valve grinding patents

valve grinding patents

Abstract. Agrinding apparatusforgrindingthe interior portion of avalvestem receiving area of avalve. The apparatus comprises a faceplate, a plurality of cams mounted to an interior face of the faceplate, a locking bolt to lock the faceplate at a predetermined position on thevalve, a movablegrinderand a guide tube for positioning an optical viewer proximate the area to be grinded

Latest News

latest news

Copyright © 2021.Henan Expert Mining Machinery Co., ltd. All rights reserved.Sitemap