{"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\/vi\/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

\"Tham
Tham chi\u1ebfu k\u00edch th\u01b0\u1edbc gh\u00e9p n\u1ed1i NM<\/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

\"Tr\u00ecnh
Tr\u00ecnh t\u1ef1 l\u1eafp \u0111\u1eb7t kh\u1edbp n\u1ed1i NM<\/figcaption><\/figure>\n

Model Comparison<\/h2>\n
\"H\u00ecnh<\/a>

Kh\u1edbp n\u1ed1i h\u00e0m linh ho\u1ea1t NM 50<\/a><\/h3>
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 7-19 mm<\/span>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 12500 v\u00f2ng\/ph\u00fat<\/span>Tr\u1ecdng l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng 1,3 kg*m<\/span><\/div>Xem chi ti\u1ebft<\/a><\/div><\/article>
\"H\u00ecnh<\/a>

Kh\u1edbp n\u1ed1i h\u00e0m linh ho\u1ea1t NM 67<\/a><\/h3>
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 8-28 mm<\/span>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 10000 v\u00f2ng\/ph\u00fat<\/span>Tr\u1ecdng l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng: 2,2 kg*m<\/span><\/div>Xem chi ti\u1ebft<\/a><\/div><\/article>
\"H\u00ecnh<\/a>

Kh\u1edbp n\u1ed1i h\u00e0m linh ho\u1ea1t NM 82<\/a><\/h3>
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 10-32 mm<\/span>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 8000 v\u00f2ng\/ph\u00fat<\/span>B\u00ecnh th\u01b0\u1eddng 5,0 Kg*m<\/span><\/div>Xem chi ti\u1ebft<\/a><\/div><\/article>
\"H\u00ecnh<\/a>

Kh\u1edbp n\u1ed1i h\u00e0m linh ho\u1ea1t NM 97<\/a><\/h3>
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 10-42 mm<\/span>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 7000 v\u00f2ng\/ph\u00fat<\/span>Tr\u1ecdng l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng 10,5 kg*m<\/span><\/div>Xem chi ti\u1ebft<\/a><\/div><\/article>
\"H\u00ecnh<\/a>

Kh\u1edbp n\u1ed1i h\u00e0m linh ho\u1ea1t NM 112<\/a><\/h3>
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 14-48 mm<\/span>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 6000 v\u00f2ng\/ph\u00fat<\/span>Tr\u1ecdng l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng: 16,7 kg*m<\/span><\/div>Xem chi ti\u1ebft<\/a><\/div><\/article>
\"H\u00ecnh<\/a>

Kh\u1edbp n\u1ed1i h\u00e0m linh ho\u1ea1t NM 128<\/a><\/h3>
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 18-55 mm<\/span>T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a 5000 v\u00f2ng\/ph\u00fat<\/span>Tr\u1ecdng l\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng: 26,7 kg*m<\/span><\/div>Xem chi ti\u1ebft<\/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\udca1L\u01b0u \u00fd \u0111\u1eb7t h\u00e0ng nhanh: C\u00e1c linh ki\u1ec7n ti\u00eau chu\u1ea9n c\u00f3 s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u (MOQ). C\u00e1c m\u1eb7t h\u00e0ng l\u1edbn c\u00f3 gi\u00e1 tr\u1ecb cao \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean t\u1ed5ng gi\u00e1 tr\u1ecb \u0111\u01a1n h\u00e0ng. C\u00f3 s\u1eb5n m\u1eabu 1-5 chi\u1ebfc cho kh\u00e1ch h\u00e0ng m\u1edbi v\u1edbi gi\u00e1 m\u1eabu. C\u00e1c m\u1eabu k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 \u0111\u1ea1t gi\u00e1 tr\u1ecb l\u00ean \u0111\u1ebfn 1.500 USD. Gia c\u00f4ng \u0111\u1eb7c bi\u1ec7t b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi k\u00edch th\u01b0\u1edbc l\u00f4 gia c\u00f4ng. \u0110\u01a1n h\u00e0ng 1-2 chi\u1ebfc c\u00f3 gi\u00e1 cao h\u01a1n. Ch\u00fang t\u00f4i hoan ngh\u00eanh c\u00e1c d\u1ef1 \u00e1n \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1. \u0110\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 hi\u1ec7u qu\u1ea3, vui l\u00f2ng n\u00eau r\u00f5 trong email c\u1ee7a b\u1ea1n: m\u00e3 s\u1ea3n ph\u1ea9m, ng\u00e0nh ngh\u1ec1, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh.<\/p>","protected":false},"excerpt":{"rendered":"

    M\u1ed9t danh s\u00e1ch ki\u1ec3m tra th\u1ef1c t\u1ebf \u0111\u1ec3 xem x\u00e9t m\u00f4-men xo\u1eafn, t\u1ed1c \u0111\u1ed9, k\u00edch th\u01b0\u1edbc tr\u1ee5c, t\u1ea3i kh\u1edfi \u0111\u1ed9ng v\u00e0 m\u00f4i tr\u01b0\u1eddng tr\u01b0\u1edbc khi ch\u1ecdn m\u00f4 h\u00ecnh tham chi\u1ebfu NM.<\/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\/vi\/wp-json\/wp\/v2\/posts\/900","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/comments?post=900"}],"version-history":[{"count":1,"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/posts\/900\/revisions"}],"predecessor-version":[{"id":922,"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/posts\/900\/revisions\/922"}],"wp:attachment":[{"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/media?parent=900"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/categories?post=900"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nmcoupling.net\/vi\/wp-json\/wp\/v2\/tags?post=900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}