Steering column slip endurance test & rig development

Paper #:
  • 2018-01-0125

Published:
  • 2018-04-03
Abstract:
In the emerging commercial vehicle sector, it is very essential to give a product to customer, which is very reliable and less prone to the failures to make the product successful in the market. In order to make it possible, the product is to be validated to replicate the exact field conditions in which it is going to be operated. Lab testing plays a vital role in reproducing the field conditions which helps to reduce the lead time in overall product life cycle development process. This project deals with the design and fabrication of the steering column slip endurance test rig which is capable of generating wear on the steering column splines coating which predominantly leads to failure on steering wheel slip at the customer end. The data acquired from proving ground was analyzed and block cycles were generated with help of data analyzing tools. Those block cycles were run with the help of this rig which is made up of Variable Frequency Drive to change the velocity of steering column, and torque also applied same time on component to reproduce its condition in the field. This is eliminates the usage of servo hydraulic system with high frequency testing. As this rig is made for testing wear effect of steering column splines, this can be used as the slip table to create the effect of lateral velocity on components which a component can undergone in the field, that to increase the capability of the Lab with minimum resource utilization.
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