{"id":7204,"date":"2024-02-19T01:00:39","date_gmt":"2024-02-19T09:00:39","guid":{"rendered":"https:\/\/shengenfab.com\/?p=7204"},"modified":"2025-03-06T20:10:17","modified_gmt":"2025-03-07T04:10:17","slug":"brazing-vs-welding","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/ja\/brazing-vs-welding\/","title":{"rendered":"\u308d\u3046\u4ed8\u3051 vs \u6eb6\u63a5\uff1a\u3042\u306a\u305f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u306a\u306e\u306f\u3069\u3061\u3089\u3067\u3059\u304b?"},"content":{"rendered":"
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Are you stuck deciding between brazing and welding for your next metal fabrication project? Both methods join metals but differ in strength, cost, and application. How do you decide which one suits your project best? Let’s break it down.<\/p>

Brazing joins metals using a filler that melts above 840\u00b0F but stays below the base metals’ melting points. It does not dissolve the base metals, keeping them intact. Welding melts and fuses the metals, creating a strong bond. Brazing works well for thin, different, or heat-sensitive metals, while welding is better for high-strength and outdoor jobs.<\/p>

Want to know which method will work best for your specific project needs? Let’s compare these two metal joining techniques to help you make the right choice.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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<\/p>

\u308d\u3046\u4ed8\u3051\u3092\u7406\u89e3\u3059\u308b<\/h2>

<\/p>

\u308d\u3046\u4ed8\u3051\u306f\u3001\u6bcd\u6750\u3092\u6eb6\u304b\u3059\u3053\u3068\u306a\u304f\u91d1\u5c5e\u3092\u63a5\u5408\u3059\u308b\u305f\u3081\u3001\u5f37\u529b\u3067\u30af\u30ea\u30fc\u30f3\u306a\u63a5\u7d9a\u3092\u5fc5\u8981\u3068\u3059\u308b\u591a\u304f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6709\u52b9\u3067\u3042\u308b\u3002<\/p>

<\/p>

\u308d\u3046\u4ed8\u3051\u3068\u306f\uff1f<\/h3>

<\/p>

\u308d\u3046\u4ed8\u3051\u306f\u3001\u6bcd\u6750\u3092\u6eb6\u304b\u3059\u3053\u3068\u306a\u304f\u5f37\u56fa\u306a\u63a5\u5408\u3092\u4f5c\u308a\u51fa\u3059\u91d1\u5c5e\u63a5\u5408\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308b\u3002\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001\u308d\u3046\u6750\u304c\u6bdb\u7d30\u7ba1\u73fe\u8c61\u306b\u3088\u3063\u3066\u63a5\u5408\u90e8\u306b\u6d41\u308c\u8fbc\u3080\u3002<\/p>

<\/p>

\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f840\u00b0F (450\u00b0C) \u4ee5\u4e0a\u3001\u63a5\u5408\u91d1\u5c5e\u306e\u878d\u70b9\u4ee5\u4e0b\u306e\u6e29\u5ea6\u3067\u6a5f\u80fd\u3059\u308b\u3002\u3053\u306e\u91cd\u8981\u306a\u7279\u5fb4\u306b\u3088\u308a\u3001\u308d\u3046\u4ed8\u3051\u306f\u6eb6\u63a5\u3084\u306f\u3093\u3060\u4ed8\u3051\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u4f4e\u71b1\u306e\u305f\u3081\u3001\u8010\u4e45\u6027\u306e\u3042\u308b\u63a5\u5408\u3092\u884c\u3044\u3064\u3064\u3001\u53cd\u308a\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>

<\/p>

\u308d\u3046\u4ed8\u3051\u306b\u306f\u3001\u30c8\u30fc\u30c1\u3001\u7089\u3001\u8a98\u5c0e\u30b3\u30a4\u30eb\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u71b1\u6e90\u304c\u4f7f\u7528\u3055\u308c\u308b\u3002\u305d\u308c\u305e\u308c\u306e\u65b9\u6cd5\u306b\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u751f\u7523\u91cf\u306b\u5fdc\u3058\u305f\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>

<\/p>

\u308d\u3046\u4ed8\u3051\u30d7\u30ed\u30bb\u30b9<\/h3>

<\/p>

\u308d\u3046\u4ed8\u3051\u5de5\u7a0b\u306f\u3001\u4ee5\u4e0b\u306e\u57fa\u672c\u30b9\u30c6\u30c3\u30d7\u306b\u5f93\u3046\uff1a<\/p>

<\/p>

  1. \u91d1\u5c5e\u8868\u9762\u3092\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3057\u3001\u6c5a\u308c\u3001\u6cb9\u3001\u9178\u5316\u7269\u3092\u53d6\u308a\u9664\u304f\u3002<\/li>
  2. \u52a0\u71b1\u4e2d\u306b\u65b0\u305f\u306a\u9178\u5316\u7269\u304c\u5f62\u6210\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u30d5\u30e9\u30c3\u30af\u30b9\u3092\u5857\u5e03\u3059\u308b\u3002<\/li>
  3. Assemble the parts with proper joint clearance (typically 0.001″ to 0.005″)<\/li>
  4. \u71b1\u3092\u52a0\u3048\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u3092\u308d\u3046\u4ed8\u3051\u6e29\u5ea6\u306b\u3059\u308b\u3002<\/li>
  5. \u6bdb\u7d30\u7ba1\u73fe\u8c61\u3067\u6eb6\u3051\u3066\u63a5\u5408\u90e8\u3092\u6d41\u308c\u308b\u91d1\u5c5e\u30d5\u30a3\u30e9\u30fc\u3092\u52a0\u3048\u308b\u3002<\/li>
  6. \u3092\u51b7\u3084\u3059\u3002 \u30a2\u30bb\u30f3\u30d6\u30ea<\/a> \u305d\u3057\u3066\u6b8b\u3063\u305f\u30d5\u30e9\u30c3\u30af\u30b9\u3092\u304d\u308c\u3044\u306b\u53d6\u308a\u9664\u304f<\/li><\/ol>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u3092\u6210\u529f\u3055\u305b\u308b\u306b\u306f\u3001\u308d\u3046\u6750\u304c\u9375\u3068\u306a\u308b\u3002\u6bcd\u6750\u3088\u308a\u3082\u878d\u70b9\u304c\u4f4e\u3044\u304c\u3001\u308d\u3046\u4ed8\u3051\u6e29\u5ea6\u3067\u3088\u304f\u6eb6\u3051\u308b\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u4e00\u822c\u7684\u306a\u308d\u3046\u6750\u306b\u306f\u3001\u9285\u3001\u9280\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u5408\u91d1\u306a\u3069\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u7279\u6709\u306e\u7528\u9014\u304c\u3042\u308b\u3002<\/p>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u65b9\u6cd5\u306e\u7a2e\u985e<\/h3>

    <\/p>

    \u30b5\u30a4\u30ba\u3001\u6750\u8cea\u3001\u751f\u7523\u91cf\u306b\u5fdc\u3058\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u308d\u3046\u4ed8\u3051\u65b9\u6cd5\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/p>

    <\/p>

    \u30c8\u30fc\u30c1\u308d\u3046\u4ed8\u3051<\/h4>

    <\/p>

    Torch brazing uses a hand-held flame to heat the joint area. It’s flexible and portable, and it’s good for repairs and small production runs.<\/p>

    <\/p>

    \u7089\u5185\u308d\u3046\u4ed8\u3051<\/h4>

    <\/p>

    \u7089\u308d\u3046\u4ed8\u3051\u306f\u3001\u5236\u5fa1\u3055\u308c\u305f\u74b0\u5883\u3067\u30a2\u30bb\u30f3\u30d6\u30ea\u5168\u4f53\u3092\u52a0\u71b1\u3059\u308b\u3002\u30d0\u30c3\u30c1\u51e6\u7406\u3084\u8907\u6570\u306e\u63a5\u5408\u90e8\u3092\u6301\u3064\u8907\u96d1\u306a\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>

    <\/p>

    \u8a98\u5c0e\u308d\u3046\u4ed8\u3051<\/h4>

    <\/p>

    Induction brazing uses electromagnetic fields to heat the joint quickly and precisely. It’s fast, clean, and suitable for automated production.<\/p>

    <\/p>

    \u62b5\u6297\u308d\u3046\u4ed8\u3051<\/h4>

    <\/p>

    Resistance brazing passes an electrical current through the joint to generate heat. It’s fast and works well for small, localized joints.<\/p>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u306e\u5229\u70b9<\/h3>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u306b\u306f\u591a\u304f\u306e\u5229\u70b9\u304c\u3042\u308a\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u3067\u3059\u3002<\/p>

    <\/p>

    \u4f4e\u6e29\u5316\u3068\u71b1\u6b6a\u307f\u306e\u4f4e\u6e1b<\/h4>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u306b\u4f7f\u7528\u3055\u308c\u308b\u4f4e\u3044\u6e29\u5ea6\u306f\u3001\u6bcd\u6750\u306e\u71b1\u6b6a\u307f\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u90e8\u54c1\u306e\u5f62\u72b6\u3084\u7279\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u7cbe\u5bc6\u90e8\u54c1\u306b\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>

    <\/p>

    \u7570\u7a2e\u91d1\u5c5e\u306e\u63a5\u5408\u80fd\u529b<\/h4>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u306e\u5927\u304d\u306a\u5229\u70b9\u306e\u3072\u3068\u3064\u306f\u3001\u7570\u306a\u308b\u7a2e\u985e\u306e\u91d1\u5c5e\u3092\u63a5\u5408\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u9285\u3068\u92fc\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306a\u3069\u3001\u6eb6\u63a5\u304c\u96e3\u3057\u3044\u3001\u3042\u308b\u3044\u306f\u4e0d\u53ef\u80fd\u306a\u7d44\u307f\u5408\u308f\u305b\u3067\u3082\u63a5\u5408\u3067\u304d\u308b\u3002<\/p>

    <\/p>

    \u3088\u308a\u30af\u30ea\u30fc\u30f3\u3067\u6b63\u78ba\u306a\u30b8\u30e7\u30a4\u30f3\u30c8<\/h4>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u63a5\u5408\u306f\u3001\u6eb6\u63a5\u63a5\u5408\u3088\u308a\u3082\u304d\u308c\u3044\u3067\u7cbe\u5bc6\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u71b1\u306e\u5f71\u97ff\u304c\u5c11\u306a\u304f\u3001\u7d99\u304e\u76ee\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u308b\u305f\u3081\u3001\u308d\u3046\u4ed8\u3051\u306f\u6d88\u8cbb\u8005\u5411\u3051\u88fd\u54c1\u306e\u76ee\u306b\u898b\u3048\u308b\u7d99\u304e\u76ee\u306b\u6700\u9069\u3067\u3059\u3002<\/p>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u306e\u9650\u754c<\/h3>

    <\/p>

    \u305d\u306e\u5229\u70b9\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u308d\u3046\u4ed8\u3051\u306b\u306f\u8003\u616e\u3059\u3079\u304d\u6b20\u70b9\u3082\u3042\u308b\u3002<\/p>

    <\/p>

    \u6eb6\u63a5\u306b\u6bd4\u3079\u3066\u63a5\u5408\u5f37\u5ea6\u304c\u4f4e\u3044<\/h4>

    <\/p>

    Brazed joints typically aren’t as strong as welded joints, especially under direct tension. While still strong, they may not handle extreme loads as well as welds.<\/p>

    <\/p>

    \u9650\u3089\u308c\u305f\u9ad8\u6e29\u8010\u6027<\/h4>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u63a5\u7d9a\u306f\u3001\u7279\u306b\u91d1\u5c5e\u30d5\u30a3\u30e9\u30fc\u306e\u878d\u70b9\u306b\u8fd1\u3065\u304f\u306b\u3064\u308c\u3066\u3001\u9ad8\u6e29\u3067\u5f31\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u306e\u305f\u3081\u3001\u975e\u5e38\u306b\u9ad8\u6e29\u306e\u74b0\u5883\u3067\u306f\u4f7f\u7528\u304c\u5236\u9650\u3055\u308c\u308b\u3002<\/p>

    <\/p>

    \u6b63\u78ba\u306a\u7d99\u304e\u624b\u306e\u306f\u3081\u8fbc\u307f\u304c\u8981\u6c42\u3055\u308c\u308b<\/h4>

    <\/p>

    \u308d\u3046\u4ed8\u3051\u306b\u306f\u3001\u90e8\u54c1\u9593\u306e\u6b63\u78ba\u306a\u5d4c\u5408\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u9699\u9593\u306f\u3001\u6bdb\u7d30\u7ba1\u73fe\u8c61\u306b\u306f\u5341\u5206\u5c0f\u3055\u304f\u3001\u308d\u3046\u304c\u6d41\u308c\u308b\u306b\u306f\u5341\u5206\u5927\u304d\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u9699\u9593\u304c\u72ed\u3059\u304e\u305f\u308a\u7de9\u3059\u304e\u305f\u308a\u3059\u308b\u3068\u3001\u63a5\u5408\u90e8\u304c\u5f31\u304f\u306a\u3063\u305f\u308a\u7834\u640d\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>

    <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u308d\u3046\u4ed8\u3051\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    <\/p>

    \u6eb6\u63a5\u3092\u7406\u89e3\u3059\u308b<\/h2>

    <\/p>

    Welding creates strong metal bonds by melting and fusing materials at high temperatures. It’s a go-to method for heavy-duty projects.<\/p>

    <\/p>

    \u6eb6\u63a5\u3068\u306f\u4f55\u304b\uff1f<\/h3>

    <\/p>

    \u6eb6\u63a5\u306f\u3001\u91d1\u5c5e\u3092\u6eb6\u304b\u3057\u3066\u63a5\u5408\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308b\u3002\u308d\u3046\u4ed8\u3051\u3068\u306f\u7570\u306a\u308a\u3001\u6eb6\u63a5\u306f\u6bcd\u6750\u3068\u6eb6\u52a0\u6750\u3092\u6eb6\u304b\u3057\u307e\u3059\u3002<\/p>

    <\/p>

    The process creates a weld pool of molten metal that, once cooled, forms a strong bond. This fusion creates joints that can be as strong as the original metal. The high heat changes the structure of the metal in what’s called the heat-affected zone.<\/p>

    <\/p>

    \u6eb6\u63a5\u306f\u3001\u63a5\u5408\u90e8\u306b\u5f37\u3044\u71b1\u3092\u52a0\u3048\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3059\u308b\u3002\u3053\u306e\u71b1\u306f\u3001\u96fb\u6c17\u30a2\u30fc\u30af\u3001\u30ac\u30b9\u708e\u3001\u30ec\u30fc\u30b6\u30fc\u3001\u6469\u64e6\u306a\u3069\u304b\u3089\u767a\u751f\u3059\u308b\u3002\u6eb6\u63a5\u65b9\u6cd5\u306b\u3088\u3063\u3066\u306f\u3001\u5727\u529b\u3092\u4f7f\u3063\u3066\u63a5\u5408\u3092\u5f62\u6210\u3059\u308b\u3082\u306e\u3082\u3042\u308b\u3002<\/p>

    <\/p>

    \u6eb6\u63a5\u30d7\u30ed\u30bb\u30b9<\/h3>

    <\/p>

    \u57fa\u672c\u7684\u306a\u6eb6\u63a5\u5de5\u7a0b\u306f\u6b21\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\uff1a<\/p>

    <\/p>

    1. \u91d1\u5c5e\u8868\u9762\u3092\u6e05\u6383\u3057\u3001\u6c5a\u308c\u3092\u53d6\u308a\u9664\u304f\u3002<\/li>
    2. \u9069\u5207\u306a\u63a5\u5408\u6e96\u5099\u3067\u3001\u90e8\u54c1\u3092\u6b63\u3057\u3044\u4f4d\u7f6e\u306b\u30bb\u30c3\u30c8\u3059\u308b<\/li>
    3. \u71b1\u3092\u52a0\u3048\u3066\u63a5\u5408\u90e8\u306e\u6bcd\u6750\u3092\u6eb6\u304b\u3059\u3002<\/li>
    4. \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5145\u586b\u6750\u3092\u52a0\u3048\u308b<\/li>
    5. \u6eb6\u63a5\u30d7\u30fc\u30eb\u3092\u51b7\u5374\u3057\u3001\u51dd\u56fa\u3055\u305b\u308b\u3002<\/li>
    6. \u5b8c\u6210\u3057\u305f\u6eb6\u63a5\u90e8\u306e\u6e05\u6383\u3068\u691c\u67fb<\/li><\/ol>

      <\/p>

      \u6eb6\u63a5\u306e\u4e3b\u306a\u8981\u56e0\u306f\u71b1\u3067\u3042\u308b\u3002\u6bcd\u6750\u3092\u6eb6\u304b\u3059\u306b\u306f\u5341\u5206\u306a\u5f37\u5ea6\u304c\u5fc5\u8981\u3067\u3001\u305d\u306e\u305f\u3081\u306b\u306f\u901a\u5e38\u30013000\u00b0F (1650\u00b0C)\u4ee5\u4e0a\u306e\u6e29\u5ea6\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/p>

      <\/p>

      \u4e00\u822c\u7684\u306a\u6eb6\u63a5\u6280\u8853<\/h3>

      <\/p>

      \u6eb6\u63a5\u306e\u4e16\u754c\u306b\u306f\u591a\u304f\u306e\u65b9\u6cd5\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u7279\u6709\u306e\u7528\u9014\u3068\u5229\u70b9\u304c\u3042\u308b\u3002<\/p>

      <\/p>

      \u30a2\u30fc\u30af\u6eb6\u63a5<\/h4>

      <\/p>

      \u30a2\u30fc\u30af\u6eb6\u63a5\u306f\u3001\u96fb\u6c17\u30a2\u30fc\u30af\u3092\u4f7f\u3063\u3066\u71b1\u3092\u767a\u751f\u3055\u305b\u308b\u3002<\/p>

      <\/p>

      \u4e00\u822c\u7684\u306a\u30bf\u30a4\u30d7\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>

      <\/p>