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Roughness Measurement On Large Parts – March Publication from Mahr

INTRODUCTION

Roughness measurements on large parts are mostly critical and difficult to realize. In most cases, extensive efforts are necessary. Optimized holders for roughness drive units make these measuring tasks easy and fast.
Large parts like engine blocks from emergency power generators, construction machines or ship engines, knuckles from trucks, or gears and bearings from wind wheels are very often too big and too heavy to measure them on a stationary roughness measuring station. Nevertheless, roughness parameters must be tested on these large parts too. Normally the roughness should be measured on these parts with mobile roughness measurement systems like MarSurf M300: The measuring system is therefore moved to the large parts. The portable roughness system or drive unit with internal roughness stylus is be positioned by hand on the tested measuring position.

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