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Metallographic Grinding and Polishing Machine Manufacturer: Guiding You Through the Operation of Metallographic Grinding and Polishing Machines
Release Date:
2021-04-21
Metallographic Grinding and Polishing Machine Overview of the Mechanical Structure: The polishing machine consists of a base, basic components such as the polishing cloth, a polishing cover, and a protective cover. The Shuanglin industrial motor is mounted on the base, and the polishing cone is connected to the motor shaft via a screw-fastened fixture. The polishing sleeve is secured to the cloth and performs the polishing operation. By activating the power switch for the motor on the base, pressure can be applied to the test specimen, allowing manual polishing on the rotating polishing pad. During operation, the polishing slurry can be contained in a plastic reservoir at the bottom, which drains into a collection tray positioned beside the square platform of the disc grinder. A polishing machine cover and a protective cover are provided to prevent dust and other contaminants from affecting the polishing performance. When the machine is shut down, the polishing cloth does not need to be used.
At the same time Metallographic Grinding and Polishing Machine The polishing-induced damage layer should not interfere with the final microstructural observation; in other words, it should not give rise to artificial microstructures. In the former case, coarser abrasives must be used to achieve a higher polishing rate and thereby remove the damage layer, although this also results in a deeper damage layer. In the latter case, the highest-quality materials are required, leading to a shallower damage layer but at the expense of a lower polishing rate. The optimal solution to this trade-off is to divide the polishing process into two stages: rough polishing, whose primary objective is to eliminate the polishing-induced damage layer, should be carried out at the highest possible polishing rate while minimizing surface damage caused by the roughing operation; and fine polishing (or final polishing), which aims to remove any residual surface damage from the rough polishing stage and to minimize polishing-induced damage to the greatest extent.
Metallographic Grinding and Polishing Machine The core principle of the operation is to achieve the highest possible polishing rate, so that a single polishing pass can be performed during the machining process to rapidly eliminate damage. Moreover, the polished layer will not affect the damaged microstructure as revealed in the final inspection, nor will it lead to misinterpretation of the microstructure.
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