OTRA successfully supplied Walther Trowal surface finishing machine to a leading aerospace company in Korea. Founded in 1931 Walther Trowal has customers in areas like surface annealing, mass finishing, small parts coating, blasting, process water, automation and networking, work piece cleaning and drying. Walther Trowal provides products, services, testing and individual planning for customer processes.
Founded in 1920, Haefeli manufactured sintered diamond and CBN grinding tools in Zurich since 1949. Haefeli tools is well known for their focus on precision. In particular the original Haefeli grinding pencils, with sintered versions as small as 0.18 mm in diameter is unmatched in the industry. Haefeli’s product range Diamond and CBN
The Magnetfinish(MF) technology is a new mechanical process for technical surfaces. The magnetic powder works during the process as an elastic tool. Surfaces will be smoothed till a roughness of Ra = 0,02 micrometers. – Workpiece is positioned in a magnetic field created by magnetic disc – The gap between workpiece and disc is filled
Issue: When producing ASME BPE, Semiconductor or Japanese standard fittings the elbows must be polished to remove all marks and imperfections. When bending the tube there are always ‘orange peel’ marks and marks from calibrating the elbow (making it round). Practice Today: Today, it is polished manually or polishing using mechanical polishing machine. For manual