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?銅線線材扭轉(扭力)試驗方案GBT3952-1998

作者：來源：发布日期： 2020.10.15

信息摘要：

?銅線線材扭轉(扭力)試驗方案GBT3952-1998

江銅集團的銅線線材扭轉（扭力）試驗方案要求GBT3952-1998

1.試驗執行標准，電工用銅線坯GBT3952-1998：

2.试样：Ф2.6mm---Ф0.8mm(主要为: Ф8.0Ф2.6mm),夹持端长度: Ф3.5 cm,中间平行长度：20/25 cm（30 cm为特殊长度）：

3.試樣方案：正反轉10圈停、正反轉15圈停、正反轉25圈轉至斷、正轉至斷等四種常見方式，至斷要到70轉；

4.試驗速度：常用的試驗速度爲30轉/min和60轉/min；

5.仪器要求：①夹持方便、可靠、不松动、打滑：②夹具移动端平稳，可在平台上做标尺，方便定位27cm、 32cm、37cm位置：转动端加配重（20kg）；③操作方便，有操作面板，面板上的按键能预存试验方案，且按键间可切换，量好能他保存2个试验方案。

6.显示要求：试验结果只显示圈数反转圈数），不需要扭角和扭距，转速可自设定。

7.试验设备：三思泰捷CMT微机控制扭轉試驗機500N.m

8.試驗結果：完全滿足江銅集團要求，設備使用良好。

參考資料：

关于TMT微机控制电子扭轉試驗機：
本试验机满足GB/T 10128-2007《金屬室温扭转试验方法》、JJG269-2006《扭轉試驗機》的要求，主要用于金屬、非金屬、复合材料以及结构件进行扭转性能测试试验。

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The Curate, of course, had heard nothing about the Clockwork man's other performances; he had scarcely heeded the hints thrown out about the possibility of movement in other dimensions. It seemed to him, in the uncertain light of their surroundings, that the Clockwork man's right arm gradually disappeared into space. There was no arm there at all. Afterwards, he remembered a brief moment when the arm had begun to grow vague and transparent; it was moving very rapidly, in some direction, neither up nor down, nor this way or that, but along some shadowy plane. Then it went into nothing, evaporated from view. And just as suddenly, it swung back into the plane of the curate's vision, and the hand at the end of it grasped a silk hat. Good fitting is often not so much a question of skill as of the standard which a workman has fixed in his mind, and to which all that he does will more or less conform. 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