[Objective] In order to improve the collision performance of the end elbow of the shoe-rail system and enhance the current collection quality. it is necessary to carry out the optimization research on the third-rail end elbow based on NURBS (Non-Uniform Rational B-Spline). [Method] Taking the end elbow of a certain metro line in Wuhan as example. an optimization design for the end elb... https://www.reesfrashers.shop/product-category/eyewear-accessories/