Repair Method for Closing the Shaft Hole
Source: China Bearing Network | Time: July 16, 2013
When dealing with a worn shaft hole, it's essential to follow a proper repair method to ensure the bearing functions correctly and lasts longer. Here is a step-by-step guide on how to effectively close the shaft hole. First, measure the depth of wear in the shaft hole. If the wear is less than 4 mm in diameter (or 2 mm in radius), use a power tool to lightly sand the area that needs repair. Be careful not to over-polish the outer surface; a slightly rough texture is actually preferable as it helps the repair agent adhere better. Next, use Keisin 1755 to clean the outer surface of the bearing hole. This ensures that any dirt or old residue is removed, providing a clean surface for the next steps. Apply a thin layer of Kesaixin 1731 release agent on the outer ring of the bearing. This makes future disassembly easier without damaging the bearing or the shaft. Prepare the 2311 antifriction repair agent according to the manufacturer’s instructions. Once ready, apply the repair agent directly onto the outer ring of the bearing—but only on the rear half. The amount should be enough to fill the gap completely without causing any excess glue between the bearing and the shaft hole. Carefully push the bearing, which has been coated with the repair agent, into the shaft hole. As you do this, wipe off any excess repair agent that comes out. Make sure that the area being repaired is fully covered and no part is left dry. Once the bearing is in place, position it accurately. One simple way is to install the shaft along with the bearing and then allow the repair agent to cure in that position. If more precision is needed, you can use a three-point gasket method or create a custom fixture for positioning. After the repair agent has fully cured, the bearing can be put back into service. This process ensures a strong bond and long-lasting performance. This repair method is ideal for maintaining the integrity of bearings in various industrial applications. It saves time and money by avoiding the need for full replacement. If you found this information helpful, feel free to share it with your colleagues or friends who might benefit from it. For more related content, check out our other articles on bearing maintenance and repair techniques.
Recommended Articles: - Industrial INA Self-Aligning Ball Bearings: Protection Strategy - Dealing with Damage Caused by Counterfeit Bearings - Motor Grader Transmission Input Bearing Repair - Tips for Selecting Low-Noise Bearings This article was originally published at http://www.chinabearing.net Please cite the source: China Bearing Network – http://www.chinabearing.net Previous: Seven Common Mistakes in Using Grease for Bearing Repairs
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