{"id":17985,"date":"2025-05-12T13:34:08","date_gmt":"2025-05-12T04:34:08","guid":{"rendered":"https:\/\/www.japanunix.com\/en\/?post_type=column&#038;p=17985"},"modified":"2026-01-28T13:12:45","modified_gmt":"2026-01-28T04:12:45","slug":"lets-try-soldering-high-heat-capacity-power-supply-terminal-by-tip-soldering-and-laser","status":"publish","type":"column","link":"https:\/\/www.japanunix.com\/en\/column\/lets-try-soldering-high-heat-capacity-power-supply-terminal-by-tip-soldering-and-laser\/","title":{"rendered":"Let&#8217;s Try Soldering! High Heat Capacity &#8211; Power Supply Terminal by Tip Soldering and Laser"},"content":{"rendered":"<div class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<div class=\"heading-title-image\">\n<div class=\"_utility-wrapper\">\n<div class=\"_date\">May 13, 2025<\/div>\n<div class=\"_category\">YOUTUBE Article!<\/div>\n<\/p><\/div>\n<div class=\"_image-wrapper\">\n<div class=\"_image\"><img decoding=\"async\" src=\"\/wp\/wp-content\/uploads\/2022\/11\/japanunix_youtube.jpg\" alt=\"\" \/>\n                    <\/div>\n<div class=\"_text\">\n<p class=\"_title\">22nd YOUTUBE Article!<br \/>Let&#8217;s Try Soldering Series: Power Terminals<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"col-md-12\">\n<h3>Table of Contents<\/h3>\n<ul class=\"list-contents\">\n<li><a href=\"#01\">Introduction<\/a><\/li>\n<li><a href=\"#02\">Tip Soldering<\/a><\/li>\n<li><a href=\"#03\">Laser Soldering<\/a><\/li>\n<li><a href=\"#04\">Conclusion<\/a><\/li>\n<li><a href=\"#05\">Related Products &#038; Services<\/a><\/li>\n<li><a href=\"#06\">Video of This Article<\/a><\/li>\n<\/ul>\n<div class=\"panel-light\">\n<div class=\"_header\">Download Materials<\/div>\n<div class=\"_body\"><mark>\uff3cOver 1,000 installations both domestically and internationally\uff0f<\/mark>Introduction materials for Japan Unix products and services<\/p>\n<div class=\"row-lg-2\">\n<div class=\"col\"><a class=\"btn-primary btn-animation btn-block btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/contact\/download_catalog\">Download Now<\/a><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<hr class=\"hr-color-dark\">\n<div id=\"00\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-5\">\n<p>\n                <a class=\"btn-primary btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/products\/automation\/\">Click here for automatic soldering robots<\/a>\n            <\/p>\n<p>\n                <a class=\"btn-primary btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/products\/laser\/\">Click here for laser soldering<\/a>\n            <\/p>\n<\/p><\/div>\n<div class=\"col-md-7\">\n<div class=\"js-modal-video\" data-modal=\"#modal-media-target\" data-video-id=\"uFWHXpf6or4\">\n<div class=\"_thumb\"><img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/uFWHXpf6or4\/maxresdefault.jpg\" alt=\"\" \/><\/div>\n<\/p><\/div>\n<h5>Here is the video for this article<\/h5>\n<\/p><\/div>\n<\/p><\/div>\n<p><!-- ------------------\u3053\u3053\u304b\u3089\u30c6\u30fc\u30de------------------- --><\/p>\n<div id=\"01\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">What is automatic soldering of power terminals used for?<\/h2>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"row\">\n<div class=\"col-md-7 order-md-2\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;Hello everyone. This is Nakano from Japan Unix.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;I am Yanaka from the Technical Department. Nice to meet you.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;Today, we are discussing <span class=\"text-size-medium\"><strong><mark>power terminals<\/mark><\/strong><\/span>,. Globally, there is an increase in products that handle large currents, such as large motors and chargers.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;Soldering of power terminals is increasing for large products such as <span class=\"text-size-medium\"><strong><mark>electric vehicles, robots, and smart meters<\/mark><\/strong><\/span>.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;<span class=\"text-size-medium\"><strong><mark>The heat capacity is also large<\/mark><\/strong><\/span>, so it seems that the difficulty of soldering will increase.<br \/>\n            <\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-1\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_1.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_2.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_4.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p><!-- ------------------\u3053\u3053\u304b\u3089\u3053\u3066\u306f\u3093\u3060\u4ed8\u3051------------------- --><\/p>\n<div id=\"02\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Automatic Tip Soldering of Power Terminals<\/h2>\n<\/p><\/div>\n<div class=\"col-md-7 order-md-1\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;First, we have a video of tip soldering, so please take a look. Here it is. This is a product soldered with a soldering tip. Although it&#8217;s a sample board, the through-holes are properly filled without any issues. Please tell us about the precautions for soldering power terminals.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;The main feature is that both the board side and the terminal side have a very <span class=\"text-size-medium\"><strong><mark>large heat capacity<\/mark><\/strong><\/span>. Therefore, it is necessary <span class=\"text-size-medium\"><strong><mark>to increase the heater temperature or extend the contact time.<\/mark><\/strong><\/span>. Also, a point to note is that if the soldering tip temperature is raised too much or the contact time is extended too long, the flux may become inactive, leading to <span class=\"text-size-medium\"><strong><mark>insufficient filling of through-holes or poor wetting on the surface<\/mark><\/strong><\/span>.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;So it means that pre-verification of soldering conditions and selection of optimal soldering materials are necessary.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;That&#8217;s right.<br \/>\n            <\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-2\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_7.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_8.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_9.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_10.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p><!-- ------------------\u3053\u3053\u304b\u3089\u30ec\u30fc\u30b6\u30fc\u306f\u3093\u3060\u4ed8\u3051------------------- --><\/p>\n<div id=\"03\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Laser Soldering of Power Terminals<\/h2>\n<\/p><\/div>\n<div class=\"col-md-7 order-md-2\">\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;Next, let&#8217;s take a look at laser soldering. Here it is. This is the product soldered with a laser. It is also soldered cleanly without any issues. Please tell us about the features and precautions of laser soldering.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;Yes. In the case of <span class=\"text-size-medium\"><strong><mark>oval or rectangular pads<\/mark><\/strong><\/span>, heat tends to not spread well throughout. However, if you increase the laser output too much or extend the irradiation time too long, there is a possibility of <span class=\"text-size-medium\"><strong><mark>damaging the components<\/mark><\/strong><\/span>, so you need to be careful.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;For lasers, strict temperature control is necessary to prevent burning the components.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;Therefore, as a countermeasure, <span class=\"text-size-medium\"><strong><mark>temperature management using a non-contact thermometer<\/mark><\/strong><\/span> during the experimental phase is effective.<br \/>\n            <\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-1\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_11.jpg\" \/><\/div>\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_12.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p><!-- ------------------\u3053\u3053\u304b\u3089\u307e\u3068\u3081------------------- --><\/p>\n<div id=\"04\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Conclusion<\/h2>\n<\/p><\/div>\n<div class=\"col-md-7 order-md-1\">\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;<span class=\"text-size-medium\"><strong><mark>Adjusting soldering conditions<\/mark><\/strong><\/span> is a very important factor in soldering. We will firmly support you in this regard, so please feel assured.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;Thank you very much, Mr. Yanaka, for today.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-light\">Yana<\/span>&emsp;Thank you very much.<br \/>\n            <\/span><\/p>\n<p><span class=\"text-size-small\"><span class=\"label-primary\">Naka<\/span>&emsp;For soldering automation experiments, please feel free to contact Japan Unix. See you in the next video. Goodbye.<br \/>\n            <\/span><\/p>\n<\/p><\/div>\n<div class=\"col-md-5 order-md-2\">\n<div class=\"_image align-center mb-4\"><img decoding=\"async\" src=\"https:\/\/www.japanunix.com\/en\/wp\/wp-content\/uploads\/2025\/04\/PSTEN_13.jpg\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<hr class=\"hr-color-dark\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<div class=\"panel-light\">\n<div class=\"_header\">Download Materials<\/div>\n<div class=\"_body\"><mark>\uff3cOver 1,000 installations both domestically and internationally\uff0f<\/mark>Introduction materials for Japan Unix products and services<\/p>\n<div class=\"row-lg-2\">\n<div class=\"col\"><a class=\"btn-primary btn-animation btn-block btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/contact\/download_catalog\">Download Now<\/a><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p><!-- ------------------\u3053\u3053\u304b\u3089\u95a2\u9023\u88fd\u54c1\u30fb\u30b5\u30fc\u30d3\u30b9------------------- --><\/p>\n<div id=\"05\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Related Products &#038; Services<\/h2>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<p>\n                    <a class=\"btn-primary btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/products\/automation\/\">Click here for automatic soldering robots<\/a>\n                <\/p>\n<p>\n                    <a class=\"btn-primary btn-icon-next\" href=\"https:\/\/www.japanunix.com\/en\/products\/laser\/\">Click here for laser soldering<\/a>\n                <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p><!-- ------------------\u3053\u3053\u304b\u3089\u30b3\u30e9\u30e0\u306e\u52d5\u753b------------------- --><\/p>\n<div id=\"06\" class=\"c-box\">\n<div class=\"row\">\n<div class=\"col-md-12\">\n<h2 class=\"heading-title\">Video of This Article<\/h2>\n<\/p><\/div>\n<div class=\"col-md-6\">\n<div class=\"js-modal-video\" data-modal=\"#modal-media-target\" data-video-id=\"uFWHXpf6or4\">\n<div class=\"_thumb\"><img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/uFWHXpf6or4\/maxresdefault.jpg\" alt=\"\" \/><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"featured_media":0,"template":"","column_category":[296,308,307,298,303,302],"column_tag":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column\/17985"}],"collection":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column"}],"about":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/types\/column"}],"wp:attachment":[{"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/media?parent=17985"}],"wp:term":[{"taxonomy":"column_category","embeddable":true,"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column_category?post=17985"},{"taxonomy":"column_tag","embeddable":true,"href":"https:\/\/www.japanunix.com\/en\/wp-json\/wp\/v2\/column_tag?post=17985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}