Multi-Cycle Measuring and Data Fusion for Large End Face Run-Out of Tapered Roller

The large end face run-out is a kind of shape and position tolerance, and is an important index in deciding the class of the tapered roller. The auto-measuring and sorting equipments for the tapered roller introduced in this article is an intelligent measuring equipment that orientates in pursuing measurement and choosing of every tapered roller on grinding spot. According to professional standard about the tapered roller, the large end face run-out (notated as S_DW) must be measured dynamically during revolving on normal V-shape table. In order to eliminate the disturbance caused by electromagnetism interference and machine vibration, this equipment adopts multi-cycle measuring under single sensor, making better use of the regeneration of the sampling signal and based on analysis of the main factors leading to the large end face run-out and signal characteristics. On the other hand, two kinds of signal-characteristics-based data association threshold filtering algorithm and an improved weight arithmetic mean data fusion algorithm are applied on data processing software embedded in it. This equipment has been proved by practical application and has obtained a Chinese patent.