{"id":12010,"date":"2026-07-15T01:19:22","date_gmt":"2026-07-15T01:19:22","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=12010"},"modified":"2026-07-15T01:19:28","modified_gmt":"2026-07-15T01:19:28","slug":"overhead-crane-sheave-specifications-and-discard-criteria","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/no\/posts\/overhead-crane-sheave-specifications-and-discard-criteria\/","title":{"rendered":"Traverskranskiver: Den ultimate guiden til spesifikasjoner, typer og kasseringskriterier"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Innholdsfortegnelse<\/p><nav><ul><li><a href=\"#1-scope\">1. Omfang<\/a><\/li><li><a href=\"#2-sheave-types-and-bearing-categories\">2. Skivetyper og lagerkategorier<\/a><ul><li><a href=\"#2-1-by-manufacturing-process\">2.1 Etter produksjonsprosess<\/a><\/li><li><a href=\"#2-2-by-bearing-type\">2.2 Etter lagertype<\/a><\/li><\/ul><\/li><li><a href=\"#3-rope-groove-dimensions-and-d-d-ratio\">3. Tauspordimensjoner og D\/d-forhold<\/a><\/li><li><a href=\"#4-technical-requirements\">4. Tekniske krav<\/a><ul><li><a href=\"#4-1-material-grades\">4.1 Materialkvaliteter<\/a><\/li><li><a href=\"#4-2-surface-finish-and-fits\">4.2 Overflatebehandling og tilpasninger<\/a><\/li><li><a href=\"#4-3-geometric-tolerances\">4.3 Geometriske toleranser<\/a><\/li><li><a href=\"#4-4-operating-conditions\">4.4 Driftsforhold<\/a><\/li><li><a href=\"#4-5-sheave-discard-criteria\">4.5 Kriterier for kassering av skiver<\/a><\/li><\/ul><\/li><li><a href=\"#5-marking-packaging-transport-and-storage\">5. Merking, emballasje, transport og lagring<\/a><\/li><li><a href=\"#6-key-takeaways-for-safe-and-reliable-lifting\">6. Viktige punkter for trygg og p\u00e5litelig l\u00f8fting<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Traverskranskiven er en av de viktigste komponentene i en krans st\u00e5ltauinnslipingssystem, og er mye brukt i <a href=\"https:\/\/www.kscranegroup.com\/no\/overhead-cranes\/\">traverskraner<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/no\/gantry-crane\/\">portalkraner<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/no\/electric-crane-hoist\/electric-wire-rope-hoist.html\/\">elektriske heiser<\/a>, og annet l\u00f8fteutstyr. Sporprofilen, diameteren, lagerarrangementet, materialet og produksjonskvaliteten p\u00e5virker direkte st\u00e5ltauets levetid, l\u00f8fteeffektivitet og den generelle kransikkerheten.<\/p>\n\n\n\n<p>Denne veiledningen forklarer de tekniske kravene til kranskiver basert p\u00e5 GB\/T 27546-2011, inkludert skivetyper, lageralternativer, dimensjoner p\u00e5 tauspor, materialkvaliteter, geometriske toleranser, driftskrav og kasseringskriterier. Enten du velger en ny kranskive, inspiserer en eksisterende eller sammenligner designspesifikasjoner, gir denne artikkelen en praktisk ingeni\u00f8rreferanse.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1659\" height=\"948\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies.png\" alt=\"\" class=\"wp-image-12001\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies.png 1659w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies-1536x878.png 1536w\" sizes=\"(max-width: 1659px) 100vw, 1659px\" \/><figcaption class=\"wp-element-caption\"><em>Ferdige kranskivehus<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-scope\">1. Omfang<\/h2>\n\n\n\n<p>GB\/T 27546-2011 gjelder for st\u00e5lskiver (eller st\u00f8pejernskiver) for st\u00e5ltau som vanligvis brukes p\u00e5 kraner.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-sheave-types-and-bearing-categories\">2. Skivetyper og lagerkategorier<\/h2>\n\n\n\n<p>En typisk skiveenhet best\u00e5r av en felg, et steg\/eike, et nav, et lager, et st\u00f8vdeksel, en avstandsring og en l\u00e5sering.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2027\" height=\"776\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure.png\" alt=\"\" class=\"wp-image-12002\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure.png 2027w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure-1536x588.png 1536w\" sizes=\"(max-width: 2027px) 100vw, 2027px\" \/><figcaption class=\"wp-element-caption\"><em>Typisk skivemonteringsstruktur (Kilde: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-1-by-manufacturing-process\">2.1 Etter produksjonsprosess<\/h3>\n\n\n\n<p>Traverskranskiver produseres i fire typer: st\u00f8pte, sveisede, dobbeltplatepressede og valsede.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1885\" height=\"834\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles.png\" alt=\"\" class=\"wp-image-12003\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles.png 1885w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles-1536x680.png 1536w\" sizes=\"(max-width: 1885px) 100vw, 1885px\" \/><figcaption class=\"wp-element-caption\"><em>Skivetyper og tausporprofiler (Kilde: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-2-by-bearing-type\">2.2 Etter lagertype<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Lagertype<\/th><th>Referansestandard<\/th><\/tr><\/thead><tbody><tr><td>Kulelager med dyp spor<\/td><td>GB\/T 276-2013<\/td><\/tr><tr><td>Sylindrisk rullelager<\/td><td>GB\/T 283-2021<\/td><\/tr><tr><td>Dobbeltrads sylindrisk rullelager med full komplement<\/td><td>GB\/T 285-2013<\/td><\/tr><tr><td>Glidelager<\/td><td>GB\/T 10445-1989<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Figure-4-Sheave-bearing-types.png\" alt=\"\" class=\"wp-image-12004\"\/><figcaption class=\"wp-element-caption\"><em>Skivelagertyper (Kilde: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-rope-groove-dimensions-and-d-d-ratio\">3. Tauspordimensjoner og D\/d-forhold<\/h2>\n\n\n\n<p>Tverrsnittsm\u00e5lene p\u00e5 tausporet m\u00e5 v\u00e6re i samsvar med tabell 1 i standarden.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1073\" height=\"1465\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Table-1-Sheave-rope-groove-cross-section-basic-dimensions.png\" alt=\"\" class=\"wp-image-12005\"\/><figcaption class=\"wp-element-caption\"><em>Tabell 1 Grunnm\u00e5l for tverrsnitt av skivetauspor (Kilde: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<p>Forholdet mellom skivediameter D og st\u00e5ltaudiameter d (D\/d-forholdet) er gitt i tabell 2. Dette er ogs\u00e5 kryssreferert i GB\/T 34529-2017 for totalt valg av trommel og skive.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1310\" height=\"1201\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6Table-2-Relationship-between-sheave-diameter-D-and-wire-rope-diameter-d.png\" alt=\"\" class=\"wp-image-12006\"\/><figcaption class=\"wp-element-caption\"><em>Tabell 2 Forholdet mellom skivediameter D og st\u00e5ltaudiameter d (Kilde: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-technical-requirements\">4. Tekniske krav<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-1-material-grades\">4.1 Materialkvaliteter<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Del<\/th><th>Materiale<\/th><th>Gjeldende prosess<\/th><\/tr><\/thead><tbody><tr><td>Nav, nett, felg, tauforing<\/td><td>St\u00f8pt st\u00e5l \u2265 ZG270-500 (GB\/T 11352-2009)<\/td><td>St\u00f8pt skive<\/td><\/tr><tr><td>Nav, nett, felg, tauforing<\/td><td>St\u00f8pejern \u2265 HT200 (GB\/T 9439-2023)<\/td><td>St\u00f8pt skive, presset skivenav, avstandsstykke<\/td><\/tr><tr><td>Nav, nett, felg, tauforing<\/td><td>Duktilt jern \u2265 QT400-18 (GB\/T 1348-2019)<\/td><td>St\u00f8pt skive<\/td><\/tr><tr><td>Nav, nett, felg, tauforing<\/td><td>Konstruksjonsst\u00e5l \u2265 Q235B (GB\/T 700-2006)<\/td><td>Valset, sveiset skive; presset skive (nett, koblingsr\u00f8r), st\u00f8vdeksel<\/td><\/tr><tr><td>L\u00e5sering<\/td><td>Konstruksjonsst\u00e5l \u2265 45 st\u00e5l (GB\/T 699-2015)<\/td><td>Alle typer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1254\" height=\"1254\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank.png\" alt=\"\" class=\"wp-image-12007\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank.png 1254w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank-150x150.png 150w\" sizes=\"(max-width: 1254px) 100vw, 1254px\" \/><figcaption class=\"wp-element-caption\"><em>St\u00f8pt skiveemne<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-2-surface-finish-and-fits\">4.2 Overflatebehandling og tilpasninger<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Trekk<\/th><th>Behov<\/th><\/tr><\/thead><tbody><tr><td>Tausporoverflate (maskinert)<\/td><td>Ra \u2264 12,5 \u03bcm<\/td><\/tr><tr><td>Tausporoverflate (valset\/presset)<\/td><td>Ra \u2264 25 \u03bcm<\/td><\/tr><tr><td>Lagerhullets overflate<\/td><td>Ra \u2264 3,2 \u03bcm<\/td><\/tr><tr><td>Andre ikke-maskinerte overflater<\/td><td>Ra \u2264 25 \u03bcm<\/td><\/tr><tr><td>Skivehus til lager ytterdiametertilpasning<\/td><td>Anbefalt M7 eller P7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-3-geometric-tolerances\">4.3 Geometriske toleranser<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1628\" height=\"966\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances.png\" alt=\"\" class=\"wp-image-12008\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances.png 1628w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances-1536x911.png 1536w\" sizes=\"(max-width: 1628px) 100vw, 1628px\" \/><figcaption class=\"wp-element-caption\"><em>Geometriske toleranser for skiver (Kilde: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<p>t1 og t2 er formtoleranser; t3 og t4 er posisjonstoleranser.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-4-operating-conditions\">4.4 Driftsforhold<\/h3>\n\n\n\n<ul>\n<li>Omgivelsestemperatur: \u221220 \u00b0C til +40 \u00b0C. Forhold utenfor dette omr\u00e5det krever avtale mellom bruker og produsent.<\/li>\n\n\n\n<li>Fl\u00e5tevinkel for tau som g\u00e5r inn i\/ut av skivesporet: \u2264 5\u00b0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-5-sheave-discard-criteria\">4.5 Kriterier for kassering av skiver<\/h3>\n\n\n\n<p>En kranskive skal kasseres n\u00e5r ett av f\u00f8lgende forhold foreligger:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>#<\/th><th>Kast betingelse<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Sprekker eller l\u00f8se naglede forbindelser<\/td><\/tr><tr><td>2<\/td><td>Felgskade; ujevn sporslitasje som n\u00e5r 3 mm<\/td><\/tr><tr><td>3<\/td><td>Sveiset, st\u00f8pt eller valset skive: slitasje overstiger 20% av kantplatens tykkelse, ELLER reduksjonen av sporbunndiameteren n\u00e5r 50% av st\u00e5ltauets diameter<\/td><\/tr><tr><td>4<\/td><td>Dobbeltplatepresset skive: slitasje p\u00e5 tauforingen overstiger 50% av opprinnelig tykkelse<\/td><\/tr><tr><td>5<\/td><td>Enhver annen defekt som p\u00e5virker servicen eller for\u00e5rsaker skade p\u00e5 st\u00e5ltauet<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Note<\/strong>GB\/T 27546-2026 (gyldig fra september 2026) fjerner klausulen om kasseringskriterier. Ovennevnte kasseringsgrenser fra 2011-utgaven er fortsatt verdifulle referanser for praktisk inspeksjon.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-marking-packaging-transport-and-storage\">5. Merking, emballasje, transport og lagring<\/h2>\n\n\n\n<ul>\n<li>Hver skive skal ha en permanent, lesbar merking p\u00e5 et tydelig sted som viser skivens modellbetegnelse og produsentens identifikasjon.<\/li>\n\n\n\n<li>Emballasje skal beskytte skivene mot skade og korrosjon (GB\/T 13384-2008)<\/li>\n\n\n\n<li>Passende beskyttelsestiltak skal iverksettes under transport<\/li>\n\n\n\n<li>Under lagring skal skivene ikke komme i kontakt med sure eller alkaliske, etsende stoffer; beskyttes mot vanninntrengning og langvarig direkte sollys.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1327\" height=\"1186\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/9Figure-7-Ring-rolled-double-plate-wide-groove-sheave.png\" alt=\"\" class=\"wp-image-12009\"\/><figcaption class=\"wp-element-caption\"><em>Ringvalset dobbeltplate bredsporskive<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-key-takeaways-for-safe-and-reliable-lifting\">6. Viktige punkter for trygg og p\u00e5litelig l\u00f8fting<\/h2>\n\n\n\n<p>\u00c5 velge riktig kranskive er bare en del av \u00e5 sikre sikker og p\u00e5litelig krandrift. Riktige spordimensjoner, passende materialer, n\u00f8yaktige produksjonstoleranser og regelmessig inspeksjon bidrar alle til \u00e5 forlenge st\u00e5ltauets levetid og redusere vedlikeholdskostnader.<\/p>\n\n\n\n<p>Ved \u00e5 f\u00f8lge de tekniske kravene i GB\/T 27546-2011 og anvende de anbefalte kasseringskriteriene under rutinemessige inspeksjoner, kan kraneiere og vedlikeholdsingeni\u00f8rer forbedre utstyrets p\u00e5litelighet og minimere risikoen for uventede feil.<\/p>\n\n\n\n<p>Hvis du designer, bytter ut eller vedlikeholder kranskiver, gir disse spesifikasjonene en praktisk referanse for \u00e5 oppn\u00e5 b\u00e5de sikkerhet og langsiktig ytelse.<\/p>\n\n\n\n<p><strong>Referansestandarder<strong><strong><strong>(<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\">Sp\u00f8rsm\u00e5l om kinesiske kranstandarder<\/a>)<\/strong><\/strong><\/strong>:<\/strong><\/p>\n\n\n\n<ul>\n<li>GB\/T 27546-2011 Kraner \u2014 Skiver<\/li>\n\n\n\n<li>GB\/T 34529-2017 Kraner og taljer \u2013 Utvalg av st\u00e5ltau, tromler og skiver (IDT ISO 16625:2013)<\/li>\n\n\n\n<li>GB\/T 11352-2009 St\u00f8pegods av karbonst\u00e5l for generelle tekniske form\u00e5l<\/li>\n\n\n\n<li>GB\/T 9439-2023 Gr\u00e5jernst\u00f8pegods<\/li>\n\n\n\n<li>GB\/T 1348-2019 Sf\u00e6riske grafittst\u00f8pegods<\/li>\n\n\n\n<li>GB\/T 700-2006 Karbonkonstruksjonsst\u00e5l<\/li>\n\n\n\n<li>GB\/T 699-2015 Kvalitetskarbonkonstruksjonsst\u00e5l<\/li>\n\n\n\n<li>GB\/T 276-2013 Rullende lagre \u2013 Sporkulelagre \u2013 Grensem\u00e5l<\/li>\n\n\n\n<li>GB\/T 283-2021 Rullende lagre \u2014 Sylindriske rullelagre \u2014 Grensem\u00e5l<\/li>\n\n\n\n<li>GB\/T 285-2013 Rullende lagre \u2014 Torads sylindriske rullelagre \u2014 Grensem\u00e5l<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"An overhead crane sheave is a critical load-bearing component in the reeving system \u2014 its groove geometry, bearing type, material, and condition directly affect wire rope service life and lifting safe","protected":false},"featured_media":12001,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[801,858,857,850,121,860,862,861,859,57],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/xmxposts\/12010"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":6,"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/xmxposts\/12010\/revisions"}],"predecessor-version":[{"id":12056,"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/xmxposts\/12010\/revisions\/12056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/media\/12001"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/media?parent=12010"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/posts_category?post=12010"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/no\/wp-json\/wp\/v2\/posts_tag?post=12010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}