{"id":900,"date":"2026-09-04T10:09:40","date_gmt":"2026-09-04T10:09:40","guid":{"rendered":"https:\/\/nmcoupling.net\/how-to-choose-nm-coupling-for-air-compressor\/"},"modified":"2026-09-04T10:09:40","modified_gmt":"2026-09-04T10:09:40","slug":"how-to-choose-nm-coupling-for-air-compressor","status":"publish","type":"post","link":"https:\/\/nmcoupling.net\/ja\/how-to-choose-nm-coupling-for-air-compressor\/","title":{"rendered":"How To Choose An NM Coupling For An Air Compressor"},"content":{"rendered":"

How To Choose An NM Coupling For An Air Compressor<\/h1>\n

Air compressor coupling selection starts with the drive data, not with coupling diameter. Confirm motor power and speed or transmitted torque, both shaft diameters, start\/stop frequency, duty cycle and the environment around the drive.<\/p>\n

\"Air
Air compressor with coupling location<\/figcaption><\/figure>\n

Start With Torque And Speed<\/h2>\n

Use the motor power and operating speed to establish the steady torque, then account for the real start-up and transient behavior of the compressor. The selected coupling should be reviewed against the applicable normal and transient load basis rather than assuming that a \u201cmaximum\u201d table value is a continuous rating.<\/p>\n

Check Both Shaft Sizes<\/h2>\n

Compare the driver and driven shaft diameters with the candidate model bore range. A larger coupling may be necessary because of shaft size even when the torque is modest. Provide keyway details and any shoulder or hub-length limits.<\/p>\n

\"NM
NM coupling dimension reference<\/figcaption><\/figure>\n

Review The Environment<\/h2>\n

State temperature, oil exposure, contamination, ventilation and maintenance access. The exact flexible-element compound should be confirmed for the service environment rather than guessed from appearance.<\/p>\n

Alignment And Installation<\/h2>\n

Align the shafts before installing the flexible element. Verify hub spacing and fastening, then inspect for abnormal noise, heat or repeated wear after commissioning.<\/p>\n

\"NM\u30ab\u30c3\u30d7\u30ea\u200b\u200b\u30f3\u30b0\u306e\u8a2d\u7f6e\u624b\u9806\"
NM\u30ab\u30c3\u30d7\u30ea\u200b\u200b\u30f3\u30b0\u306e\u8a2d\u7f6e\u624b\u9806<\/figcaption><\/figure>\n

Model Comparison<\/h2>\n
\"NM<\/a>

NM 50 \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u30b8\u30e7\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0<\/a><\/h3>
\u30dc\u30a2\u5f847\uff5e19mm<\/span>\u6700\u5927\u56de\u8ee2\u657012500rpm<\/span>\u901a\u5e381.3kg*m<\/span><\/div>\u8a73\u7d30\u3092\u898b\u308b<\/a><\/div><\/article>
\"NM<\/a>

NM 67 \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u30b8\u30e7\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0<\/a><\/h3>
\u30dc\u30a2\u5f848\uff5e28mm<\/span>\u6700\u5927\u56de\u8ee2\u657010000rpm<\/span>\u901a\u5e38 2.2 kg\u30fbm<\/span><\/div>\u8a73\u7d30\u3092\u898b\u308b<\/a><\/div><\/article>
\"NM<\/a>

NM 82 \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u30b8\u30e7\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0<\/a><\/h3>
\u30dc\u30a2\u5f8410\uff5e32mm<\/span>\u6700\u5927\u56de\u8ee2\u65708000rpm<\/span>\u901a\u5e385.0kg*m<\/span><\/div>\u8a73\u7d30\u3092\u898b\u308b<\/a><\/div><\/article>
\"NM<\/a>

NM 97 \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u30b8\u30e7\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0<\/a><\/h3>
\u30dc\u30a2\u5f8410\uff5e42mm<\/span>\u6700\u5927\u56de\u8ee2\u65707000rpm<\/span>\u901a\u5e3810.5kg*m<\/span><\/div>\u8a73\u7d30\u3092\u898b\u308b<\/a><\/div><\/article>
\"NM<\/a>

NM 112 \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u30b8\u30e7\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0<\/a><\/h3>
\u30dc\u30a2\u5f8414\uff5e48mm<\/span>\u6700\u5927\u56de\u8ee2\u65706000rpm<\/span>\u901a\u5e3816.7kg*m<\/span><\/div>\u8a73\u7d30\u3092\u898b\u308b<\/a><\/div><\/article>
\"NM<\/a>

NM 128 \u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u30b8\u30e7\u30fc\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0<\/a><\/h3>
\u30dc\u30a2\u5f8418\uff5e55mm<\/span>\u6700\u5927\u56de\u8ee2\u65705000rpm<\/span>\u901a\u5e3826.7kg*m<\/span><\/div>\u8a73\u7d30\u3092\u898b\u308b<\/a><\/div><\/article><\/div>\n
\"NM
NM flexible jaw coupling<\/figcaption><\/figure>\n

Key Takeaways<\/h2>\n
    \n
  • Torque, speed and both bores must all fit.<\/li>\n
  • Starting duty matters for compressor applications.<\/li>\n
  • Element specification depends on environment.<\/li>\n
  • Final bore\/keyway work should follow the approved drawing.<\/li>\n<\/ul>\n

    \ud83d\udca1\u30af\u30a4\u30c3\u30af\u30aa\u30fc\u30c0\u30fc\u30ea\u30de\u30a4\u30f3\u30c0\u30fc \u6a19\u6e96\u90e8\u54c1\u306b\u306f\u6700\u4f4e\u767a\u6ce8\u6570\u91cf\uff08MOQ\uff09\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u984d\u5927\u578b\u5546\u54c1\u306f\u3001\u6ce8\u6587\u7dcf\u984d\u306b\u57fa\u3065\u3044\u3066\u4fa1\u683c\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002\u65b0\u898f\u306e\u304a\u5ba2\u69d8\u306b\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u4fa1\u683c\u30671\uff5e5\u500b\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u3054\u63d0\u4f9b\u3044\u305f\u3057\u307e\u3059\u3002\u30e2\u30c7\u30eb\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u5408\u8a08\u91d1\u984d\u306f1,500\u7c73\u30c9\u30eb\u306b\u9054\u3057\u307e\u3059\u3002\u7279\u6b8a\u52a0\u5de5\u306f\u3001\u52a0\u5de5\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u306b\u3088\u3063\u3066\u5236\u9650\u3055\u308c\u307e\u3059\u30021\uff5e2\u500b\u306e\u3054\u6ce8\u6587\u306f\u3001\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u7279\u5225\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3082\u8a55\u4fa1\u306e\u305f\u3081\u306b\u6b53\u8fce\u3044\u305f\u3057\u307e\u3059\u3002\u52b9\u7387\u7684\u306a\u898b\u7a4d\u3082\u308a\u306e\u200b\u200b\u305f\u3081\u306b\u3001\u30e1\u30fc\u30eb\u306b\u88fd\u54c1\u30e2\u30c7\u30eb\u3001\u696d\u754c\u3001\u7528\u9014\u3001\u4e3b\u8981\u4ed5\u69d8\u3092\u660e\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"

    A practical checklist for reviewing torque, speed, shaft sizes, starting load and environment before choosing an NM reference model.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-900","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/posts\/900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/comments?post=900"}],"version-history":[{"count":1,"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/posts\/900\/revisions"}],"predecessor-version":[{"id":922,"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/posts\/900\/revisions\/922"}],"wp:attachment":[{"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/media?parent=900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/categories?post=900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nmcoupling.net\/ja\/wp-json\/wp\/v2\/tags?post=900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}