{"id":11836,"date":"2026-06-26T09:02:23","date_gmt":"2026-06-26T09:02:23","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=11836"},"modified":"2026-06-26T09:02:27","modified_gmt":"2026-06-26T09:02:27","slug":"overhead-crane-brake-wheel-and-brake-disc-runout-tolerances","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/sw\/posts\/overhead-crane-brake-wheel-and-brake-disc-runout-tolerances\/","title":{"rendered":"Uvumilivu wa Kukimbia kwa Gurudumu la Breki la Juu ya Kreni na Uvumilivu wa Kukimbia kwa Diski ya Breki \u2014 Mwongozo Kamili kwa Aina ya Kreni"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Jedwali la Yaliyomo<\/p><nav><ul><li><a href=\"#1-general-gantry-and-overhead-crane-brake-wheel-and-brake-disc\">1. Gurudumu la Breki na Diski ya Breki ya Gantry ya Jumla na Kreni ya Juu<\/a><\/li><li><a href=\"#2-portal-cranes-brake-wheel-and-brake-disc\">2. Gurudumu la Breki la Kreni za Lango na Diski ya Breki<\/a><\/li><li><a href=\"#3-ship-to-shore-sts-container-cranes-brake-wheel-and-brake-disc\">3. Kreni za Kontena za Kusafirisha hadi Ufukweni (STS) Breki Gurudumu na Diski ya Breki<\/a><\/li><li><a href=\"#4-container-gantry-cranes-rail-mounted-and-rubber-tyred-brake-wheel-and-brake-disc\">4. Kreni za Gantry za Kontena (Zilizowekwa kwenye Reli na Tairi ya Mpira) Gurudumu la Breki na Diski ya Breki<\/a><\/li><li><a href=\"#5-brake-shoe-to-wheel-and-shoe-to-disc-clearance\">5. Breki ya Kubadilisha Kiatu hadi Gurudumu na Kibali cha Kubadilisha Kiatu hadi Diski<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Utegemezi wa breki za kreni za juu ni kigezo cha moja kwa moja cha usalama wa uendeshaji. Wakati gurudumu la breki za kreni za juu au diski ya breki imewekwa ikiwa na mzunguko usiovumilika, matokeo yanaweza kutabirika: uchakavu usio sawa wa pedi, kupungua kwa torque ya breki, na katika hali mbaya, breki kushindwa kufanya kazi wakati wa kuinua.<\/p>\n\n\n\n<p>Mwongozo huu unakusanya mtiririko unaoruhusiwa wa mviringo wa radial kwa magurudumu ya breki na mtiririko wa uso kwa diski za breki katika aina kuu za kreni za viwandani. Thamani zinatokana na vyanzo viwili: vifungu maalum vya aina katika viwango vya kreni vya GB\/T vya China, na daraja la jumla la uvumilivu katika GB\/T 1184-1996 (Uvumilivu wa kijiometri \u2014 Uvumilivu wa jumla kwa umbo na nafasi).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-general-gantry-and-overhead-crane-brake-wheel-and-brake-disc\">1. Gurudumu la Breki na Diski ya Breki ya Gantry ya Jumla na Kreni ya Juu<\/h2>\n\n\n\n<p>Kwa GB\/T 14405-2011 (Jumla <a href=\"https:\/\/www.kscranegroup.com\/sw\/full-form-eot-crane\/\">korongo za daraja<\/a>) na GB\/T 14406-2011 (Kreni za gantry za jumla), Kifungu cha 5.8.1 \u2014 Ufungaji wa magurudumu ya breki na diski za breki.<\/p>\n\n\n\n<p><strong>Jedwali 1 \u2014 Mzunguko wa mzunguko wa radial wa gurudumu la breki kwa ajili ya kreni za daraja la jumla na gantry (chanzo: GB\/T 14405-2011, GB\/T 14406-2011)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1639\" height=\"255\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/1Overhead-crane-Brake-wheel-radial-circular-runout.png\" alt=\"\" class=\"wp-image-11830\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/1Overhead-crane-Brake-wheel-radial-circular-runout.png 1639w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/1Overhead-crane-Brake-wheel-radial-circular-runout-1536x239.png 1536w\" sizes=\"(max-width: 1639px) 100vw, 1639px\" \/><\/figure>\n\n\n\n<p><strong>Jedwali la 2 \u2014 Uso wa diski ya breki kwa ajili ya kreni za daraja la jumla na gantry (chanzo: GB\/T 14405-2011, GB\/T 14406-2011)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2125\" height=\"382\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/2-Brake-disc-face-runout-for-general-bridge-and-gantry-cranes.png\" alt=\"\" class=\"wp-image-11831\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/2-Brake-disc-face-runout-for-general-bridge-and-gantry-cranes.png 2125w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/2-Brake-disc-face-runout-for-general-bridge-and-gantry-cranes-1536x276.png 1536w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/2-Brake-disc-face-runout-for-general-bridge-and-gantry-cranes-2048x368.png 2048w\" sizes=\"(max-width: 2125px) 100vw, 2125px\" \/><\/figure>\n\n\n\n<p><strong>Maelezo muhimu:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>Mzunguko wa mviringo wa radial<\/strong> ni uvumilivu wa umbo na nafasi mchanganyiko. Hupima tofauti kubwa zaidi ya nukta kwenye sehemu fulani ya msalaba kutoka kwa mhimili wa datum. Eneo la uvumilivu ni jozi ya miduara iliyojikita kwenye mhimili wa datum. Kipimo hiki kimoja hunasa hitilafu ya mshikamano (mhimili uliobadilishwa, mwelekeo, au upinde) na hitilafu ya umbo la mviringo wa sehemu ya msalaba.<\/li>\n\n\n\n<li>1 mm = 1000 \u03bcm (km, 500 \u03bcm = 0.5 mm).<\/li>\n\n\n\n<li>GB\/T 27997-2011 (Kreni za ujenzi wa meli) na GB\/T 26470-2025 (Mashine za kusimamisha daraja \u2014 Masharti ya kiufundi ya jumla) hurejelea majedwali yaleyale ya kukimbia hapo juu.<\/li>\n<\/ul>\n\n\n\n<p><strong>Mchoro 1 \u2014 Mfano wa alama ya uvumilivu wa mzunguko wa mzunguko kwenye mchoro (chanzo: GB\/T 1182-2018)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"397\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/3Example-of-circular-runout-tolerance-marking-on-a-drawing.png\" alt=\"\" class=\"wp-image-11832\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-portal-cranes-brake-wheel-and-brake-disc\">2. Gurudumu la Breki la Kreni za Lango na Diski ya Breki<\/h2>\n\n\n\n<p>Kwa kila GB\/T 29560-2013 (Kreni za Lango), Kifungu cha 5.9.1 \u2014 Usakinishaji wa magurudumu ya breki na diski za breki. GB\/T 29561-2013 (Kreni zisizohamishika za Bandari) inarejelea mahitaji sawa.<\/p>\n\n\n\n<p><strong>Jedwali la 3 \u2014 Mzunguko wa mviringo wa gurudumu la breki kwa kreni za lango (kwa mm, chanzo: GB\/T 29560-2013)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1640\" height=\"258\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/4Brake-wheel-radial-circular-runout-for-portal-cranes.png\" alt=\"\" class=\"wp-image-11833\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/4Brake-wheel-radial-circular-runout-for-portal-cranes.png 1640w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/4Brake-wheel-radial-circular-runout-for-portal-cranes-1536x242.png 1536w\" sizes=\"(max-width: 1640px) 100vw, 1640px\" \/><\/figure>\n\n\n\n<p><strong>Jedwali la 4 \u2014 Uso wa diski ya breki kwa kreni za lango (katika mm, chanzo: GB\/T 29560-2013)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2172\" height=\"310\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/5Brake-disc-face-runout-for-portal-cranes.png\" alt=\"\" class=\"wp-image-11834\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/5Brake-disc-face-runout-for-portal-cranes.png 2172w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/5Brake-disc-face-runout-for-portal-cranes-1536x219.png 1536w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/5Brake-disc-face-runout-for-portal-cranes-2048x292.png 2048w\" sizes=\"(max-width: 2172px) 100vw, 2172px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-ship-to-shore-sts-container-cranes-brake-wheel-and-brake-disc\">3. Kreni za Kontena za Kusafirisha hadi Ufukweni (STS) Breki Gurudumu na Diski ya Breki<\/h2>\n\n\n\n<p>Kwa kila GB\/T 15361-2009 (Kreni za kontena za Quayside), Kifungu cha 3.6.2 \u2014 Magurudumu ya breki (au diski za breki) na breki:<\/p>\n\n\n\n<ol>\n<li>Kwa magurudumu ya breki yaliyowekwa moja kwa moja kwenye shimoni: mtiririko wa mviringo wa radial na mtiririko wa uso haupaswi kuwa chini kuliko <strong>Daraja la 9 na Daraja la 10<\/strong>, mtawalia, kama ilivyoainishwa katika GB\/T 1184. Tazama Jedwali 5.<\/li>\n\n\n\n<li>Kwa rota za breki za diski zilizowekwa moja kwa moja kwenye shimoni: mtiririko wa uso ukilinganishwa na shimoni unapaswa <strong>kisizidi 0.2 mm<\/strong>.<\/li>\n\n\n\n<li>Baada ya kusanyiko, sehemu zote za kuzungusha breki zitazunguka kwa uhuru. Eneo la mguso kati ya kitambaa cha breki (au kiatu cha breki) na gurudumu la breki (au diski ya breki) litakuwa <strong>si chini ya 70% ya uso mzima wa msuguano<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p><strong>Jedwali la 5 \u2014 Kiwango cha mzunguko wa mzunguko na kiwango cha uvumilivu wa mzunguko wa uso (chanzo: GB\/T 1184-1996)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1543\" height=\"1019\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/6Circular-runout-and-face-runout-tolerance-grades.png\" alt=\"\" class=\"wp-image-11835\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/6Circular-runout-and-face-runout-tolerance-grades.png 1543w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/6Circular-runout-and-face-runout-tolerance-grades-1536x1014.png 1536w\" sizes=\"(max-width: 1543px) 100vw, 1543px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Kumbuka:<\/strong> Baadhi ya matoleo ya maandishi ya kawaida ya marejeleo yanataja &quot;GB\/T 1182&quot; kama chanzo cha alama za uvumilivu. Hili linaonekana kuwa hitilafu ya uhariri. GB\/T 1182-2018 inashughulikia ishara na dalili za uvumilivu wa kijiometri \u2014 haina thamani za nambari za daraja la uvumilivu. Marejeleo sahihi ya alama za uvumilivu ni GB\/T 1184-1996. GB\/T 1182-2008 na GB\/T 1182-1996 vile vile hayakujumuisha majedwali ya alama za uvumilivu.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-container-gantry-cranes-rail-mounted-and-rubber-tyred-brake-wheel-and-brake-disc\">4. Kreni za Gantry za Kontena (Zilizowekwa kwenye Reli na Tairi ya Mpira) Gurudumu la Breki na Diski ya Breki<\/h2>\n\n\n\n<p>Kwa kila GB\/T 19683-2025 (Kreni za gantry za vyombo vilivyowekwa kwenye reli), Kifungu cha 5.6.5, na GB\/T 14783-2009 (Kreni za gantry za vyombo vyenye matairi ya mpira), Kifungu cha 3.6.2 \u2014 Breki na magurudumu ya breki (diski):<\/p>\n\n\n\n<ol>\n<li>Kwa diski za breki zilizowekwa moja kwa moja kwenye shimoni: mtiririko wa axial ukilinganisha na shimoni unapaswa <strong>kisizidi 0.2 mm<\/strong>.<\/li>\n\n\n\n<li>Kwa magurudumu ya breki (au diski): mzunguko wa mzunguko wa radial unaohusiana na mhimili wa datum hautakuwa chini kuliko <strong>Daraja la 7<\/strong> kwa kila GB\/T 1184-1996. Tazama Jedwali 5.<\/li>\n\n\n\n<li>Kwa magurudumu ya breki yaliyowekwa moja kwa moja kwenye shimoni: mtiririko wa mviringo wa radial haupaswi kuwa chini kuliko <strong>Daraja la 9<\/strong> kwa kila GB\/T 1184-1996. Tazama Jedwali 5.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-brake-shoe-to-wheel-and-shoe-to-disc-clearance\">5. Breki ya Kubadilisha Kiatu hadi Gurudumu na Kibali cha Kubadilisha Kiatu hadi Diski<\/h2>\n\n\n\n<p>Thamani zilizopendekezwa za uwazi kati ya viatu vya breki na magurudumu ya breki zimekusanywa kutoka kwa JB\/T 6406, JB\/T 7019, JB\/T 7020, JB\/T 7685, na hati za mtengenezaji wa breki za viwandani. Tumia kama marejeleo ya uwanjani:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Kipenyo cha gurudumu la breki (mm)<\/th><th>100<\/th><th>200<\/th><th>300<\/th><th>400, 500<\/th><th>&gt;500<\/th><\/tr><\/thead><tbody><tr><td>Kibali (mm)<\/td><td>0.2\u20130.4<\/td><td>0.3\u20130.5<\/td><td>0.4\u20130.7<\/td><td>0.6\u20130.9<\/td><td>0.9\u20131.1<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Umbali wa breki kutoka kiatu hadi diski kwa upande mmoja: <strong>0.6\u20131.1 mm<\/strong>.<\/figcaption><\/figure>\n\n\n\n<p>Kwa breki za usalama zenye fidia ya angular: kibali cha kurudisha nyuma cha upande mmoja hakitakuwa chini ya <strong>1 mm<\/strong>Kwa breki zingine za usalama: kibali cha kurudisha nyuma cha upande mmoja hakitakuwa chini ya <strong>2 mm<\/strong>.<\/p>\n\n\n\n<p><strong>Viwango vilivyorejelewa (<a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/std\/std_list?p.p1=0&amp;p.p90=circulation_date&amp;p.p91=desc&amp;p.p2=%E8%B5%B7%E9%87%8D%E6%9C%BA\" target=\"_blank\" rel=\"noopener\">Hoja ya Viwango vya Korongo vya Kichina<\/a>):<\/strong><\/p>\n\n\n\n<ul>\n<li>GB\/T 14405-2011 Kreni za daraja la jumla<\/li>\n\n\n\n<li>GB\/T 14406-2011 Kreni za kawaida za gantry<\/li>\n\n\n\n<li>Kreni za Portal GB\/T 29560-2013<\/li>\n\n\n\n<li>Kreni za kontena za GB\/T 15361-2009 Quayside<\/li>\n\n\n\n<li>GB\/T 19683-2025 Kreni za gantry za makontena zilizowekwa kwenye reli<\/li>\n\n\n\n<li>GB\/T 14783-2009 Kreni za gantry zenye matairi ya mpira<\/li>\n\n\n\n<li>GB\/T 27997-2011 Kreni za gantry za ujenzi wa meli<\/li>\n\n\n\n<li>GB\/T 26470-2025 Mashine za kusimamisha daraja \u2014 Masharti ya kiufundi ya jumla<\/li>\n\n\n\n<li>GB\/T 1184-1996 Uvumilivu wa kijiometri \u2014 Uvumilivu wa jumla kwa umbo na nafasi<\/li>\n\n\n\n<li>GB\/T 1182-2018 Uvumilivu wa kijiometri \u2014 Uvumilivu wa umbo, mwelekeo, eneo na umaliziaji<\/li>\n\n\n\n<li>Breki za magurudumu ya umeme-hydraulic JB\/T 6406-2006<\/li>\n\n\n\n<li>JB\/T 7019-2013 Breki za Viwanda \u2014 Magurudumu ya breki na diski za breki<\/li>\n\n\n\n<li>Breki za diski za JB\/T 7020-2006 za umeme<\/li>\n\n\n\n<li>Breki za magurudumu ya sumaku-umeme JB\/T 7685-2006<\/li>\n<\/ul>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"Crane brake reliability is a direct determinant of operational safety. When a brake drum or brake disc is installed with out-of-tolerance runout, the results are predictable: uneven pad wear, reduced","protected":false},"featured_media":9980,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[791,796,794,789,793,118,792,795,121,88],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/xmxposts\/11836"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":2,"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/xmxposts\/11836\/revisions"}],"predecessor-version":[{"id":11838,"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/xmxposts\/11836\/revisions\/11838"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/media\/9980"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/media?parent=11836"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/posts_category?post=11836"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sw\/wp-json\/wp\/v2\/posts_tag?post=11836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}