{"id":4896,"date":"2023-06-13T05:06:55","date_gmt":"2023-06-13T05:06:55","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=4896"},"modified":"2023-07-26T05:55:52","modified_gmt":"2023-07-26T05:55:52","slug":"what-are-access-holes","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e4%bb%80%e4%b9%88%e6%98%af%e5%87%ba%e5%85%a5%e5%ad%94\/","title":{"rendered":"\u4ec0\u4e48\u662f\u68c0\u4fee\u5b54"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"what-are-access-holes\">\u4ec0\u4e48\u662f\u68c0\u4fee\u5b54<\/h2>\n\n\n<p>\u68c0\u4fee\u5b54\u662f\u5370\u5237\u7535\u8def\u677f\uff08PCB\uff09\u4e0a\u5141\u8bb8\u8fdb\u5165\u7535\u8def\u677f\u5185\u5c42\u7684\u5b54\u3002\u8fd9\u4e9b\u5b54\u901a\u5e38\u7528\u4e8e\u6d4b\u8bd5\u548c\u8c03\u8bd5\uff0c\u4ee5\u53ca\u6dfb\u52a0\u6216\u62c6\u9664\u7535\u8def\u677f\u4e0a\u7684\u5143\u4ef6\u3002\u68c0\u4fee\u5b54\u901a\u5e38\u6218\u7565\u6027\u5730\u5e03\u7f6e\u5728\u7535\u8def\u677f\u5468\u56f4\uff0c\u4ee5\u4fbf\u4e8e\u8fdb\u5165\u9700\u8981\u6d4b\u8bd5\u6216\u4fee\u6539\u7684\u533a\u57df\u3002<\/p>\n\n\n\n<p>\u68c0\u4fee\u5b54\u4e0d\u540c\u4e8e\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u5176\u4ed6\u7c7b\u578b\u5b54\uff0c\u5982\u5b89\u88c5\u5b54\u6216\u5de5\u5177\u5b54\u3002\u5b89\u88c5\u5b54\u548c\u5de5\u5177\u5b54\u7528\u4e8e\u673a\u68b0\u76ee\u7684\uff0c\u800c\u68c0\u4fee\u5b54\u5219\u7528\u4e8e\u7535\u6c14\u76ee\u7684\u3002\u5b83\u4eec\u7684\u5c3a\u5bf8\u901a\u5e38\u5c0f\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u5b54\uff0c\u901a\u5e38\u88ab\u653e\u7f6e\u5728\u7a7a\u95f4\u6709\u9650\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<p>\u68c0\u4fee\u5b54\u662f\u73b0\u4ee3\u5370\u5237\u7535\u8def\u677f\u7684\u4e00\u4e2a\u57fa\u672c\u7279\u5f81\uff0c\u56e0\u4e3a\u5b83\u4eec\u5141\u8bb8\u5de5\u7a0b\u5e08\u6d4b\u8bd5\u548c\u4fee\u6539\u7535\u8def\u677f\uff0c\u800c\u65e0\u9700\u62c6\u5378\u6574\u4e2a\u8bbe\u5907\u3002\u5b83\u4eec\u5bf9\u4e8e\u667a\u80fd\u624b\u673a\u548c\u7535\u8111\u7b49\u590d\u6742\u8bbe\u5907\u5c24\u5176\u6709\u7528\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u8bbe\u5907\u7a7a\u95f4\u6709\u9650\uff0c\u800c\u8fdb\u5165\u7535\u8def\u677f\u5185\u5c42\u5bf9\u4e8e\u6d4b\u8bd5\u548c\u8c03\u8bd5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-holes-on-pcb\">\u5370\u5237\u7535\u8def\u677f\u4e0a\u6709\u54ea\u4e9b\u5b54<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u5b54\u53ef\u5206\u4e3a\u4e09\u79cd\u7c7b\u578b\uff0c\u5373\u7535\u9540\u901a\u5b54\uff08PTH\uff09\u3001\u975e\u7535\u9540\u901a\u5b54\uff08NPTH\uff09\u548c\u901a\u5b54\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e9b\u5b54\u4e0d\u5e94\u88ab\u8bef\u8ba4\u4e3a\u662f\u63d2\u69fd\u6216\u5207\u53e3\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-holes-and-vias\">\u5b54\u548c\u901a\u5b54\u6709\u4ec0\u4e48\u533a\u522b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u672c\u8d28\u4e0a\u662f\u7535\u9540\u5b54\uff0c\u7528\u4e8e\u8fde\u63a5\u4e0d\u540c\u5c42\u7684\u8f68\u9053\uff0c\u800c\u4e0d\u662f\u50cf\u666e\u901a\u5b54\u90a3\u6837\u7528\u4e8e\u5b89\u88c5\u901a\u5b54\u5143\u4ef6\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u5b54\u4e5f\u53ef\u7528\u4e8e\u8fde\u63a5\u4e0d\u540c\u5c42\u4e0a\u7684\u8f68\u9053\uff0c\u4f46\u5176\u4e3b\u8981\u529f\u80fd\u662f\u5b89\u88c5\u901a\u5b54\u5143\u4ef6\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-purpose-of-via-holes-in-pcb\">\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u901a\u5b54\u6709\u4ec0\u4e48\u4f5c\u7528<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u662f\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u7535\u9540\u901a\u5b54 (PTH)\uff0c\u5176\u4f5c\u7528\u662f\u901a\u8fc7\u8fde\u63a5\u4e0d\u540c\u5c42\u4e0a\u7684\u8ff9\u7ebf\uff0c\u5728\u5370\u5237\u7535\u8def\u677f\u7684\u4e0d\u540c\u5c42\u4e4b\u95f4\u63d0\u4f9b\u7535\u6c14\u8fde\u63a5\u3002\u5b83\u4e0d\u7528\u4e8e\u5b89\u88c5\u5143\u4ef6\u5f15\u7ebf\uff0c\u56e0\u6b64\u5b54\u5f84\u548c\u710a\u76d8\u76f4\u5f84\u901a\u5e38\u8f83\u5c0f\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-solder-holes-in-pcb-called\">\u4ec0\u4e48\u662f PCB \u4e0a\u7684\u710a\u5b54\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\u4e0a\u710a\u9521\u7684\u5c0f\u5b54\u901a\u5e38\u79f0\u4e3a \"\u710a\u5b54 \"\u6216 \"\u901a\u5b54\"\u3002\u8fd9\u4e9b\u5b54\u4e5f\u53ef\u79f0\u4e3a \"\u9488\u5b54 \"\u6216 \"\u5439\u5b54\"\uff0c\u662f\u7531\u5370\u5237\u7535\u8def\u677f\u5728\u710a\u63a5\u8fc7\u7a0b\u4e2d\u7684\u653e\u6c14\u9020\u6210\u7684\u3002\u6ce2\u5cf0\u710a\u8fc7\u7a0b\u4e2d\u8fd9\u4e9b\u5b54\u7684\u5f62\u6210\u901a\u5e38\u4e0e\u9540\u94dc\u5c42\u7684\u539a\u5ea6\u6709\u5173\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-a-through-hole-connector\">\u4ec0\u4e48\u662f\u901a\u5b54\u8fde\u63a5\u5668<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u6280\u672f\u662f\u7535\u5b50\u4ea7\u54c1\u4e2d\u5e38\u7528\u7684\u4e00\u79cd\u5236\u9020\u5de5\u827a\u3002\u5b83\u662f\u6307\u901a\u8fc7\u5370\u5237\u7535\u8def\u677f\uff08PCB\uff09\u4e0a\u7684\u94bb\u5b54\u63d2\u5165\u5143\u4ef6\u5f15\u7ebf\uff0c\u5e76\u5c06\u5176\u710a\u63a5\u5230\u53e6\u4e00\u4fa7\u7684\u710a\u76d8\u4e0a\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u6216\u81ea\u52a8\u63d2\u5165\u5b8c\u6210\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-a-blind-hole-and-a-through-hole\">\u76f2\u5b54\u548c\u901a\u5b54\u6709\u4ec0\u4e48\u533a\u522b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u76f2\u5b54\u548c\u901a\u5b54\u5728\u6df1\u5ea6\u4e0a\u6709\u6240\u4e0d\u540c\u3002\u901a\u5b54\u7a7f\u8fc7\u5de5\u4ef6\u7684\u6574\u4e2a\u58c1\u9762\uff0c\u5728\u4e24\u4fa7\u5f62\u6210\u5f00\u53e3\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u76f2\u5b54\u6709\u7279\u5b9a\u7684\u6df1\u5ea6\uff0c\u4e0d\u4f1a\u7a7f\u8fc7\u5de5\u4ef6\u7684\u53e6\u4e00\u4fa7\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-advantage-of-throughhole\">\u901a\u5b54\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u6280\u672f\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\uff0c\u56e0\u4e3a\u5b83\u80fd\u4f7f\u7535\u8def\u677f\u548c\u5143\u4ef6\u4e4b\u95f4\u7684\u8fde\u63a5\u66f4\u52a0\u7262\u56fa\u3002\u8fd9\u4f7f\u5f97\u5b83\u6210\u4e3a\u53d8\u538b\u5668\u3001\u8fde\u63a5\u5668\u548c\u534a\u5bfc\u4f53\u7b49\u9700\u8981\u627f\u53d7\u9ad8\u529f\u7387\u3001\u9ad8\u7535\u538b\u548c\u673a\u68b0\u5e94\u529b\u7684\u5927\u578b\u5143\u4ef6\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-2-types-of-throughhole-components\">\u4ec0\u4e48\u662f 2 \u79cd\u7c7b\u578b\u7684\u901a\u5b54\u7ec4\u4ef6<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u5143\u4ef6\u7684\u4e24\u79cd\u4e3b\u8981\u7c7b\u578b\u662f\u8f74\u5411\u5f15\u7ebf\u548c\u5f84\u5411\u5f15\u7ebf\u3002\u8f74\u5411\u5f15\u7ebf\u5143\u4ef6\u7684\u5f15\u7ebf\u4f4d\u4e8e\u4e24\u7aef\uff0c\u5e76\u4ece\u96f6\u4ef6\u4e2d\u76f4\u7ebf\u6392\u51fa\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5f84\u5411\u5f15\u7ebf\u5143\u4ef6\u7684\u4e24\u6839\u5f15\u7ebf\u90fd\u5728\u4e00\u4fa7\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-smt-and-throughhole-pcb\">SMT \u548c\u901a\u5b54\u5370\u5237\u7535\u8def\u677f\u6709\u4f55\u533a\u522b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5bf9\u4e8e\u9700\u8981\u52a0\u5f3a\u5c42\u95f4\u4e92\u8fde\u7684\u9ad8\u53ef\u9760\u6027\u4ea7\u54c1\uff0c\u901a\u5b54 PCB \u5143\u4ef6\u662f\u9996\u9009\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cSMT \u5143\u4ef6\u4ec5\u901a\u8fc7\u8868\u9762\u710a\u63a5\u56fa\u5b9a\uff0c\u800c\u901a\u5b54\u5143\u4ef6\u5f15\u7ebf\u8d2f\u7a7f\u7535\u8def\u677f\uff0c\u4f7f\u5176\u66f4\u80fd\u627f\u53d7\u73af\u5883\u538b\u529b\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"how-are-holes-drilled-in-pcb\">\u5982\u4f55\u5728\u5370\u5237\u7535\u8def\u677f\u4e0a\u94bb\u5b54<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5728\u5370\u5237\u7535\u8def\u677f\u94bb\u5b54\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u4ea7\u751f\u5404\u79cd\u7c7b\u578b\u7684\u5b54\uff0c\u5982\u5143\u4ef6\u5b54\u3001\u673a\u68b0\u5b54\u548c\u901a\u5b54\uff08\u5305\u62ec\u76f2\u5b54\u3001\u57cb\u5b54\u3001\u5fae\u5b54\u548c\u901a\u5b54\uff09\u3002\u4e3a\u4e86\u8fbe\u5230\u5fc5\u8981\u7684\u7cbe\u5ea6\uff0c\u901a\u5e38\u4f7f\u7528\u624b\u52a8\u6216\u6fc0\u5149 PCB \u94bb\u6765\u94bb\u5b54\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-surface-mount-and-through-hole\">\u8868\u9762\u8d34\u88c5\u548c\u901a\u5b54\u6709\u4ec0\u4e48\u533a\u522b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u4e0e\u901a\u5b54\u6280\u672f\u76f8\u6bd4\uff0c\u8868\u9762\u8d34\u88c5\u6280\u672f\u7684\u5236\u9020\u80fd\u529b\u66f4\u9ad8\u3002\u8fd9\u662f\u7531\u4e8e\u8868\u9762\u8d34\u88c5\u6280\u672f\u91c7\u7528\u4e86\u81ea\u52a8\u5316\u88c5\u914d\u6d41\u7a0b\u3002\u4e0d\u8fc7\uff0c\u901a\u5b54\u6280\u672f\u80fd\u66f4\u597d\u5730\u5e94\u5bf9\u73af\u5883\u538b\u529b\uff0c\u5e76\u5728\u5143\u4ef6\u4e4b\u95f4\u5f62\u6210\u66f4\u5f3a\u7684\u7ed3\u5408\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-supported-and-unsupported-holes-in-pcb\">\u5370\u5237\u7535\u8def\u677f\u4e0a\u6709\u652f\u6491\u5b54\u548c\u65e0\u652f\u6491\u5b54\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\u4e0a\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u5b89\u88c5\u5b54\uff1a\u652f\u6491\u5b54\u548c\u65e0\u652f\u6491\u5b54\u3002\u6709\u652f\u6491\u5b54\u662f\u7535\u9540\u5b54\uff0c\u901a\u5e38\u4e0e\u63a5\u5730\u5c42\u76f8\u8fde\uff0c\u800c\u65e0\u652f\u6491\u5b54\u662f\u65e0\u7535\u9540\u5b54\uff0c\u7531\u4e8e\u4e0d\u4e0e\u63a5\u5730\u5c42\u76f8\u8fde\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u5916\u90e8\u9694\u79bb\u533a\uff0c\u4ee5\u9632\u6b62\u5e72\u6270\u5176\u4ed6\u5143\u4ef6\u548c\u7ebf\u8def\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-bga-and-smt\">BGA \u548c SMT \u4e4b\u95f4\u6709\u4f55\u533a\u522b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>BGA\uff08\u7403\u6805\u9635\u5217\uff09\u710a\u63a5\u662f\u4e00\u79cd\u5728\u5143\u4ef6\u4e0b\u65b9\u4f7f\u7528\u710a\u7403\u7f51\u683c\u6c38\u4e45\u5b89\u88c5\u96c6\u6210\u7535\u8def\u7684\u6280\u672f\u3002\u4e0e\u53ea\u710a\u63a5\u5143\u4ef6\u5468\u8fb9\u7684 SMT \u6216\u901a\u5b54\u6280\u672f\u76f8\u6bd4\uff0cBGA \u5229\u7528\u5668\u4ef6\u7684\u6574\u4e2a\u5e95\u90e8\u8868\u9762\u533a\u57df\u8fdb\u884c\u8fde\u63a5\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u5168\u9762\u3001\u66f4\u9ad8\u6548\u7684\u8fde\u63a5\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-smd-and-smt\">SMD \u548c SMT \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>SMD \u548c SMT \u8fd9\u4e24\u4e2a\u672f\u8bed\u7ecf\u5e38\u88ab\u4e92\u6362\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u5b9e\u9645\u4e0a\u6307\u7684\u662f\u4e0d\u540c\u7684\u4e1c\u897f\u3002SMD \u662f\u8868\u9762\u8d34\u88c5\u8bbe\u5907\u7684\u7f29\u5199\uff0c\u6307\u7684\u662f\u5b89\u88c5\u5728\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u7535\u5b50\u5143\u4ef6\u672c\u8eab\u3002\u53e6\u4e00\u65b9\u9762\uff0cSMT \u662f\u8868\u9762\u8d34\u88c5\u6280\u672f\u7684\u7f29\u5199\uff0c\u6307\u7684\u662f\u5c06\u7535\u5b50\u5143\u4ef6\u5b89\u88c5\u5230\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u8fc7\u7a0b\u3002\u56e0\u6b64\uff0cSMD \u548c SMT \u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e SMD \u662f\u5143\u4ef6\uff0c\u800c SMT \u662f\u5c06\u5143\u4ef6\u5b89\u88c5\u5230\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u5de5\u827a\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-meant-by-throughhole\">\u901a\u5b54\u7684\u542b\u4e49<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u6280\u672f\u53c8\u79f0 \"\u901a\u5b54\"\uff0c\u662f\u4e00\u79cd\u7528\u4e8e\u7535\u5b50\u5143\u4ef6\u7684\u5b89\u88c5\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u662f\u5c06\u5143\u4ef6\u4e0a\u7684\u5f15\u7ebf\u63d2\u5165\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u94bb\u5b54\uff0c\u7136\u540e\u710a\u63a5\u5230\u53e6\u4e00\u4fa7\u7684\u710a\u76d8\u4e0a\u3002\u7ec4\u88c5\u8fc7\u7a0b\u53ef\u4ee5\u624b\u52a8\u5b8c\u6210\uff08\u624b\u5de5\u653e\u7f6e\uff09\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u81ea\u52a8\u673a\u68b0\u5b8c\u6210\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-a-clearance-hole\">\u4ec0\u4e48\u662f\u51c0\u7a7a\u5b54<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u95f4\u9699\u5b54\u662f\u6307\u7269\u4f53\u4e0a\u7684\u4e00\u4e2a\u5b54\uff0c\u5176\u5927\u5c0f\u8db3\u4ee5\u8ba9\u87ba\u6813\u6216\u87ba\u9489\u7684\u87ba\u7eb9\u901a\u8fc7\uff0c\u4f46\u4e0d\u80fd\u8ba9\u87ba\u6813\u6216\u87ba\u9489\u7684\u5934\u90e8\u901a\u8fc7\u3002\u8fd9\u79cd\u5b54\u7684\u8bbe\u8ba1\u76ee\u7684\u662f\u9632\u6b62\u87ba\u7eb9\u54ac\u5165\u6750\u6599\uff0c\u5e76\u4fbf\u4e8e\u63d2\u5165\u87ba\u9489\u6216\u87ba\u6813\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"why-is-it-called-a-hole\">\u4e3a\u4ec0\u4e48\u53eb\u6d1e<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6d1e\u7a74 \"\u4e00\u8bcd\u6e90\u4e8e\u53e4\u82f1\u8bed\u5355\u8bcd \"hol\"\uff0c\u610f\u4e3a \"\u6d1e\u7a74\"\u3002\u5728\u53e4\u4ee3\uff0c\u6d1e\u7a74\u4e0d\u4ec5\u662f\u85cf\u8eab\u4e4b\u5904\uff0c\u4e5f\u662f\u4f4f\u6240\u3002\u73b0\u5728\uff0c\"\u6d1e \"\u4e00\u8bcd\u88ab\u7528\u4e8e\u591a\u79cd\u8bed\u5883\uff0c\u5982\u5154\u5b50\u7684\u4f4f\u6240\u6216\u9ad8\u5c14\u592b\u672f\u8bed \"\u4e00\u6746\u8fdb\u6d1e\"\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-examples-of-holes\">\u5b54\u7684\u4f8b\u5b50\u6709\u54ea\u4e9b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u6d1e\u7684\u4f8b\u5b50\u5305\u62ec\u73af\u5f62\u4e2d\u7684\u4e2d\u5fc3 \"\u751c\u751c\u5708\u4e2d\u7684\u6d1e \"\u5f62\u72b6\u3001\u4ece\u5e73\u9762\u4e2d\u79fb\u9664\u7684\u622a\u9762\uff0c\u4ee5\u53ca\u4ece\u6b27\u51e0\u91cc\u5f97\u7a7a\u95f4\u4e2d\u79fb\u9664\u4e00\u4e2a\u7ed3\u540e\u4e0d\u5b58\u5728\u7684\u533a\u57df\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-different-types-of-hole-patterns\">\u5b54\u578b\u6709\u54ea\u4e9b\u4e0d\u540c\u7c7b\u578b<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5404\u79cd\u5b54\u578b\u53ef\u5206\u4e3a\u56db\u79cd\uff1a\u5706\u5b54\u3001\u65b9\u5b54\u3001\u69fd\u5b54\u548c\u88c5\u9970\u5b54\u3002\u5706\u5b54\u56e0\u5176\u7b80\u5355\u548c\u6210\u672c\u6548\u76ca\u9ad8\u800c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-disadvantages-of-throughhole\">\u901a\u5b54\u6709\u54ea\u4e9b\u7f3a\u70b9<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u901a\u5b54\u6280\u672f\u7684\u7f3a\u70b9\u4e4b\u4e00\u662f\u9700\u8981\u9884\u5148\u94bb\u5b54\u7684\u5370\u5237\u7535\u8def\u677f\uff0c\u6210\u672c\u9ad8\u4e14\u8017\u65f6\u3002\u6b64\u5916\uff0cTHT \u5143\u4ef6\u53ea\u80fd\u653e\u7f6e\u5728\u7535\u8def\u677f\u7684\u4e00\u4fa7\uff0c\u800c\u5728\u591a\u5c42\u7535\u8def\u677f\u4e0a\uff0c\u7531\u4e8e\u9700\u8981\u5728 PCB \u7684\u6240\u6709\u5c42\u4e0a\u94bb\u5b54\uff0c\u53ef\u7528\u7684\u5e03\u7ebf\u533a\u57df\u6709\u9650\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-purpose-of-tooling-hole\">\u5de5\u5177\u5b54\u7684\u7528\u9014\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5de5\u5177\u5b54\u4e5f\u79f0\u4e3a\u5236\u9020\u5b54\u3001\u5148\u5bfc\u5b54\u6216\u5236\u9020\u5b54\uff0c\u5176\u4f5c\u7528\u662f\u5728\u5236\u9020\u8fc7\u7a0b\u4e2d\u4e3a\u5370\u5237\u7535\u8def\u677f\u6216\u5370\u5237\u7535\u8def\u677f\u9762\u677f\u63d0\u4f9b\u5b9a\u4f4d\u548c\u56fa\u5b9a\u70b9\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"why-is-copper-plate-throughhole-vias-necessary\">\u4e3a\u4ec0\u4e48\u9700\u8981\u94dc\u677f\u901a\u5b54\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u94dc\u586b\u5145\u8fc7\u9053\u7684\u4f18\u70b9<br><br>\u94dc\u586b\u5145\u901a\u5b54\u4e4b\u6240\u4ee5\u5fc5\u8981\uff0c\u662f\u56e0\u4e3a\u5b83\u4eec\u80fd\u589e\u5f3a\u901a\u5b54\u7684\u5bfc\u70ed\u6027\u3002\u8fd9\u5728\u6d89\u53ca\u9ad8\u70ed\u91cf\u7684\u5e94\u7528\u4e2d\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u6709\u52a9\u4e8e\u4f7f\u70ed\u91cf\u8fdc\u79bb\u7535\u8def\u677f\uff0c\u4ece\u800c\u5ef6\u957f\u7535\u8def\u677f\u7684\u4f7f\u7528\u5bff\u547d\u5e76\u9632\u6b62\u51fa\u73b0\u7f3a\u9677\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-are-the-components-both-sides-of-2-layer-pcb\">\u53cc\u5c42\u5370\u5237\u7535\u8def\u677f\u7684\u4e24\u9762\u90fd\u6709\u54ea\u4e9b\u7ec4\u4ef6<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u53cc\u5c42\u5370\u5237\u7535\u8def\u677f\u53c8\u79f0\u53cc\u9762\u5370\u5237\u7535\u8def\u677f\uff0c\u7531\u4e0a\u4e0b\u4e24\u9762\u90fd\u9540\u94dc\u7684\u5370\u5237\u7535\u8def\u677f\u7ec4\u6210\u3002\u4e2d\u95f4\u5c42\u662f\u5370\u5237\u7535\u8def\u677f\u5e38\u7528\u7684\u7edd\u7f18\u6750\u6599\u3002\u8fd9\u79cd\u8bbe\u8ba1\u5141\u8bb8\u5728\u4e24\u9762\u8fdb\u884c\u5e03\u5c40\u548c\u710a\u63a5\uff0c\u4f7f\u5e03\u5c40\u66f4\u5bb9\u6613\uff0c\u964d\u4f4e\u4e86\u5de5\u827a\u96be\u5ea6\u3002\u56e0\u6b64\uff0c\u5b83\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u573a\u5408\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-distance-between-two-holes-in-a-pcb\">\u5370\u5237\u7535\u8def\u677f\u4e0a\u4e24\u4e2a\u5b54\u4e4b\u95f4\u7684\u8ddd\u79bb\u662f\u591a\u5c11<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5370\u5237\u7535\u8def\u677f\u4e0a\u4e24\u4e2a\u5b54\u4e4b\u95f4\u7684\u8ddd\u79bb\u53d6\u51b3\u4e8e\u5b54\u7684\u7c7b\u578b\u3002\u5bf9\u4e8e PTH\uff0c\u4ece\u952e\u5408\u710a\u76d8\u5230\u5b54\u5230\u8f6e\u5ed3\u7684\u6700\u5c0f\u8ddd\u79bb\u5e94\u81f3\u5c11\u4e3a 20mil (D\u226520mil)\u3002\u81f3\u4e8e NPTH\uff0c\u5efa\u8bae\u4ece\u5b54\u5230\u8f6e\u5ed3\u7684\u6700\u5c0f\u8ddd\u79bb\u4e3a 40mil (E\u226540mil)\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-4-layer-throughhole-pcb\">\u4ec0\u4e48\u662f 4 \u5c42\u901a\u5b54\u5370\u5237\u7535\u8def\u677f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>4 \u5c42\u901a\u5b54\u5370\u5237\u7535\u8def\u677f\u662f\u4e00\u79cd\u7531\u56db\u5c42\u73bb\u7483\u7ea4\u7ef4\u7ec4\u6210\u7684\u5370\u5237\u7535\u8def\u677f\u3002\u5404\u5c42\u5305\u62ec\u9876\u5c42\u3001\u5e95\u5c42\u3001VCC \u548c GND\uff0c\u901a\u8fc7\u901a\u5b54\u3001\u57cb\u5b54\u548c\u76f2\u5b54\u8fde\u63a5\u3002\u4e0e\u53cc\u9762\u677f\u76f8\u6bd4\uff0c4 \u5c42\u901a\u5b54\u5370\u5237\u7535\u8def\u677f\u5177\u6709\u66f4\u591a\u7684\u57cb\u5b54\u548c\u76f2\u5b54\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"can-you-drill-out-holes-in-a-pcb\">\u80fd\u5426\u5728\u5370\u5237\u7535\u8def\u677f\u4e0a\u94bb\u5b54<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u65e0\u8bba\u662f\u9700\u8981\u5b89\u88c5\u5b54\u7684\u5355\u5c42\u5370\u5237\u7535\u8def\u677f\uff0c\u8fd8\u662f\u9700\u8981\u901a\u5b54\u7684\u591a\u5c42\u5370\u5237\u7535\u8def\u677f\uff0c\u94bb\u5b54\u5728\u5370\u5237\u7535\u8def\u677f\u7684\u5236\u9020\u8fc7\u7a0b\u4e2d\u90fd\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e24\u79cd\u7c7b\u578b\u7684\u94bb\u5b54\u90fd\u662f\u5fc5\u8981\u7684\uff0c\u6b64\u5916\u8fd8\u6709\u5176\u4ed6\u53d8\u5316\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-minimum-hole-size-for-a-pcb\">\u5370\u5237\u7535\u8def\u677f\u7684\u6700\u5c0f\u5b54\u5f84\u662f\u591a\u5c11<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u8fd9\u79cd\u94bb\u5b54\u6280\u672f\u4f7f\u7528\u7684\u94bb\u5934\u6700\u5c0f\u76f4\u5f84\u7ea6\u4e3a 6 \u5bc6\u8033\uff080.006 \u82f1\u5bf8\uff09\uff0c\u8fd9\u662f\u5728\u5370\u5237\u7535\u8def\u677f\u4e0a\u80fd\u94bb\u51fa\u7684\u6700\u5c0f\u5b54\u5f84\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-tap-is-best-for-through-holes\">\u54ea\u79cd\u4e1d\u9525\u6700\u9002\u5408\u901a\u5b54<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5bf9\u4e8e\u901a\u5b54\uff0c\u5efa\u8bae\u4f7f\u7528\u76f4\u69fd\u4e1d\u9525\uff0c\u8fd9\u79cd\u4e1d\u9525\u65e2\u9002\u7528\u4e8e\u901a\u5b54\uff0c\u4e5f\u9002\u7528\u4e8e\u76f2\u5b54\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-rule-of-thumb-for-thread-depth\">\u87ba\u7eb9\u6df1\u5ea6\u7684\u7ecf\u9a8c\u6cd5\u5219\u662f\u4ec0\u4e48\uff1f<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u7684\u87ba\u7eb9\u556e\u5408\uff0c\u4e00\u822c\u5efa\u8bae\u87ba\u7eb9\u6df1\u5ea6\u4e3a\u87ba\u9489\u76f4\u5f84\u7684 1 1\/2 \u500d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u87ba\u9489\u76f4\u5f84\u4e3a 1\/4 \u82f1\u5bf8\uff0c\u5219\u6240\u9700\u7684\u87ba\u7eb9\u6df1\u5ea6\u4e3a (1.5 x .25) = .375\u82f1\u5bf8\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u68c0\u4fee\u5b54<\/p>\n<p>\u68c0\u4fee\u5b54\u662f\u5370\u5237\u7535\u8def\u677f\uff08PCB\uff09\u4e0a\u7684\u5b54\uff0c\u7528\u4e8e\u68c0\u4fee\u7535\u8def\u677f\u5185\u5c42\u3002<\/p>","protected":false},"author":1,"featured_media":4750,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Access Holes","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[15],"tags":[13],"class_list":["post-4896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/posts\/4896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/comments?post=4896"}],"version-history":[{"count":2,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/posts\/4896\/revisions"}],"predecessor-version":[{"id":4903,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/posts\/4896\/revisions\/4903"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/media\/4750"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/media?parent=4896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/categories?post=4896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/zh_hk\/wp-json\/wp\/v2\/tags?post=4896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}