Bicycle axles can be divided into three types: square hole, spline, nail through type axle, and integrated type axle.The specifications of the bicycle axle include:1. Square headed central axis, commonly seen after removing the crankshaft, is a square column with a certain inclination angle.2. A spl Read More »

1、 Connection method1. Elastic sleeve connection methodThe elastic sleeve connection method is to connect the spindle and the motor through an elastic sleeve, which mainly relies on the elasticity of the elastic sleeve to ensure the reliability of the connection. This connection method has the advan Read More »

The spindle bearings that require pre tightening are generally angular contact ball bearings used as front bearings. Angular contact ball bearings are generally used in groups, and there are two ways to pre tighten them: 1. Add a spacer sleeve between the bearings, top the outer ring, and press the Read More »

On ultra high speed electric spindles, due to the increase in speed, there is a very high requirement for the dynamic balance of the components on the shaft. The positioning components of the bearings should not be connected to the main shaft through threaded connections, and the motor rotor should Read More »

How to distinguish between good and bad bearings?There are many ways to judge the quality of bearings, and the following are some common methods:1. Observing the appearance of bearings: Regular brand bearing products have very clear appearance lines and color blocks. For example, bearings from brand Read More »