NSK Bearing Ring Forming Processing Methods and Things to Note
Source: China Bearing Network | Date: March 29, 2014
Despite the variety of NSK bearing types, their layout, service level, data selection, and processing methods may differ. However, the basic manufacturing process typically includes the following steps: 1. **Part Manufacturing**: This involves the production of individual components, followed by inspection, demagnetization, cleaning, and rust prevention. After that, the parts are assembled into bearings, inspected again, and then undergo demagnetization, clearance adjustment, and oil packaging. 2. **Bearing Ring Production**: The bearing ring is a critical component in NSK bearings. Due to the different types of NSK bearings, the design, layout, equipment used, and techniques can vary significantly. The process for making bearing rings is more complex, requiring high precision. Therefore, the quality of NSK bearing rings directly affects the service life and performance of the final product. When it comes to demagnetizing NSK bearing products, it's important to ensure that the demagnetization amplitude is as strong as possible and that the amplitude decreases slowly. Here are some key points to consider: 1. **Avoid Piling Products During Demagnetization**: If the products are stacked together, the outer ones may interfere with the inner ones, causing a reduction in the demagnetization effect on the central products. 2. **Align the Product Axis with the Magnetic Field**: Since the bearing product behaves like an annular conductor, if its axis is parallel to the magnetic field lines, it effectively acts as a short-circuit ring within the demagnetizer. This creates a magnetic field that opposes the demagnetizing field, reducing the overall demagnetization efficiency. 3. **Slow Exit from the Demagnetizer**: The demagnetization process occurs as the product exits the demagnetizer. If it moves too quickly, the magnetic field will decay too fast, leading to insufficient demagnetization.
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