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陽光兒童童車的鐵片拉伸試驗機測試報告

作者：來源：发布日期： 2020.12.16

信息摘要：

陽光兒童童車的鐵片拉伸試驗機測試報告

试验方案：铁片板材拉伸试验
计算标准：GB/T 228.1-2010
試樣形狀：板材
試驗設備：三思泰捷電子拉力試驗機
试验日期：2018-09-15
试验速度：5 mm/min
試驗報告要求：求最大拉力、抗拉屈服強度

備注

該客戶爲兒童用品有限公司，專業從事嬰童安全出行用品研發、生産、銷售及品牌運營一體的高新技術企業，是中國嬰童用品行業前十名，獲得廣東省名牌産品和著名商標榮譽。産品主要有嬰兒手推車和兒童汽車安全座椅及其他嬰童用品。年銷售額約3億人民幣。要保障兒童用品的安全，須從材料把關開始。小到童車大到汽車，試驗需求無處不在。

試驗數據及曲線：

试样编号   宽度   厚度   原始标距   最大力（Fbc)   抗拉强度（Rm）   屈服强度Rp0.2   弹性模量   断裂伸长率（At)
单位       mm   mm   mm   N   MPa   MPa   MPa   %
试样1   45#钢   25   2.5   50   29287.84   468.61   239.61   114182.91   31.89
试样2   45#钢   25   2.5   50   29305.21   468.88   245.09   153895.44   29.96
试样3   45#钢   25   2.5   50   29567.90   473.09   248.49   199106.92   29.85
试样4   SPFH590   25   3.0   50   44426.42   592.35   535.11   235874.61   22.81
试样5   SPFH590   25   3.0   50   44676.10   595.68   550.32   218581.42   22.94
试样6   SPFH590   25   3.0   50   44577.03   594.36   552.21   229911.64   22.33
试样7   SPFH590   25   4.0   50   61719.45   617.19   555.35   230163.59   20.41
试样8   SPFH590   25   4.0   50   64779.86   647.80   548.40   206634.47   21.93
试样9   SPFH590   25   4.0   50   60691.63   606.92   541.13   219803.59   20.94

QQ图片20201216102600.png

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"And sure," she said, "and I hope that wretched old Feejee won't be in Japan at all, at all, and the horrid haythens won't roast him." THIRD-CLASS PASSENGERS. THIRD-CLASS PASSENGERS. I was about to put a false meaning even on that, when she added "We don't need the ford this time of year; let us ride back as if we gave up the trip--for there may be a vidette looking at us now in the edge of those bushes--and as soon as we get where we can't be seen let us take a circuit. We can cross the creek somewhere above and strike the Wiggins road up in the woods. You can find your way by the blessed stars, can't you--being the angel you are?" "Good-night, gentlemen," said the doctor at last. As he passed into the darkness Quinn bent a mock frown upon his young superior. It would require a mathematical diagram to describe the incident with absolute accuracy. 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. If this standard is one of exactness and precision, all that is performed, whether it be filing, turning, planing, or drawing, will come to this standard. This faculty of mind can be defined no further than to say that it is an aversion to whatever is imperfect, and a love for what [171] is exact and precise. There is no faculty which has so much to do with success in mechanical pursuits, nor is there any trait more susceptible of cultivation. Methodical exactness, reasoning, and persistence are the powers which lead to proficiency in engineering pursuits. I was the only civilian in that road, and the soldiers, with much curiosity, stared at me. Whenever I noticed an officer, I gave an elaborate military salute, and with such an air that the officers, although hesitating at first, did not fail to return the salute. The reformed system of education was to be not only moral and religious but also severely scientific. The place given to mathematics as the foundation of a right intellectual training is most remarkable, and shows how truly Plato apprehended the conditions under which knowledge is acquired and enlarged. Here, as in other respects, he is, more even than Aristotle, the precursor of Auguste Comte. He arranges the mathematical sciences, so far as they then existed, in their logical order; and his remarks on the most general ideas suggested by astronomy read like a divination of rational mechanics. That a recommendation of such studies should be put into the mouth of Socrates is a striking incongruity. The older Plato grew the farther he seems to have advanced from the humanist to the naturalistic point of view; and, had he been willing to confess it, Hippias and Prodicus were the teachers with whom he finally found himself most in sympathy. We are told that when his end began to approach, the dying philosopher was pressed to choose a successor in the headship of the School. The manner in which he did this is289 characteristic of his singular gentleness and unwillingness to give offence. It was understood that the choice must lie between his two most distinguished pupils, Theophrastus of Lesbos, and Eudêmus of Rhodes. Aristotle asked for specimens of the wine grown in those islands. He first essayed the Rhodian vintage, and praised it highly, but remarked after tasting the other, ‘The Lesbian is sweeter,’ thus revealing his preference for Theophrastus, who accordingly reigned over the Lyceum in his stead.179 Abibulla saw them off with great deference and a contrite air, and watched their retreat; then, as[Pg 260] I was about to send him to despatch the message, he was indignant. The police! What could they do to a sahib like me? It was all very well to frighten poor folks—it was a sin to waste money in asking for a reply which I should never be called upon to show—and so he went on, till I made up my mind to think no more of the matter. 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