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An investigation into the effects of wheel-cleaning parameters on the creep-feed grinding process.

机译:研究砂轮清洁参数对蠕动进给磨削过程的影响。

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摘要

This thesis investigates different wheel-cleaning parameters and configurations such as speed, flowrate, position, and dressing on the creep-feed grinding process. The criterion measured for these experiments was thermal damage to the workpiece and grinding wheel damage.It was determined that one dressing pass was required after experiments with the wheel-cleaning system, while three dressing passes were required for experiments without wheel-cleaning. Moreover, it was found that two grinding passes could be performed with the wheel-cleaning system compared to one without. Additionally, the use of a 120m/s cleaning nozzle can increase the critical specific material removal rate by 100% and decrease specific energy by 33% compared with no wheel cleaning. Furthermore, at the 120m/s speed, there appeared to be a flowrate limit of 15 l/min, above which results changed minimally. Finally, changing the cleaning jet position from normal to closer to tangential had little effect on the results.
机译:本文研究了蠕动进给磨削过程中不同的砂轮清洁参数和配置,例如速度,流量,位置和修整。这些实验测量的标准是对工件的热损伤和砂轮的损坏。确定使用砂轮清洁系统进行实验后需要修整一次,而对于不清洁砂轮的实验则需要进行三次修整。此外,发现与不使用轮清洁系统相比,使用轮清洁系统可以进行两次磨削。此外,使用120m / s的清洁喷嘴与不清洁车轮相比,可以将关键的特定材料清除率提高100%,并将比能降低33%。此外,在120m / s的速度下,流速极限似乎为15 l / min,在此之上,结果变化很小。最后,将清洁喷嘴的位置从法线更改为更接近切线的位置对结果几乎没有影响。

著录项

  • 作者

    Cameron, Andrew.;

  • 作者单位

    Dalhousie University (Canada).;

  • 授予单位 Dalhousie University (Canada).;
  • 学科 Engineering Mechanical.
  • 学位 M.A.Sc.
  • 年度 2010
  • 页码 117 p.
  • 总页数 117
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 非洲史;
  • 关键词

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