{"id":5956,"date":"2017-01-25T08:29:00","date_gmt":"2017-01-25T00:29:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=5956"},"modified":"2023-11-11T11:58:43","modified_gmt":"2023-11-11T03:58:43","slug":"strain-gauge","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2017\/01\/strain-gauge\/","title":{"rendered":"BGA\u932b\u88c2\uff0c\u4f7f\u7528\u61c9\u8b8a\u7247(Strain Gauge)\u91cf\u6e2c\u96fb\u8def\u677f\u5230\u5e95\u90a3\u500b\u74b0\u7bc0\u7522\u751f\u8f03\u5927\u8b8a\u5f62\u91cf"},"content":{"rendered":"

\u3010Strain Gauge\u3011\u53ef\u4ee5\u5e6b\u52a9\u5de5\u7a0b\u5e2b\u4e86\u89e3\u5176\u7522\u54c1\u5728\u7d44\u88dd\u904e\u7a0b\u4e2d\u90a3\u500b\u6b65\u9a5f\u627f\u53d7\u4e86\u8f03\u5927\u7684\u61c9\u8b8a\uff0c\u4f7f\u7528\u5f97\u7576\u7684\u8a71\uff0c\u9084\u53ef\u4ee5\u85c9\u4e4b\u4e86\u89e3\u7522\u54c1\u4e2d\u90a3\u500b\u65b9\u5411\u627f\u53d7\u4e86\u8f03\u5927\u7684\u61c9\u529b\uff0c\u53c8\u662f\u90a3\u500b\u65b9\u5411\u7522\u751f\u4e86\u8f03\u5927\u7684\u61c9\u8b8a\uff0c\u4e0d\u8ad6\u5c0d\u7814\u767c\u6216\u662f\u88fd\u7a0b\u90fd\u6709\u5f88\u5927\u7684\u53c3\u8003\u50f9\u503c\u3002<\/font><\/p>\n

\"BGA\u932b\u88c2\uff0c\u4f7f\u7528\u61c9\u8b8a\u7247(Strain<\/p>\n

\u8fd1\u5e7e\u5e74\u4f86\u5de5\u4f5c\u718a\u4e00\u76f4\u5728\u516c\u53f8\u5167\u63a8\u5ee3\u4e26\u8981\u6c42\u7814\u767c\u55ae\u4f4d\u5584\u7528\u3010Strain Gauge\uff08\u61c9\u8b8a\u8a08\/\u61c9\u8b8a\u7247\uff09\u3011\u9019\u500b\u5de5\u5177\u4f86\u91cf\u6e2c\u5370\u5237\u96fb\u8def\u677f\u5728\u6574\u6a5f\u7d44\u88dd\u904e\u7a0b\u4e2d\u8207\u8dcc\u843d\u6216\u6454\u843d\u6e2c\u8a66\u6642\u7684\u3010\u61c9\u529b-\u61c9\u8b8a\u3011\u5206\u4f48\u72c0\u6cc1\u3002<\/font><\/p>\n

\u6700\u8fd1\u516c\u53f8\u5167\u65b0\u7522\u54c1\u7814\u767c\u6f38\u6f38\u6709\u4eba\u807d\u5f97\u9032\u5de5\u4f5c\u718a\u7684\u5efa\u8b70\uff0c\u4e5f\u9858\u610f\u958b\u59cb\u5617\u8a66\u4f7f\u7528\u61c9\u8b8a\u8a08\u3010Strain Gauge\u3011\u4f86\u6a21\u64ec\u96fb\u8def\u677f\u4e0a\u7684BGA\u932b\u88c2\u7684\u554f\u984c\uff0c\u751a\u81f3\u9084\u6709\u5de5\u7a0b\u5e2b\u7528\u4e4b\u4f86\u5206\u6790LCM\u7684\u61c9\u529b\u8207\u61c9\u8b8a\u91cf\u3002\u611f\u89ba\u662f\u500b\u597d\u7684\u958b\u59cb\uff01<\/font><\/p>\n

\u9019\u3010Strain Gauge\u3011\u57fa\u672c\u4e0a\u662f\u4e00\u7247\u975e\u5e38\u8584\u7684\u91d1\u5c6c\u9285\u7b94\u7dda\u8def\uff0c\u5b83\u5fc5\u9808<\/font>\u5e73\u8cbc<\/font>\u5728\u5f85\u6e2c\u7269\u4ef6\u4e0a<\/font>\uff0c\u539f\u5247\u4e0a\u5f85\u6e2c\u7269\u5fc5\u9808\u662f\u525b\u6027\u6750\u6599\uff0c\u7576\u5f85\u6e2c\u7269\u767c\u751f\u7269\u7406\u6027\u7684\u8b8a\u5f62\u6642\u5c31\u6703\u5e36\u52d5\u3010Strain Gauge\u3011\u7684\u300c\u91d1\u5c6c\u654f\u611f\u67f5\u300d\u8ddf\u8457\u8b8a\u5f62\uff0c\u65bc\u662f\u9a45\u4f7f\u300c\u91d1\u5c6c\u654f\u611f\u67f5\u300d\u7684\u96fb\u963b\u503c\u767c\u751f\u76f8\u61c9\u7684\u8b8a\u5316\uff0c\u901a\u904e\u300c\u60e0\u65af\u767b\u96fb\u6a4b(Wheatstone bridge)\u300d\u5c31\u53ef\u4ee5\u91cf\u6e2c\u5230\u9019\u500b\u5fae\u5c0f\u7684\u963b\u503c\u8b8a\u5316\u91cf\uff0c\u7136\u5f8c\u7d93\u904e\u8a08\u7b97\u5c31\u53ef\u4ee5\u5f97\u51fa\u8b8a\u5f62\u91cf\u3002<\/font><\/p>\n

<\/p>\n

\u4e00\u822c\u6211\u5011\u4f7f\u7528\u3010\u61c9\u8b8a\u91cf\u6e2c\u7cfb\u7d71\u3011\u6240\u91cf\u6e2c\u51fa\u4f86\u7684\u6578\u503c\u70ba\u3010Micro-Strain(\u5fae\u61c9\u8b8a)\u3011\uff0c\u6c92\u6709\u55ae\u4f4d\u3002\u5047\u8a2d\u539f\u4f86\u4e00\u500b\u9577\u5ea6\u70ba100mm\u7684\u525b\u6027\u7269\u9ad4\uff0c\u5f62\u8b8a\u5f8c\u9577\u5ea6\u8b8a\u6210\u4e86100.5mm\uff0c\u90a3\u9ebc\u5176\u61c9\u8b8a\u91cf\u5c31\u662f(100.5-100)\/100=0.005\uff0c\u56e0\u70ba\u5c0f\u6578\u9ede\u5bb9\u6613\u6df7\u6dc6\uff0c\u65bc\u662f\u5c070.005×106<\/sup>=500(Micro-Strain)\uff0c\u9019\u6a23\u5c31\u6bd4\u8f03\u597d\u7406\u89e3\u3002<\/font><\/p>\n

\u8acb\u6ce8\u610f\uff0cMicro-Strain\u9019\u500b\u6578\u503c\u6709\u6b63\u8ca0\u4e4b\u5206\uff0c\u5fd8\u8a18\u662f\u6b63\u503c\u5f80\u4e0a\u8ca0\u503c\u5f80\u4e0b\uff0c\u6216\u525b\u597d\u985b\u5012\u4e86\uff0c\u81ea\u5df1\u67e5\u8a62\u4e00\u4e0b\u898f\u683c\u5427<\/font>\u3002<\/font><\/p>\n

\u672c\u6587\u7684\u7bc4\u4f8b\u70ba\u4f7f\u7528\u3010Strain Gauge\u3011\u91cf\u6e2c\u4e00\u7247\u96fb\u8def\u677f\u4e0aBGA\u5143\u4ef6\u7684\u61c9\u8b8a\u5206\u6790\uff0c\u56e0\u70ba\u7576\u521d\u505a\u7522\u54c1\u6454\u843d\u6e2c\u8a66\u6642\u767c\u73fe\u6709BGA\u932b\u88c2\u7684\u554f\u984c\uff0c\u6240\u4ee5\u4f7f\u7528\u61c9\u8b8a\u8a08\u4f86\u91cf\u6e2c\u61c9\u8b8a\u767c\u751f\u7684\u6642\u6a5f\u8207\u61c9\u8b8a\u91cf\u3002<\/font><\/p>\n

\u7559\u610f\u4e00\u4e0b\u6587\u7ae0\u6700\u4e0a\u9762\u7684\u5716\u7247\uff0c\u6703\u767c\u73fe\u9ed1\u8272\u7684\u654f\u611f\u67f5\u61c9\u8b8a\u8a08\u8cbc\u9644\u5728BGA\u7684\u56db\u500b\u89d2\u843d\uff0c\u56e0\u70ba\u3010Strain Gauge\u3011\u5fc5\u9808\u5e73\u8cbc\u65bcPCB\u4e0a\uff0c\u6240\u4ee5\u5176\u9644\u8fd1\u7684\u96f6\u4ef6\u90fd\u88ab\u4e8b\u5148\u53bb\u9664\u4e86\u3002<\/font><\/font><\/p>\n

\u7bc4\u4f8b\u7684\u61c9\u8b8a\u7684\u91cf\u6e2c\u5206\u6210\u5e7e\u500b\u968e\u6bb5\uff0c\u5206\u5225\u5f9e\u7d44\u88dd\u6642\u53ef\u80fd\u767c\u751f\u61c9\u8b8a\u7684\u6b65\u9a5f\u8207\u7522\u54c1\u6454\u843d\u6e2c\u8a66\u6642\u7684\u5404\u500b\u9762\u5411\u8207\u7a1c\u908a\u7d00\u9304\u5176\u61c9\u8b8a\u91cf\u3002<\/font><\/p>\n

1. \u5c07PCBA\u9396\u9644\u65bc\u5851\u81a0\u6a5f\u6bbc\u7684\u61c9\u529b\u5206\u4f48\u3002
Fixture test result :(MIN:-140\uff1bMAX:198)<\/font><\/p>\n

\"image\"<\/p>\n

2. \u5c07\u4e0a\u4e0b\u5169\u500b\u5851\u81a0\u6bbc\u9396\u9644\u5728\u4e00\u8d77\u6642\u7684\u61c9\u529b\u5206\u4f48\u3002(\u51719\u9846\u87ba\u7d72)
Fixture test result :(MIN:-320\uff1bMAX:366)<\/font><\/p>\n

\"image\"<\/p>\n

3. \u7522\u54c1\u65bc\u5404\u500b\u9762\u5411\u8dcc\u843d\/\u6454\u843d\u6e2c\u8a66\u6642\u7684\u61c9\u529b\u5206\u4f48\u3002\uff08\u8dcc\u843d\/\u6454\u843d\u6642\u7684\u9806\u5e8f\u70baBottom, Top, Right, Front, Left, Rear, R-R Edge, R-F Edge, L-F Edge, L-R Edge\uff09<\/font><\/p>\n

3-1, Bottom
Fixture test result :(MIN:-445\uff1bMAX:538<\/font>)
<\/font>\"image\"<\/p>\n

3-2, Top
Fixture test result :(MIN:-946\uff1bMAX:719<\/font>)
<\/font>\"image\"<\/p>\n

3-3, Right
Fixture test result \ud83d\ude41MIN:-688\uff1bMAX:595<\/font>)
<\/font>\"image\"<\/p>\n

3-4, Front
Fixture test result :(MIN:-408\uff1bMAX:363)<\/font>
\"image\"<\/p>\n

3-5, Left
Fixture test result :(MIN:-279\uff1bMAX:842<\/font>)<\/font>
\"image\"<\/p>\n

3-6, Rear
Fixture test result :(MIN:-383\uff1bMAX:286) <\/font>
\"image\"<\/p>\n

3-7, Right-Rear Edge
Fixture test result :(MIN:-324\uff1bMAX:307)
<\/font>\"image\"<\/p>\n

3-8, Right-Front Edge
Fixture test result :(MIN:-447\uff1bMAX:479)<\/font>
\"image\"<\/p>\n

3-9, Left-Front Edge
Fixture test result :(MIN:-436\uff1bMAX:396)<\/font>
\"image\"<\/p>\n

3-10, Left-Rear Edge
Fixture test result :(MIN:-352\uff1bMAX:458) <\/font>
\"image\"<\/p>\n

\u4ee5\u4e0a\u6578\u503c\u6c92\u6709\u8aaa\u8d85\u904e\u591a\u5c11\u6578\u503c\u5c31\u6703\u767c\u751fBGA\u932b\u88c2\u7684\u554f\u984c\uff0c\u5c31\u662f\u78ba\u5be6\u53cd\u6620\u51fa\u5be6\u969b\u7684\u61c9\u8b8a\u91cf\u6e2c\u503c\uff0c\u6709\u4e9b\u516c\u53f8\u6703\u5b9a\u7fa9\u5fae\u61c9\u8b8a\u7684\u898f\u683c\u5728\u3010-450\uff5e+450\u3011\u4e4b\u5167\u6216\u3010-500\uff5e+500\u3011\u4e4b\u5167\uff0c\u7aef\u770b\u5404\u5bb6\u7684\u7d93\u9a57\uff0c\u7e3d\u4e4b\u5148\u5f9e\u61c9\u8b8a\u91cf\u6700\u5927\u7684\u5730\u65b9\u67e5\u8d77\u7e3d\u6c92\u932f\u3002<\/font><\/p>\n

\u53e6\u5916\uff0c\u9019\u88e1\u6709\u4e00\u7bc7\u8c46\u4e01\u7db2\u7684\u6587\u7ae0\u3010<\/font>MLCC\u7684Strain Gage Test\u7684\u5e94\u7528\u4e0e\u6848\u4f8b\u5206\u6790<\/font><\/a>\u3011\u53ef\u4ee5\u53c3\u8003\u3002<\/font><\/p>\n

\n

\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>
[\u6848\u4f8b]BGA\u932b\u7403\u88c2\u958b\u7684\u6a5f\u69cb\u8a2d\u8a08\u6539\u5584\u5c0d\u7b56<\/font><\/a>
\u5982\u4f55\u5f9e\u8a2d\u8a08\u7aef\u5f37\u5316BGA\u4ee5\u9632\u6b62\u5176\u710a\u9ede\u958b\u88c2\uff1f<\/font><\/a>
\u9676\u74f7\u96fb\u5bb9(MLCC)\u843d\u4e0b\u5f8c\u7834\u88c2\u4e26\u6389\u843d\u5206\u6790\uff08\u61c9\u529b\uff09<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010Strain Gauge\u3011\u53ef\u4ee5\u5e6b\u52a9\u5de5\u7a0b\u5e2b\u4e86\u89e3\u5176 …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,20,22,107],"tags":[47,188,151,208,157],"aioseo_notices":[],"views":28488,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/5956"}],"collection":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/comments?post=5956"}],"version-history":[{"count":2,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/5956\/revisions"}],"predecessor-version":[{"id":10945,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/5956\/revisions\/10945"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=5956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=5956"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=5956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}