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首页> 外文会议>Transactions of the North American Manufacturing Research Institution of SME >STUDY ON THE COOLANT SUPPLY METHOD IN GRIND-HARDENING
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STUDY ON THE COOLANT SUPPLY METHOD IN GRIND-HARDENING

机译：磨料硬化中冷却剂供应方法的研究

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摘要

The grind-hardening is a type of surface modification technology, which utilizes the dissipated grinding heat for hardening the workpiece surface. This technology integrates the surface hardening with surface finishing. Grind-hardening was usually performed dry to maximize heat generation or performed with the conventional coolant supply method. However, the workpiece often was unable to be hardened due to lower cooling rate in dry grind-hardening or insufficient temperature rise in the conventional wet grind-hardening. A new coolant supply method was introduced in this study. Using this new method, it was found that the grinding heat can be utilized efficiently while keeping the surface layer of the workpiece at high cooling rate. Comparing with other coolant methods, the new coolant supply method has many advantages, such as higher hardness, higher hardness penetration depth, and finer martensitic structure.
机译：磨削硬化是一种表面改性技术，它利用散发的磨削热来硬化工件表面。该技术将表面硬化与表面精加工集成在一起。磨削硬化通常在干燥条件下进行以最大程度地产生热量，或者使用传统的冷却剂供应方法进行。然而，由于干磨硬化中的冷却速率较低或常规湿磨硬化中的温度升高不足，常常导致工件无法硬化。在这项研究中介绍了一种新的冷却液供应方法。使用这种新方法，发现可以在保持工件的表层处于高冷却速率的同时有效地利用磨削热。与其他冷却剂方法相比，新的冷却剂供应方法具有许多优势，例如更高的硬度，更高的硬度渗透深度和更精细的马氏体结构。

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