Improvement of surface finish at bore and face of cylindrical bush through innovative fixtures using abrasive flow finishing

M. A. Manjunath, M. Girish Kumar, Prakash Vinod — Fri, 01 Nov 2024 00:00:00 +0000

In many manufacturing processes, it is crucial to improve surface finish, especially when producing components with tight tolerances and high aesthetic quality, for specific functional performance. Manual assisted polishing methods are limited in their ability to achieve accuracy, reputability, and reach inaccessible areas of a complex part. An effective finishing method can be standardized through the automation process for improving surface roughness. Irrespective of complex geometries surface finish is achievable through abrasive flow finishing (AFF). The current work experimentally investigates on improving the surface roughness of the cylindrical bush at the location of bore and face through AFF. The cast iron materials of bush elements are finished at the required surfaces using innovative AFFM fixture design. The simultaneous finishing of multiple numbers of dies are evaluated by considering various process parameters of the abrasive flow finishing process. The comparative study of surface roughness before and after the abrasive flow finishing has been analyzed.

Optimization of machining parameters for enhanced chromium plated EN19 steel

Fri, 01 Nov 2024 00:00:00 +0000

Chrome plating is vital in enhancing metal components' performance, appearance, and durability across various industries, including automotive, aerospace, machinery, and manufacturing. This study investigates the optimization of machining parameters for chromium-plated EN19 steel. Face milling operations were conducted on steel specimens, with systematically varied cutting parameters (speed, feed, depth of cut) and soluble oil used while machining to ensure proper lubrication and cooling. The aim is to address machining issues without compromising the chrome plating surface. Additionally, tool tip temperature was measured during machining to monitor and manage thermal effects that could influence tool wear and workpiece quality. Using Taguchi and ANOVA methods, the effects of cutting parameters on the specimen were analysed to ensure enhanced tool life and reduced cutting forces while maintaining the same wear resistance and corrosion resistance. Finally, surface roughness was determined to assess the finish quality of the machined surface.

Manufacturing Technology Today

Improvement of surface finish at bore and face of cylindrical bush through innovative fixtures using abrasive flow finishing

Optimization of machining parameters for enhanced chromium plated EN19 steel