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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >EMULSION FOR SINGLE PHASE ALPHA-BRASS IN HOT ROLLING PROCESS: CASE STUDY
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EMULSION FOR SINGLE PHASE ALPHA-BRASS IN HOT ROLLING PROCESS: CASE STUDY

机译：热轧过程中单相α-黄铜的乳化液：案例研究

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摘要

According to the hydrophile-lipophile balance (HLB) theory and the evaluation results of friction, wear and lubrication using a four-ball tribometer, a novel oil-in-water emulsion was developed for the hot rolling process of hard brass (single phase alpha-brass, CuZn32(ASTM C26200) and CuZn30(ASTM C26000)) by controlling the composition of the emulsion, such as emulsifying, antiwear, extreme pressure, antirust and so on. In the actual hot rolling process, the roller material was the welded-stainless steel ASTM 420 (HRC34-44), in which the lubrication mechanism of brushing grease discontinuously was replaced by emulsion jet directly to the hot roller surface. The actual hot rolling results proved that it was easy to control the accuracy and size of the brass sheet with the emulsion jet. This new process increased the antiwear and anti-galling abilities of the rollers, and improved the surface quality of the brass sheet. For example, the formation of deep, dark streaks in the hot rolled copper sheet is prevented, galling and roughening of the roller surfaces during hot rolling is reduced and it also saved labor, and increased production efficiency and the service life of the hot roller greatly.
机译：根据亲水亲脂平衡（HLB）理论以及使用四球摩擦计的摩擦，磨损和润滑的评估结果，开发了一种新型的水包油型乳化液，用于硬质黄铜的热轧工艺（单相α -黄铜，CuZn32（ASTM C26200）和CuZn30（ASTM C26000）），通过控制乳化液的成分，例如乳化，抗磨，极压，防锈等。在实际的热轧过程中，辊子的材料是ASTM 420（HRC34-44）焊接不锈钢，其中不连续刷涂润滑脂的润滑机制被直接喷射到热辊表面的乳液喷射所代替。实际的热轧结果证明，使用乳剂喷射易于控制黄铜板的精度和尺寸。这一新工艺提高了辊子的抗磨和抗擦伤能力，并改善了黄铜板的表面质量。例如，可以防止在热轧铜板上形成深色的深色条纹，减少了热轧过程中辊表面的擦伤和粗糙现象，还节省了劳力，极大地提高了生产效率和热辊的使用寿命。

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