{"id":3328,"date":"2026-05-14T03:47:32","date_gmt":"2026-05-14T03:47:32","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3328"},"modified":"2026-05-14T03:49:39","modified_gmt":"2026-05-14T03:49:39","slug":"double-pitch-vs-standard-roller-chain","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/et\/double-pitch-vs-standard-roller-chain\/","title":{"rendered":"Topeltsammuga vs standardne rullkett: millist kasutada ja millal on valik oluline"},"content":{"rendered":"<div style=\"font-family: 'IBM Plex Sans','Segoe UI',system-ui,sans-serif; color: #1a2332; line-height: 1.78; max-width: 1240px; margin: 0 auto; padding: 0; word-break: break-word; overflow-wrap: break-word; font-size: clamp(14px,1.4vw + 8px,17px);\">\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 HERO \u2014 side-by-side comparison concept \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<div style=\"display: flex; flex-wrap: wrap; min-height: 440px; overflow: hidden;\">\n<p><!-- Dark left panel --><\/p>\n<div style=\"flex: 1; min-width: 280px; background: #111820; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(32px,5vw,56px) clamp(20px,5vw,52px); box-sizing: border-box; position: relative;\">\n<p><!-- grid overlay --><\/p>\n<div style=\"position: absolute; inset: 0; background-image: linear-gradient(rgba(232,137,10,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(232,137,10,0.05) 1px,transparent 1px); background-size: 28px 28px; pointer-events: none;\"><\/div>\n<div style=\"position: relative; z-index: 2;\">\n<div style=\"display: inline-block; background: #e8890a; color: #ffffff; padding: 5px 14px; border-radius: 4px; font-size: clamp(10px,1.1vw,12px); font-weight: 800; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px;\">Toodete v\u00f5rdlus \u00b7 Valikujuhend<\/div>\n<h1 style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(28px,4.5vw,62px); font-weight: 800; color: #ffffff; text-transform: uppercase; line-height: 0.95; margin: 0 0 18px 0; letter-spacing: -0.5px;\">Topeltsammuga vs standardne rullkett: millist kasutada ja millal on valik oluline<\/h1>\n<p style=\"color: rgba(255,255,255,0.78); font-size: clamp(13px,1.6vw,17px); margin: 0 0 24px 0; line-height: 1.68; max-width: 520px;\">Topeltsammuga kett maksab meetri kohta v\u00e4hem, kaalub v\u00e4hem ja t\u00f6\u00f6tab korrektselt samadel ketiratastel kui standardsammuga kett. Kompromiss \u2013 kiirusepiirang \u2013 on m\u00f5ne rakenduse puhul otsustav ja teiste puhul ebaoluline.<\/p>\n<p><a style=\"display: inline-block; background: #e8890a; color: #ffffff; padding: 13px 28px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: clamp(13px,1.3vw,15px);\" href=\"#contact\">Kinnitage oma rakenduse jaoks \u00f5ige keti t\u00fc\u00fcp<\/a><\/p>\n<\/div>\n<\/div>\n<p><!-- Image right --><\/p>\n<div style=\"flex: 1; min-width: 260px; min-height: 280px; background-image: url('https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-Pitch-Transmission-Chain.webp'); background-size: cover; background-position: center;\"><\/div>\n<\/div>\n<div style=\"padding: clamp(36px,5vw,60px) clamp(20px,5vw,64px);\">\n<p><!-- OPENING --><\/p>\n<p style=\"margin: 0 0 22px 0;\">Suwoni elektroonikaseadmete montaa\u017eitehase detailide konveier kasutas ANSI #60 \u00fchekiulist ketti rippr\u00f6\u00f6bass\u00fcsteemil, liigutades 0,8 kg kaaluvaid tr\u00fckkplaadi komplekte kiirusega 8 meetrit minutis. Kett t\u00f6\u00f6tas usaldusv\u00e4\u00e4rselt, kuid s\u00fcsteem kaalus rohkem, kui projekteerija oli ette n\u00e4inud \u2013 #60 keti spetsifikatsiooniks oli 28-meetrise kogupikkusega ahelal 0,84 kg\/m, mis moodustas rippr\u00f6\u00f6bass\u00fcsteemi koormusest 23,5 kg. Kui s\u00fcsteemi laiendati 2023. aastal uue tootesarja jaoks, hindas insener keti spetsifikatsiooni \u00fcmber. Konveieri kiirus oli 8 m\/min, koormus kanduri kohta oli 0,8 kg ja pikim ulatus oli 2,4 meetrit. \u00dckski neist v\u00e4\u00e4rtustest ei l\u00e4henenud standardse #60 keti piiridele. Ta spetsifikatsioonis oli kahekordse sammuga #2060 kett \u2013 sama rulli l\u00e4bim\u00f5\u00f5t kui #60-l, sama ketiratta \u00fchilduvus, 0,45 kg\/m. Laiendatud s\u00fcsteem v\u00e4hendas keti kaalu 37 kg, v\u00e4hendas ajamimootori v\u00f5imsuse vajadust 0,75 kW-lt 0,55 kW-le ja keti maksumust 38% v\u00f5rra, ilma et kandev\u00f5ime v\u00f5i t\u00f6\u00f6kindlus v\u00e4heneks.<\/p>\n<p style=\"margin: 0 0 22px 0;\">Topeltsammuga kett on ketikataloogis \u00fcks k\u00f5ige v\u00e4hem m\u00e4\u00e4ratletud tooteid, arvestades selle sobivaimaid rakendusi \u2013 aeglased ja kerged konveieriajamid, kus vaikimisi kasutatakse standardsammuga ketti lihtsalt seet\u00f5ttu, et spetsifikatsiooni koostaja on sellega paremini kursis. Topeltsammuga keti t\u00e4pne m\u00f5istmine, selle erinevus standardsammust ja kiirusepiirangu ebasobivus v\u00f5imaldab valida kergema ja odavama variandi, mis tegelikult t\u00f6\u00f6tab.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3146\" src=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1.webp\" alt=\"ketiratas ja kett 1\" width=\"1448\" height=\"1086\" title=\"\" srcset=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1.webp 1448w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1-1280x960.webp 1280w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1-980x735.webp 980w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/sprocket-and-chain-1-480x360.webp 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1448px, 100vw\" \/><br \/>\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 2 \u2014 What double-pitch chain is \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Mis on topeltsammuga kett \u2013 ja mis pole erinev<\/h2>\n<div style=\"display: flex; flex-wrap: wrap; gap: 0; margin: 0 0 28px 0; border: 1px solid #dde3ea; border-radius: 12px; overflow: hidden;\">\n<p><!-- What IS different --><\/p>\n<div style=\"flex: 1; min-width: 240px; padding: 22px 22px; background: #ffffff; box-sizing: border-box; border-right: 1px solid #dde3ea;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(17px,2vw,22px); font-weight: 800; color: #e8890a; text-transform: uppercase; margin-bottom: 12px; border-bottom: 2px solid #e8890a; padding-bottom: 8px;\">Mis on erinev<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,15px); color: #445566; line-height: 1.9;\">\n<li><strong>Lingi pakkumine:<\/strong> T\u00e4pselt 2\u00d7 samav\u00e4\u00e4rne standardketi samm (nt #2060 = 38,10 mm vs #60 = 19,05 mm)<\/li>\n<li><strong>\u00dchendusplaadi pikkus:<\/strong> Iga l\u00fcliplaat h\u00f5lmab kahte standardset sammu<\/li>\n<li><strong>Kaal meetri kohta:<\/strong> Ligikaudu 40\u201350% v\u00e4hem kui standardvarustuses<\/li>\n<li><strong>Hind meetri kohta:<\/strong> Ligikaudu 30\u201340% v\u00e4hem kui standardvarustuses<\/li>\n<li><strong>Vuukide arv meetri kohta:<\/strong> Poole v\u00f5rra v\u00e4hem \u2014 26 vuuki\/m vs 52 vuuki\/m #60 puhul<\/li>\n<\/ul>\n<\/div>\n<p><!-- What is NOT different --><\/p>\n<div style=\"flex: 1; min-width: 240px; padding: 22px 22px; background: #f8f9fa; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(17px,2vw,22px); font-weight: 800; color: #1a5fa8; text-transform: uppercase; margin-bottom: 12px; border-bottom: 2px solid #1a5fa8; padding-bottom: 8px;\">Mis EI OLE erinev<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,15px); color: #445566; line-height: 1.9;\">\n<li><strong>Rulli l\u00e4bim\u00f5\u00f5t:<\/strong> Identne standardse vastega (#2060 rull = #60 rull = 11,91 mm)<\/li>\n<li><strong>Ketiratta \u00fchilduvus:<\/strong> T\u00f6\u00f6tab standardsete samav\u00e4\u00e4rsete ketiratastega ilma modifikatsioonideta<\/li>\n<li><strong>Sisemise l\u00fcli laius:<\/strong> Sama mis tavaline kett<\/li>\n<li><strong>Tihvti ja puksi l\u00e4bim\u00f5\u00f5t:<\/strong> Sama mis standardne ekvivalent<\/li>\n<li><strong>Minimaalne purunemiskoormus:<\/strong> P\u00f5him\u00f5tteliselt sama keti\u00fchiku kohta (sama ristl\u00f5ige)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p style=\"margin: 0 0 22px 0;\">Nimetust \u201etopeltsamm\u201c t\u00f5lgendatakse m\u00f5nikord ekslikult kui \u201etopelttugevust\u201c \u2013 see on vale. Topeltsammuga keti katkevuskoormus pikkuse\u00fchiku kohta on ligikaudu v\u00f5rdne standardsammuga, mitte kahekordistatud. L\u00fcliplaatide ristl\u00f5ige on sama. Kahekordistatakse ainult haakumispunktide (rullikute) vaheline samm, mis v\u00e4hendab liigeste arvu keti meetri kohta poole v\u00f5rra. Kuna meetri kohta on v\u00e4hem liigeseid, on meetri kohta v\u00e4hem metalli (ja v\u00e4hem kaalu) ning v\u00e4hem m\u00e4\u00e4rdepinda, mida hooldada. Konstruktsiooni terviklikkus j\u00e4\u00e4b antud rulliku kokkupuutepunktis sisuliselt muutumatuks.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 3 \u2014 Complete comparison table \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Topelt- ja standardsamm: t\u00e4ielik m\u00f5\u00f5tmete ja j\u00f5udluse v\u00f5rdlus<\/h2>\n<div style=\"overflow-x: auto; width: 100%; margin: 0 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw + 7px,14px); min-width: 620px;\">\n<thead>\n<tr>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Kinnisvara<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: center; font-weight: bold; white-space: nowrap;\">#60 standard<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: center; font-weight: bold; white-space: nowrap;\">#2060 topeltsammuga<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Praktiline t\u00e4hendus<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Pigi<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">19,05 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center; font-weight: bold; color: #e8890a;\">38,10 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">Topeltsamm t\u00e4hendab topeltl\u00fcli pikkust<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Rulli l\u00e4bim\u00f5\u00f5t<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">11,91 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #27ae60;\">11,91 mm \u2713<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">Identsed \u2014 t\u00f6\u00f6tavad samadel #60 ketiratastel<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Sisemise l\u00fcli laius<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">12,57 mm<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center; font-weight: bold; color: #27ae60;\">12,57 mm \u2713<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">Vajalik on sama ketiratta pinna laius<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Kaal meetri kohta<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">0,84 kg\/m\u00b2<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #27ae60;\">0,45 kg\/m\u00b2<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600; color: #27ae60;\">46% tulemasin \u2013 v\u00e4hendab vajalikku ajamiv\u00f5imsust<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Minimaalne purunemiskoormus<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">31,8 kN<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">31,1 kN<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">P\u00f5him\u00f5tteliselt identne konstruktsiooniline kandev\u00f5ime<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Vuukide arv meetri kohta<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">52.5<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #27ae60;\">26.2<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600; color: #27ae60;\">Poole v\u00f5rra v\u00e4hem kulumispunkte meetri kohta<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">Maksimaalne praktiline kiirus<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center;\">~10 m\/s (600 m\/min)<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; text-align: center; font-weight: bold; color: #c0392b;\">~1,0 m\/s (60 m\/min)<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">10:1 kiirusepuudus \u2013 kriitiline kompromiss<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">Pol\u00fcgooni efekt 19T draiveril<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center;\">\u00b11,7%<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; text-align: center; font-weight: bold; color: #c0392b;\">\u00b11,7%, aga madalamal ketikiirusel<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">Sama nurkvariatsioon, kuid madalam absoluutkiiruse pulsatsioon madalal kiirusel<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: 600;\">Suhteline hind meetri kohta<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; text-align: center;\">100%<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; text-align: center; font-weight: bold; color: #27ae60;\">~62%<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: 600; color: #27ae60;\">38% kulude kokkuhoid keti meetri kohta<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"background: #fff8ec; border-left: 4px solid #e8890a; padding: 18px 22px; border-radius: 0 10px 10px 0; margin: 0 0 28px 0;\"><strong style=\"display: block; margin-bottom: 6px;\">Vastupidine: topeltsammuga keti kandev\u00f5ime pole pool standardsammuga keti kandev\u00f5imest.<\/strong> Kuna rulli l\u00e4bim\u00f5\u00f5t, tihvti l\u00e4bim\u00f5\u00f5t, puks ja l\u00fcliplaadi ristl\u00f5ige on k\u00f5ik identsed standardse sammuga, on minimaalne katkestuskoormus keti kohta sisuliselt sama. Kahekordse sammuga ketil puudub aga <em>rullide arv meetri kohta<\/em> \u2014 mis on kiiruse seisukohalt oluline (rohkem haakimispunkte sekundis = suurem m\u00fcra ja kulumine kiirusel), kuid ei m\u00f5juta iga rulli haakumise kandev\u00f5imet. 10 kN koormus #2060 rullil on sama pinge kui 10 kN koormus #60 rullil. Erinevus seisneb selles, et kiirusel 600 m\/min haakub #2060 kett ketiratta hambaga 26 korda keti l\u00e4bimise meetri kohta, v\u00f5rreldes #60 52 korraga \u2014 kahekordne haakimissagedus suurel kiirusel tekitab m\u00fcra, vibratsiooni ja kulumise, mis piirab kahekordset haakimissagedust aeglastes rakendustes.<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 4 \u2014 Speed limit explained technically \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Miks on kahekordse sammuga ketil madal kiirusepiirang \u2014 60 m\/min reegli taga peituvad f\u00fc\u00fcsikalised elemendid<\/h2>\n<p style=\"margin: 0 0 18px 0;\">Topeltsammuga keti kiirusepiirang ei ole tootja suvaline soovitus \u2013 see tuleneb rulli haardumise f\u00fc\u00fcsikast ketirattal. Kui kett haakub ketiratta hambaga, j\u00f5uab iga rull hamba pinnale kineetilise energiaga, mis on v\u00f5rdeline l\u00f6\u00f6gikiiruse ruuduga. L\u00f6\u00f6gikiirus s\u00f5ltub siseneva rulli ja hamba pinna vahelisest suhtelisest kiirusest kokkupuute hetkel. Standardse rullketi puhul on see l\u00f6\u00f6gikiirus seotud hulknurga efektiga \u2013 keti kiiruse sinusoidaalse muutumisega, kui iga l\u00fcli moodustab ketirattal nurga.<\/p>\n<p style=\"margin: 0 0 18px 0;\">Kahekordse sammuga ketil on sama rull kui tavalisel sammuga ketil \u2013 aga j\u00e4rjestikuseid rulle \u00fchendav l\u00fcliplaat on kaks korda pikem. See t\u00e4hendab, et kui rull haakub ketirattaga, ei puutu eelmine rull teisel pool asuva ketirattaga kokku \u2013 see on juba kaks sammu tagasi hambast lahkunud. Kett \u201eripub\u201c kahe kokkupuutepunkti vahel, mille vahe on 38,10 mm 19,05 mm asemel. See kahekordne ulatus t\u00e4hendab, et toetamata ketiosa kontaktv\u00f5rgu l\u00e4bivajumine haakumiste vahel on sama kiiruse juures neli korda suurem (l\u00e4bivajumine skaleerub ulatuse ruuduga konstantse pinge korral). \u00dcle umbes 60 m\/min tekitab see l\u00e4bivajumine siseneva hamba pinnal piitsutavat liikumist \u2013 iga rull ei saabu puhtalt, vaid k\u00fclgkiiruse komponendiga, mis suurendab l\u00f6\u00f6gienergiat ja p\u00f5hjustab hambak\u00fclgedel as\u00fcmmeetrilist kulumist ja keti k\u00fclgplaadi kulumist.<\/p>\n<p><img decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 10px; display: block; margin: 0 0 22px 0;\" src=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/roller-chain-components-and-pitch-definition.webp\" alt=\"\" title=\"\"><\/p>\n<p style=\"margin: 0 0 22px 0;\">Praktiline 60 m\/min (1,0 m\/s) kahekordse sammuga keti puhul on kiirus, millega see kontaktv\u00f5rgu l\u00e4bivajumine #2060 ketil muutub standardsete t\u00f6\u00f6stusrakenduste puhul oluliseks. See piir ei ole absoluutne \u2013 kergemate koormuste korral, h\u00e4sti pingutatud keti ja sagedaste tugipunktide korral v\u00f5ib kahekordse sammuga kett t\u00f6\u00f6tada kiirusega kuni 80 m\/min. Kuid \u00fcle umbes 100 m\/min mis tahes kahekordse sammuga keti puhul, mille samm on #60 samav\u00e4\u00e4rne v\u00f5i suurem, suurenevad m\u00fcra ja kulumine kiiresti ning kasutusiga langeb alla standardse sammu.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 5 \u2014 Standard vs extended-pin double-pitch \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Standardne vs pikendatud tihvtiga kahekordse sammuga kett: konveierivariant<\/h2>\n<div style=\"display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 28px 0;\">\n<div style=\"flex: 1; min-width: 220px; background: #f4f7fb; border: 1px solid #dde3ea; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #1a2332; text-transform: uppercase; margin-bottom: 10px;\">Standardne topeltk\u00f5rgusega<\/div>\n<p style=\"margin: 0 0 10px 0; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.72;\">K\u00fclgvaates identne tavalise rullketiga. Tihvtidel puuduvad k\u00fclgmised pikendused. T\u00f6\u00f6tab standardsetel #60 ketiratastel. Kasutatakse juhul, kui ketti on vaja lihtsalt transportida ilma lisaseadmeid kaasas kandmata.<\/p>\n<div style=\"background: #ffffff; border-radius: 6px; padding: 10px 12px; font-size: clamp(11px,1.2vw,13px); color: #1a2332; border: 1px solid #dde3ea;\"><strong>Parim:<\/strong> Rippkonveierid, detailide \u00fclekandeaasad, kerged rippkonveierid, mille puhul on prioriteediks minimaalne kaal ja maksumus.<\/div>\n<\/div>\n<div style=\"flex: 1; min-width: 220px; background: #fff4e5; border: 1px solid #f5d5a8; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #e8890a; text-transform: uppercase; margin-bottom: 10px;\">Pikendatud tihvtiga topeltsamm<\/div>\n<p style=\"margin: 0 0 10px 0; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.72;\">\u00dchendustihvtid ulatuvad m\u00f5lemal k\u00fcljel v\u00e4limistest l\u00fcliplaatidest kaugemale. Need pikendatud tihvtiotsad sobivad risttala, kanduri v\u00f5i kinnituse k\u00fclge, mis \u00fchendab kahte paralleelset ketijooksu. Kasutatakse lamedate lintide vahetus- ja ristlattkonveieris\u00fcsteemides.<\/p>\n<div style=\"background: #ffffff; border-radius: 6px; padding: 10px 12px; font-size: clamp(11px,1.2vw,13px); color: #1a2332; border: 1px solid #f5d5a8;\"><strong>Parim:<\/strong> Kuivatusahjude ketid, detailide pesukonveierid, lameda \u00fclaosaga ristlatts\u00fcsteemid, tekstiilist kuivatusraamid.<\/div>\n<\/div>\n<div style=\"flex: 1; min-width: 220px; background: #e8f0fb; border: 1px solid #b8d0f0; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #1a5fa8; text-transform: uppercase; margin-bottom: 10px;\">K-kinnitus kahekordse kaldega<\/div>\n<p style=\"margin: 0 0 10px 0; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.72;\">Pikendatud l\u00fcliplaadid vahelduvatel l\u00fclidel (kinnitusmuster K1 v\u00f5i K2). Pakub fikseeritud kinnituspunkte regulaarsete sammude vahedega, et kinnitada kandureid, keerdk\u00e4ike v\u00f5i tootehoidjaid otse ketile.<\/p>\n<div style=\"background: #ffffff; border-radius: 6px; padding: 10px 12px; font-size: clamp(11px,1.2vw,13px); color: #1a2332; border: 1px solid #b8d0f0;\"><strong>Parim:<\/strong> Teravilja- ja seemnek\u00e4itluselevaatorid, linnuliha konveieris\u00fcsteemid, kerged p\u00f5llumajanduslikud konveierid kopakinnitusega.<\/div>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 6 \u2014 Full double-pitch series reference \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Topeltsammuga keti seeria viide: k\u00f5ik standardsuurused ja nende ekvivalendid<\/h2>\n<div style=\"overflow-x: auto; width: 100%; margin: 0 0 28px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; font-size: clamp(12px,1.3vw + 7px,14px); min-width: 680px;\">\n<thead>\n<tr>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Topeltpigi nr.<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Standardse sammu ekvivalent.<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Samm (mm)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Rulli l\u00e4bim\u00f5\u00f5t (mm)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Sisemine laius (mm)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Minimaalne purunemiskoormus (kN)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Kaal (kg\/m\u00b2)<\/th>\n<th style=\"background: #1a2332; color: #ffffff; padding: 11px 13px; text-align: left; font-weight: bold; white-space: nowrap;\">Maksimaalne kiirus (m\/min)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">#2040<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">#40<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">25.40<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">7.92<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">7.85<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">13.6<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">0.21<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">80<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">#2050<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">#50<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">31.75<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">10.16<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">9.53<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">21.5<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">0.35<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">70<\/td>\n<\/tr>\n<tr style=\"background: #fff4e5;\">\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold; color: #e8890a;\">#2060<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">#60<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">38.10<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold;\">11.91<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">12.57<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8;\">31.1<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold; color: #27ae60;\">0.45<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; font-weight: bold;\">60<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: 600;\">#2080<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">#80<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">50.80<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">15.88<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">15.75<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">55.0<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa; font-weight: bold; color: #27ae60;\">0.89<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #f8f9fa;\">50<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: 600;\">#2100<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">#100<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">63.50<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">19.05<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">18.90<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">86.0<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff; font-weight: bold; color: #27ae60;\">1.40<\/td>\n<td style=\"padding: 9px 13px; border-bottom: 1px solid #e8e8e8; background: #ffffff;\">40<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: 600;\">#2120<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">#120<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">76.20<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">22.23<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">25.22<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">124.0<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa; font-weight: bold; color: #27ae60;\">2.00<\/td>\n<td style=\"padding: 9px 13px; background: #f8f9fa;\">35<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size: clamp(11px,1.2vw,13px); color: #7a8fa8; margin: 0 0 28px 0;\">\u2020 Esilet\u00f5stetud rida #2060 \u2013 Korea \u00fcldt\u00f6\u00f6stuses k\u00f5ige sagedamini kasutatav kahekordse sammuga kett. Pange t\u00e4hele, et maksimaalne kiirus v\u00e4heneb sammu suurenedes, kuna iga sammu juures on rullide vaheline toetamata ulatus pikem.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 7 \u2014 When to use each \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Otsustusjuhend: standardne v\u00f5i topelth\u00e4\u00e4lestamine?<\/h2>\n<div style=\"display: flex; flex-wrap: wrap; gap: 16px; margin: 0 0 28px 0;\">\n<div style=\"flex: 1; min-width: 240px; background: #eafbf1; border: 1px solid #a8e0c0; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #27ae60; text-transform: uppercase; margin-bottom: 10px;\">M\u00e4\u00e4rake topeltpikk, kui:<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.85;\">\n<li>Keti kiirus \u2264 60 m\/min kinnitatud<\/li>\n<li>Koormus l\u00fcli kohta on v\u00e4ike (konveier kannab raskust, mitte j\u00f5u\u00fclekannet)<\/li>\n<li>Keti raskus on s\u00fcsteemi piirang (pea kohal, k\u00f5rgendatud, inertsi suhtes tundlik)<\/li>\n<li>Kulude v\u00e4hendamine on peamine eesm\u00e4rk ilma kandev\u00f5imet ohverdamata<\/li>\n<li>M\u00e4\u00e4rimisv\u00f5imalused on piiratud (v\u00e4hem liigeseid meetri kohta = v\u00e4hem m\u00e4\u00e4rimispunkte)<\/li>\n<li>Kasutusala on ainult horisontaalne v\u00f5i kergelt kaldu konveier<\/li>\n<\/ul>\n<\/div>\n<div style=\"flex: 1; min-width: 240px; background: #fff4f4; border: 1px solid #f0b0b0; border-radius: 10px; padding: 20px 22px; box-sizing: border-box;\">\n<div style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(16px,1.8vw,20px); font-weight: 800; color: #c0392b; text-transform: uppercase; margin-bottom: 10px;\">\u00c4RGE m\u00e4\u00e4rake topeltpikku, kui:<\/div>\n<ul style=\"margin: 0; padding-left: 16px; font-size: clamp(12px,1.3vw,14px); color: #445566; line-height: 1.85;\">\n<li>Keti kiirus \u00fcletab 60 m\/min (standardne samm on kohustuslik)<\/li>\n<li>Ajam on suure p\u00f6\u00f6rdemomendiga j\u00f5u\u00fclekanne (mitte konveier)<\/li>\n<li>Rakendus h\u00f5lmab sagedast l\u00f6\u00f6kkoormust v\u00f5i tagasip\u00f6\u00f6ramist<\/li>\n<li>Vajalik on t\u00e4pne kiiruse \u00fchtlus (hulknurga efekt on iga p\/min kohta suurem)<\/li>\n<li>T\u00f6\u00f6temperatuur \u00fcletab 120 \u00b0C (pikemad ulatused paisuvad soojuspaisumise t\u00f5ttu rohkem l\u00e4bi)<\/li>\n<li>Vertikaalsed k\u00f5rguse muutused \u00fcle 3 meetri (keti riputusraskus tekitab pikema sammu korral pingeid)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 8 \u2014 Applications \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">T\u00f6\u00f6stuslikud rakendused, kus kahekordse sammuga kett on standardspetsifikatsioon<\/h2>\n<p style=\"margin: 0 0 18px 0;\"><strong>Elektroonika ja pooljuhtide montaa\u017e.<\/strong> Tr\u00fckkplaatide montaa\u017eis ja pooljuhtide pakkimisel kasutatavad rippkonveierid ja indekseerimisketts\u00fcsteemid on #2040 ja #2060 kahekordse sammuga keti peamine rakendusala. Need s\u00fcsteemid vajavad v\u00e4ikest ketikaalu, et minimeerida mootori koormust inertsi t\u00f5ttu sagedaste seiskamis-k\u00e4ivitusts\u00fcklite ajal, ning need t\u00f6\u00f6tavad v\u00e4ga madalatel kiirustel \u2013 tavaliselt 2\u201315 m\/min \u2013 kahekordse sammu kiirusepiirangu piires. Kulude kokkuhoid t\u00fc\u00fcpilises elektroonikatehases, kus on \u00fcle 50 keti konveieri positsiooni, on m\u00e4rkimisv\u00e4\u00e4rne. <a style=\"color: #1a5fa8; font-weight: 600; text-decoration: none;\" href=\"https:\/\/sprocket-chain.net\/et\/tootekategooria\/chain\/\">Topeltsammuga rullketid #2040 ja #2060<\/a> nii standard- kui ka pikendatud kontaktidega konfiguratsioonides on saadaval meie Korea laost.<\/p>\n<p style=\"margin: 0 0 18px 0;\"><strong>Teravilja- ja seemnek\u00e4itluselevaatorid.<\/strong> Teravilja\u00fchistute ja p\u00f5llumajanduslike ladustamisrajatiste koppelevaatori jalad kasutavad #2060 ja #2080 kahekordse sammuga ketti koos K1 v\u00f5i K2 kopa kinnitusplaatidega. Koppade vahekaugus m\u00e4\u00e4ratakse keti sammu j\u00e4rgi \u2013 kahekordse sammuga kett v\u00f5imaldab suuremat koppade vahet v\u00e4hemate keti\u00fchendustega kopa kohta, v\u00e4hendades nii keti kulusid kui ka liigeste hooldust paigaldatud kopa kohta. Elevaatori jalgade kiirused Korea riisi\u00fchistute rajatistes on tavaliselt 30\u201345 m\/min, mis j\u00e4\u00e4b mugavalt #2060 kiirusepiirangu piiresse. Suurema l\u00e4bilaskev\u00f5imega teraviljaterminalide jaoks, mis t\u00f6\u00f6tavad elevaatori kiirusel 60\u201380 m\/min, on \u00f5ige spetsifikatsiooniga kett #60 v\u00f5i #80.<\/p>\n<p style=\"margin: 0 0 18px 0;\"><strong>Autoosade pesu- ja kuivatusliinid.<\/strong> Detailide pesukonveierid kasutavad pikendatud tihvtidega topeltsammuga ketti ristvarrastega, et luua tasane konveieripind korvide transportimiseks pesu- ja loputusetappide vahel. Aeglane konveieri kiirus (5\u201320 m\/min) ja suhteliselt kerged korvide koormused (2\u201315 kg korvipositsiooni kohta) sobivad topeltsammuga ketile h\u00e4sti. Pikendatud tihvtidega topeltsammuga keti avatud struktuur v\u00f5imaldab ka pesuvedelikul keti pinnalt vabalt n\u00f5rguda, v\u00e4hendades korrosiooniohtu v\u00f5rreldes standardse sammuga keti tihedama geomeetriaga. <a style=\"color: #1a5fa8; font-weight: 600; text-decoration: none;\" href=\"https:\/\/sprocket-chain.net\/et\/tootekategooria\/sprocket\/\">Kahekordse sammuga ketirattad pikendatud tihvtiga ketile<\/a> on saadaval standardse ava ja koonusluku konfiguratsioonidega.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3216 aligncenter\" src=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-row-sprockets.webp\" alt=\"Kaherealised ketirattad\" width=\"500\" height=\"600\" title=\"\" srcset=\"https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-row-sprockets.webp 500w, https:\/\/sprocket-chain.net\/wp-content\/uploads\/2026\/05\/Double-row-sprockets-480x576.webp 480w\" sizes=\"auto, (min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 500px, 100vw\" \/><\/p>\n<p style=\"margin: 0 0 22px 0;\"><strong>Linnuliha ja kala t\u00f6\u00f6tlemise konveierid.<\/strong> Linnuliha t\u00f6\u00f6tlemistehastes kasutatavad rippkonveierid kasutavad r\u00fcmpade t\u00f6\u00f6tlemisetappide vahel transportimiseks pikendatud tihvtidega v\u00f5i K-kinnitusega topeltsammuga ketti. Kett peab olema piisavalt kerge, et rippkinnituspunktid seda k\u00e4sitseda saaksid, olema puhastatav ja ajastatud t\u00f6\u00f6tlemistoimingute jaoks piisavalt aeglaselt liikuma. Standardne keti spetsifikatsioon on siin #2060 roostevaba teras (304 v\u00f5i 316L, olenevalt pesukeemiast) K1 kinnituste ja avatud pikendatud tihvtidega kanduri kinnitamiseks.<\/p>\n<p><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 SECTION 9 \u2014 FAQ \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 --><\/p>\n<h2 style=\"font-size: clamp(21px,2.8vw,33px); font-weight: bold; color: #1a2332; border-left: 4px solid #e8890a; padding-left: 14px; margin: 52px 0 18px;\">Korduma kippuvad k\u00fcsimused<\/h2>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Kas topeltsammuga kett saab s\u00f5ita standardsammuga ketiratastel? Ja kuidas on vastupidi?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">Jah \u2014 see on \u00fcks kahekordse sammuga keti peamistest konstruktsiooniomadustest. #2060 kett kasutab sama 11,91 mm rullikut nagu standardne #60, seega istuvad rullikud \u00f5igesti standardse #60 ketiratta hammaste juurtesse. Standardsel #60 ketirattal haakub iga teine \u200b\u200bhammas #2060 rullikuga, samal ajal kui vahelduvad hambad l\u00e4bivad keti ulatust ilma kokkupuuteta. See on funktsionaalselt korrektne madalatel kiirustel. Kiirustel \u00fcle umbes 30 m\/min v\u00f5i kui m\u00fcra on probleemiks, parandavad spetsiaalsed kahekordse sammuga ketirattad (vahelduvate t\u00e4ishammaste ja l\u00fchemate vahehammastega) haarduvuse sujuvamaks. V\u00f5imalik on ka vastupidine lahendus \u2014 standardne #60 kett kahekordse sammuga ketiratastel \u2014, kus iga ketiratta hammas haakub rullikuga. Kuna kahekordse sammuga ketiratastel on l\u00e4bim\u00f5\u00f5du kohta v\u00e4hem hambaid kui standardse sammuga ketiratastel, annab standardse keti kasutamine kahekordse sammuga ketirattal suurema efektiivse kiiruse suhte, kui ainu\u00fcksi hammaste arv viitab.<\/div>\n<\/details>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Kas iga standardse ANSI keti suuruse jaoks on olemas kahekordse sammuga vaste?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">K\u00f5ige sagedamini kasutatavate ANSI keti suuruste jaoks on olemas topeltsammuga variandid: #2040 kuni #2120 standardses kaubanduslikus laos. ANSI #25 ja #35-l puuduvad standardsed topeltsammuga vasted, kuna need sammu suurused on juba v\u00e4ikesed \u2013 topeltsammuga variandil oleks 12,70 mm samm (#25 topelt = ANSI #40 samm) v\u00f5i 19,05 mm samm (#35 topelt = ANSI #60 samm), mis on juba olemas eraldi standardsuurustena. Suurusest \u00fcle #120 on topeltsammuga kett saadaval eritellimusel, kuid mitte standardlaos. V\u00e4ga raskete konveierirakenduste jaoks, mis vajavad suure kandev\u00f5imega topeltsammu geomeetriat, on tavaliselt \u00f5ige spetsifikatsioon inseneriklassi kett, mitte topeltsammuga standardne rullkett.<\/div>\n<\/details>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Kuidas arvutada oma konkreetse kahekordse sammuga keti asendusdetaili kaalus\u00e4\u00e4stu?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">Kaalus\u00e4\u00e4st meetri kohta = (standardketi kaal meetri kohta) \u2212 (topeltsammuga keti kaal meetri kohta). #60 \u00fcmberehitusel #2060-ks: 0,84 \u2212 0,45 = 0,39 kg\/m kokkuhoid keti kohta. T\u00e4ieliku konveieriahela puhul 28 meetri ketiga: 0,39 \u00d7 28 = 10,9 kg keti kaalu v\u00e4henemine. Kahesammulise s\u00fcsteemi puhul: 21,8 kg v\u00e4henemine. See kaalulangus v\u00e4hendab otseselt mootori k\u00e4ivitusmomendi vajadust ja v\u00f5imaldab v\u00e4iksemat ajamimootorit. Mootori energias\u00e4\u00e4stu arvutamiseks: v\u00e4henenud keti kaal \u00d7 g \u00d7 konveieri kiirus = energias\u00e4\u00e4st keti inertsikomponendi v\u00e4henemisest. Aeglaste konveierite puhul, kus keti kaal moodustab olulise osa kogu s\u00fcsteemi kaalust, n\u00e4itab see arvutus sageli, et topeltsammuga keti \u00fcmberehitus v\u00e4hendab vajalikku ajamimootori nimiv\u00f5imsust \u00fche standardse raami suuruse v\u00f5rra.<\/div>\n<\/details>\n<details style=\"border: 1px solid #dde3ea; border-radius: 8px; overflow: hidden; margin-bottom: 10px;\">\n<summary style=\"padding: 16px 20px; font-weight: bold; cursor: pointer; background: #f4f6f8; font-size: clamp(13px,1.4vw + 8px,16px); list-style: none; color: #1a2332;\">Kas kahekordse sammuga kett on saadaval suletud (O-r\u00f5ngas) konfiguratsioonis toidu- v\u00f5i p\u00f5llumajandusrakenduste jaoks?<\/summary>\n<div style=\"padding: 16px 20px; font-size: clamp(13px,1.3vw + 8px,15px); color: #445566; line-height: 1.78; border-top: 1px solid #dde3ea;\">Jah \u2014 suletud O-r\u00f5nga ja X-r\u00f5nga kahekordse sammuga kett on saadaval mudelites #2040, #2050, #2060 ja #2080 nii s\u00fcsinikterasest kui ka roostevabast terasest v\u00e4lisplaadi variandis. Tihend paikneb tihvti ja puksi liidesel ning selle funktsioon on identne tavalise sammuga tihendatud ketiga. P\u00f5llumajandusrakendustes on eelised samad, mis tavalise tihendatud keti puhul \u2014 tehases peale kantud m\u00e4\u00e4re s\u00e4ilib sisemiselt ja abrasiivsed osakesed ei p\u00e4\u00e4se tihvti avasse. Toiduainete t\u00f6\u00f6tlemise rakendustes, kus kasutatakse pikendatud tihvtiga kahekordse sammuga ketti rippkonveiers\u00fcsteemides, on soovitatav pesukeskkondades, kus traditsioonilisi m\u00e4\u00e4rimisintervalle ei saa j\u00e4rgida, kasutada 316L roostevabast terasest kahekordse sammuga ketti koos NSF H1 toidukvaliteediga sisemise m\u00e4\u00e4rdega.<\/div>\n<\/details>\n<p><!-- CTA --><\/p>\n<div style=\"background: #111820; border-radius: 14px; padding: clamp(36px,5vw,64px) clamp(24px,5vw,56px); margin-top: 56px; display: flex; flex-wrap: wrap; gap: 28px; align-items: center;\">\n<div style=\"flex: 1; min-width: 260px;\">\n<h2 style=\"font-family: 'Barlow Condensed',Arial Narrow,sans-serif; font-size: clamp(22px,3vw,40px); font-weight: 800; color: #ffffff; text-transform: uppercase; border: none; padding: 0; margin: 0 0 12px 0; line-height: 1.0; letter-spacing: -0.3px;\">Kahekordse sammuga kett standard- ja pikendatud tihvtidega konfiguratsioonides<\/h2>\n<p style=\"color: rgba(255,255,255,0.72); font-size: clamp(13px,1.4vw,16px); line-height: 1.72; margin: 0;\">#2040 kuni #2120 on Korea laos laos. Standardsed, pikendatud tihvtidega, K-kinnitusega, s\u00fcsinikterasest ja roostevabast terasest variandid. Standardkonfiguratsioonide saadavus samal n\u00e4dalal \u2013 enne tellimist kontrollige seeriat, kinnituse t\u00fc\u00fcpi ja kiudude arvu.<\/p>\n<\/div>\n<div style=\"flex: 0 0 auto; display: flex; flex-direction: column; gap: 12px; min-width: 200px;\"><a style=\"display: block; background: #e8890a; color: #ffffff; padding: 14px 28px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: clamp(13px,1.4vw,15px); text-align: center;\" href=\"https:\/\/sprocket-chain.net\/et\/tootekategooria\/chain\/\">Sirvi topeltsammuga ketti<\/a><br \/>\n<a style=\"display: block; background: transparent; color: #ffffff; padding: 14px 28px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: clamp(13px,1.4vw,15px); text-align: center; border: 2px solid rgba(255,255,255,0.32);\" href=\"https:\/\/sprocket-chain.net\/et\/contact-us\/\">K\u00fcsi konfiguratsioonin\u00f5u<\/a><\/div>\n<\/div>\n<\/div>\n<p>Toimetaja: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Product Comparison \u00b7 Selection Guide Double-Pitch vs Standard Roller Chain: Which to Use and When the Choice Matters Double-pitch chain costs less per metre, weighs less, and runs correctly on the same sprockets as its standard-pitch equivalent. The tradeoff \u2014 speed limitation \u2014 is decisive for some applications and irrelevant for others. Confirm the Right [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6634],"tags":[72,78,58],"class_list":["post-3328","post","type-post","status-publish","format-standard","hentry","category-chain-sprocket","tag-chain","tag-chain-sprocket","tag-sprocket"],"_links":{"self":[{"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/posts\/3328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/comments?post=3328"}],"version-history":[{"count":3,"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/posts\/3328\/revisions"}],"predecessor-version":[{"id":3331,"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/posts\/3328\/revisions\/3331"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/media?parent=3328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/categories?post=3328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/et\/wp-json\/wp\/v2\/tags?post=3328"}],"curies":[{"name":"t\u00f6\u00f6leht","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}