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The main effect of quenching on CNC lathe components
From:Taian Haishu Machinery Co.,Ltd. Updatetime:2024-6-3 16:31:03 Views:
Many components in CNC lathes require quenching treatment. The main purpose of this treatment is to reduce stress concentration, increase the hardness and tensile strength

Many components in CNC lathes require quenching treatment. The main purpose of this treatment is to reduce stress concentration, increase the hardness and tensile strength of the components, and make them harder and more resilient. Today, our CNC lathe manufacturer will explain the main role of quenching in CNC lathe components.

Quenching can improve the mechanical properties, hardness, and tensile strength of materials for ordinary lathe parts. After the quality parts are ignited, they are tempered to obtain the required hardness and structure, while the quality parts are aged to improve hardness. Due to the significant deformation after quenching, which affects the size and shape obtained by ordinary lathes, the quenching process generally cannot be placed in the final process. Quenching is divided into overall quenching and surface quenching, with large deformation caused by overall quenching, and one ship is placed before precision machining. The surface deformation is small due to the small oxidation and decarburization of ordinary lathes, which are more commonly used. Ordinary lathes often require quenching and normalizing treatment before precision machining. If there are subsequent ultra precision or light spot machining, sometimes it is also arranged after precision machining, such as grinding teeth and before grinding processes.

Low carbon Li and low-carbon alloy key parts can be improved by carburizing and throwing fire to improve their surface hardness, and their hardness can reach within the range of the thickness of the carburized layer on the surface of the parts. Considering that the grinding residue after quenching on ordinary lathes cannot be too large, the surface of ordinary lathes before carburization generally needs to be semi precision machined or even ground thoroughly to reduce the grinding residue after quenching. The CK6150 ordinary lathe undergoes precision machining and grinding after carburizing and smashing. Protect surfaces that do not allow carburization. The commonly used protection methods for ordinary lathes include: firstly, increasing the residual amount on the non carburized surface by six times the depth of the carburized layer, removing the residual basin after carburization, and then quenching and annealing. Secondly, pre coating the non carburized surface with copper to prevent carbon molecules from infiltrating. After carburization, the copper removal process is carried out. For some holes (especially small holes) that do not require carburization, refractory mud, ordinary lathe clay, etc. can also be used to block them to prevent carbon infiltration. When selecting parts made of materials such as chromium and coarse aluminum, surface nitriding treatment is often used when the working surface requires simple hardness and high grinding resistance. The surface hardness after nitriding is often greater than that of the workpiece, and the deformation is small. Therefore, the scratching process can be arranged after semi precision machining, and only grinding or super polishing can be carried out after nitriding.

The above is the main role of quenching on CNC lathe components explained by CNC lathe manufacturers. We hope that the above explanation can be helpful for everyone in using CNC lathes in the

future.

 

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