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銅閥門拉伸保載試驗方案

作者：來源：发布日期： 2020.10.21

信息摘要：

銅閥門拉伸保載試驗方案

试验方案：銅閥門拉伸保載試驗方案
送檢單位：某銅閥門生産企業
送檢試樣：銅閥門連接杆（見圖）
試驗設備：三思泰捷CMT1000萬能試驗機
試驗日期：2018-06-14
試驗要求：

1、將力值加載到4500N，並且保載5分鍾，記錄接頭是否産生位移，如果有位移，試驗機記錄接頭處的位移量。
2、讓試樣接頭處位移1mm，試驗機計算移動1mm的力值。

注意事項：
1、需要在兩個螺母連接處加裝電子引伸計，這樣才能准確和有效。
2、在做試驗之前，請跟我相信溝通後再做試驗，以保證試驗准確。

備注：
該客戶單位是銅閥門專業生産企業，公司年銷售5000萬元。公司主要生産牌各類球閥、閘閥、截止閥、止回閥、過濾閥、水嘴、角閥、五金管件、接頭等系列産品。

試驗數據：

         1mm的力值    4500N位移
单位       N               mm
试样1    3544.49    1.93
试样2    2350.96    5.62
试样3    2085.63    最大力值只能到2836.98N

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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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