1746-IV32

簡(jiǎn)單來(lái)說(shuō)就是磁通密度乘以面積，面積好理解，那磁通密度是什么？——與電場(chǎng)強(qiáng)度  是由單位點(diǎn)電荷受電場(chǎng)力類(lèi)似，磁通密度可以根據(jù)運(yùn)動(dòng)電荷在磁場(chǎng)中所受到的磁場(chǎng)力來(lái)定義。實(shí)驗(yàn)發(fā)現(xiàn)：一個(gè)電荷  以速度  在均勻磁場(chǎng)中運(yùn)動(dòng)，會(huì)受到電磁力  ，這個(gè)力和磁場(chǎng)的強(qiáng)弱是成正比的，即：

這個(gè)公式是洛倫茲公式的簡(jiǎn)化版，也就說(shuō)，我們可以通過(guò)電荷大小、運(yùn)動(dòng)速度以及所受到的力來(lái)反推周?chē)艌?chǎng)的大小，這個(gè)磁場(chǎng)的大小就是磁通密度，也叫磁感應(yīng)強(qiáng)度，單位是特斯拉（Tesla）。注意，磁通密度是電機(jī)中重要的概念之一。

0533-6DNL INGERSOLL-RAND TORQUE WRENCH MOTOR

4077 DAYTRONIC DC STRAIN GAGE*1YR. WRTY*

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6250 PARKER /COMPUMOTOR 2-AXIS CONTROLLER **NEW**

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91-00918-03 MODICON

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50241-3 SPINDEL DRIVE

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110-0131 MODICON

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3FINCG-SA PRECISION ROBO SLIDE ASSEMBLY

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AS-B885-121 MODICON