) have good mechanical properties in themselves, and the G2 grade further ensures the structural integrity of the sphere during processing. This not only improves its impact resistance, but also ensures the stability of the sphere in high pressure and high temperature environments.
Due to the high precision of G2 grade, Nylon Hollow Balls can adapt to more complex and high-demand application scenarios, such as chemical equipment, fluid control devices and precision instruments, providing solutions for the diverse needs of the industrial field.
To achieve the G2 precision grade, the production process of Nylon Hollow Balls requires advanced process technology and strict quality control:

Mold design and manufacturing are the key to achieving high precision. Precision molds ensure that the size and surface quality of Nylon Hollow Balls meet the design requirements.
PA66 and PA12 nylon materials have wear resistance, corrosion resistance and mechanical strength, providing a reliable foundation for high-precision processing.
During the production process, each batch of Nylon Hollow Balls must undergo rigorous testing with high-precision testing equipment to ensure that its various parameters meet the G2 grade standard.
Nylon Hollow Balls adopt G2 precision grade, which not only reflects the high performance and high quality of the product, but also enhances its competitiveness in the market:

Meeting high-end market demands: G2-grade Nylon Hollow Balls can meet the precision application demands of high-end customers, providing strong support for enterprises to enter high value-added markets.
Improve customer satisfaction: The stable performance and long life brought by high precision significantly reduce customers' maintenance costs and improve the user experience.
Enhanced brand image: Producing products that meet G2 grade standards demonstrates a manufacturer’s leadership in technology and quality, helping companies stand out in a highly competitive market.