The accuracy grade of ball screw is usually divided according to its running accuracy of one revolution and stroke variation within any 300mm stroke. Generally speaking, the accuracy grade of ball screw is divided into seven grades, namely C0, C1, C2, C3, C5, C7 and C10, of which C0 has the highest accuracy and C10 has the lowest accuracy.
Specifically, the running accuracy of the C0-class ball screw in one revolution is 5 μm, and the stroke variation in any 300mm stroke is 15 μm, which is the highest accuracy level.
The running accuracy of C1-class ball screw in one revolution is 10 μm, and the stroke variation in any 300mm stroke is 30 μm, which is the second highest level.
The running accuracy of C2-class ball screw in one revolution is 15 μm, and the stroke variation in any 300mm stroke is 50 μm, which is the third accuracy level.
The running accuracy of C3-class ball screw in one revolution is 30 μm, and the stroke variation in any 300mm stroke is 100 μm, which is the fourth accuracy level.
In the application of ball screws, ball screws with different accuracy are used in different mechanical equipment and manufacturing processes. For example, ball screws with accuracy of C7 and C10 are commonly used in general mechanical manufacturing, while ball screws with accuracy of C5 and C3 are usually used in numerical control equipment, while ball screws with accuracy of C2 are used in aviation manufacturing equipment and precision projection equipment.
It should be noted that the precision grades of ball screws produced by different manufacturers may not be exactly the same, so the specific selection needs to be made according to the actual demand and the product characteristics of manufacturers. At the same time, the manufacturing methods of ball screws are different due to different precision grades. For example, ball screws with C7 and C10 precision are generally manufactured by rolling method, while ball screws with C5 and above precision are manufactured by grinding method. Therefore, when buying ball screws, you need to choose the appropriate precision grade and manufacturing method according to the actual needs. You can contact us if you have other questions or purchase requirements.
Whatsapp/wechat:17769815516
Email:admin@gyballscrew.com
gykristyliu@gmail.com
