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轧辊的工作条件相当苛刻,轧钢生产中对轧辊的质量要求非常严格。生产厂和使用厂都要对轧辊的冶金质量进行全面检测和考核。由于大型轧辊大多是单根生产的,不可能以解剖检测一根轧辊来代表所有轧辊的生产状况。因此主要依靠生产和使用过程中非破坏性的在辊检测来进行的。我们在武钢φ160×1700mm冷轧工作辊的研究和检测过程中,取得检测的经验。这不仅适用于轧辊,也适用于其它大型工件的检测。一、金相检测轧辊表面的金相组织对轧辊的耐磨性、抗疲劳破坏和抗事故性能有很大影响。 1.试样的制备在大型轧辊上制备金相样品,有其一定的困难。不易磨平、清洗干净。我们采用钢锉包着粗砂纸或用SIMT-100型角向磨光
Roller working conditions are quite demanding, the quality of the roll in the production of steel is very strict. Production plant and the use of the plant to the metallurgical quality of the roll for a comprehensive test and assessment. Since large rolls are mostly produced in single pieces, it is not possible to anatomically inspect one roll to represent all roll production conditions. Therefore, mainly rely on the production and use of the non-destructive roller inspection carried out. We WISCO φ160 × 1700mm cold-rolled work roll research and testing process, to obtain the test experience. This applies not only to rolls but also to the inspection of other large workpieces. First, the metallographic examination Roll surface of the microstructure of the roll wear resistance, fatigue damage and accident performance has a significant impact. 1. Preparation of samples Metallographic samples are prepared on large rolls with some difficulties. Not easy to clean, clean. We use a steel file wrapped in grit paper or angle polished with SIMT-100