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首页> 外文期刊>International journal of productivity and quality management >Improvement of hole quality and process characteristics by adopting reduced quantity lubrication in drilling of stainless steel 304
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Improvement of hole quality and process characteristics by adopting reduced quantity lubrication in drilling of stainless steel 304

机译：通过在不锈钢304钻孔中采用减少润滑量来改善孔质量和工艺特性

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The objective of this study is to improve the performance of drilling process using reduced quantity lubrication (RQL), which is based on minimum quantity lubrication (MQL) and compare its performance with that under dry condition and flooded lubrication. The MQL technique is usually too expensive for small-scale industries to afford. RQL, which is based on MQL technique employs slightly higher flow rate compared to MQL and is relatively cheaper to afford than MQL. This work is performed to check the effectiveness of the RQL process for drilling stainless steel 304. A readymade sprayer setup which generates flow rate in the range of reduced quantity lubrication is employed and soluble oil is sprayed as a mist in combination with compressed air. Performance characteristics such as cutting force, tool wear, surface roughness, diameter, and roundness are analysed. The results produced by RQL drilling are comparable with wet lubrication and proved to be quite satisfactory than dry drilling. Employing RQL, the tooling cost is reduced three to four times compared to dry drilling whereas the lubricant cost is reduced to 0.125% of wet lubrication.
机译：这项研究的目的是使用基于最小量润滑（MQL）的减量润滑（RQL）来改善钻井过程的性能，并将其性能与干燥和充油润滑下的性能进行比较。 MQL技术通常对于小型企业来说太昂贵了。与MQL相比，基于MQL技术的RQL采用稍高的流速，并且比MQL便宜。进行这项工作是为了检查RQL工艺对不锈钢304钻孔的有效性。采用现成的喷雾器装置，其产生的润滑量在减少的润滑量范围内，并且将可溶性油以雾状喷入压缩空气中。分析了切削力，刀具磨损，表面粗糙度，直径和圆度等性能特征。通过RQL钻井获得的结果与湿润滑相当，并且被证明比干钻井令人满意。使用RQL，与干钻相比，模具成本降低了三到四倍，而润滑剂成本则降低到湿润滑的0.125％。

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