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首页> 外文期刊>Surface & Coatings Technology >Dry machining of metal using an engraving cutter coated with a droplet-free ta-C film prepared via a T-shape filtered arc deposition
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Dry machining of metal using an engraving cutter coated with a droplet-free ta-C film prepared via a T-shape filtered arc deposition

机译：使用雕刻刀对金属进行干式加工，该雕刻刀上涂有通过T形过滤电弧沉积制备的无液滴ta-C膜

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摘要

Tetrahedral amorphous carbon (ta-C) films were prepared on cutters which are used for engraving. Engraving tests were performed on metal plates using non-coated and ta-C-coated cutters, under dry machining conditions, without oil. Generally, the metal plate is engraved using a cemented carbide (WC-Co) cutter, which uses oil for the cutting process, to fabricate a nameplate. The oil causes a high environmental load and complicates the machining process. Therefore, from an industrial viewpoint, there is a need for a dry machining process. The ta-C film is a hydrogen-free diamond-like carbon film with a high mechanical hardness. In this study, droplet-free ta-C films were prepared on WC-Co cutters using a T-shape filtered arc deposition method. The work materials used in the engraving tests were aluminum, copper, and brass. The results of the engraving tests demonstrated suppression of metal adhesion to the cutting edge, prevention of chipping of the cutting edge, and a decrease in cutting resistance during engraving when a ta-C film had been coated onto the cutting edge. In addition, burr and residue on engraved grooves were also suppressed by using a ta-C-coated cutter. The ta-C film coating offered a remarkable improvement in the engraving performance of a WC-Co cutter in the dry machining process. (C) 2016 Elsevier B.V. All rights reserved.
机译：在用于雕刻的切割机上制备四面体无定形碳（ta-C）膜。在无油的干式加工条件下，使用无涂层和ta-C涂层的刀具在金属板上进行雕刻测试。通常，金属板是使用硬质合金（WC-Co）刀具雕刻的，该刀具使用油进行切削，以制造铭牌。油会导致较高的环境负荷，并使加工过程复杂化。因此，从工业角度来看，需要干式加工工艺。 ta-C膜是机械硬度高的无氢类金刚石碳膜。在这项研究中，使用T形过滤电弧沉积方法在WC-Co切割机上制备了无液滴的ta-C膜。雕刻测试中使用的工作材料是铝，铜和黄铜。雕刻测试的结果表明，在将ta-C膜涂覆到切削刃上的情况下，雕刻过程中抑制了金属对切削刃的粘附，防止了切削刃的崩裂以及切削阻力的降低。此外，通过使用ta-C涂层的刀具，也可以抑制刻槽上的毛刺和残留物。 ta-C膜涂层在干式加工过程中大大改善了WC-Co刀具的雕刻性能。 （C）2016 Elsevier B.V.保留所有权利。

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