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Improvement in the grinding process using the MQL technique with cooled wheel cleaning jet
Tribology International ( IF 6.2 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.triboint.2020.106512
Rafael Liberatti Javaroni , José Claudio Lopes , Anselmo Eduardo Diniz , Mateus Vinicius Garcia , Fernando Sabino Fonteque Ribeiro , André Bueno Tavares , Anthony Gaspar Talon , Luiz Eduardo de Angelo Sanchez , Hamilton José de Mello , Paulo Roberto Aguiar , Eduardo Carlos Bianchi

Abstract In grinding, the viability of the minimum quantity lubrication (MQL) technique is still limited, due to the frequent occurrence of overheating and wheel clogging. Thus, MQL improvement is essential to allow its extensive application in grinding processes. This work evaluates a cooled wheel cleaning jet (CWCJ) under different temperatures, applied simultaneously to the MQL in grinding of AISI 4340 hardened steel. Tests with the conventional, MQL, and MQL + WCJ methods were also performed for comparison. The assessed output parameters were workpiece surface roughness, microhardness and roundness deviation, diametrical wheel wear, and grinding power. The machined surfaces and the chips were evaluated through scanning electron microscopy. The application of the CWCJ enhanced the performance of the MQL technique.

中文翻译:

使用带冷却砂轮清洁射流的 MQL 技术改进磨削工艺

摘要 在磨削中,由于频繁发生过热和砂轮堵塞,微量润滑(MQL)技术的可行性仍然有限。因此,MQL 的改进对于允许其在磨削过程中的广泛应用至关重要。这项工作评估了在不同温度下的冷却轮清洁射流 (CWCJ),该射流同时应用于 AISI 4340 硬化钢磨削中的 MQL。还使用传统、MQL 和 MQL + WCJ 方法进行测试以进行比较。评估的输出参数是工件表面粗糙度、显微硬度和圆度偏差、直径砂轮磨损和磨削功率。通过扫描电子显微镜评估加工表面和芯片。CWCJ 的应用增强了 MQL 技术的性能。
更新日期:2020-12-01
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