{"id":437,"date":"2014-10-24T19:00:06","date_gmt":"2014-10-24T18:00:06","guid":{"rendered":"https:\/\/penambang.com\/?p=437"},"modified":"2021-02-03T23:06:04","modified_gmt":"2021-02-03T16:06:04","slug":"valve-timing","status":"publish","type":"post","link":"https:\/\/penambang.com\/valve-timing","title":{"rendered":"Valve Timing"},"content":{"rendered":"<div class=\"4ecd5b763bbe820aa1075e8a601982ad\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6910524006528411\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- Penambang SNI 1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-6910524006528411\"\r\n     data-ad-slot=\"5600258926\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Adalah saat membuka dan menutup valve intake dan valve exhaust. Misalkan engine 6 D 125 series<\/p>\n<p>Dengan data &#8211; data :<\/p>\n<p>FO = 1 &#8211; 5 &#8211; 3 &#8211; 6 &#8211; 2 &#8211; 4.<\/p>\n<p>Valve intake terbuka\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 20 B T D C (Before top dead center).<\/p>\n<p>Valve intake menutup\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 30 A B D C (After bottom dead center).<\/p>\n<p>Valve exhaust membuka\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 45 B B D C (Before bottom dead center).<\/p>\n<p>Valve exhaust menutup\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 15 A T D C (After top dead center).<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-438\" src=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing.jpg\" alt=\"valve timing\" width=\"400\" height=\"353\" srcset=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing.jpg 400w, https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-300x265.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>Dari data tersebut, dapat diketahui panjang langkah dari engine 6 D 125 series.<\/p>\n<p>Intake stroke\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 20 + 180 + 30\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 230.<\/p>\n<p>Compression stroke\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 180 &#8211; 30\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 150.<\/p>\n<p>Power stroke\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 180 &#8211; 45\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 135.<\/p>\n<p>Exhaust stroke\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 45 + 180 + 15\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 240.<\/p>\n<p>Total stroke\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 230 + 150 + 135 + 240\u00a0\u00a0\u00a0 = 755.<\/p>\n<p>Jadi over lapping\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 755 &#8211; 720\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 = 35.<\/p>\n<p>&nbsp;<\/p>\n<p>Fungsi over lapping adalah untuk mengadakan pembilasan gas bekas di dalam silinder. Hal ini terjadi pada saat exhaust valve belum tertutup dan intake valve sudah terbuka.<\/p>\n<p>Untuk pembuatan Table Squence yang sebenarnya, dalam perhitungan sesuai dengan data diatas<\/p>\n<p>Akhir power\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 0 + 135\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 135.<\/p>\n<p>Akhir exhaust\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 135 + 240\u00a0\u00a0\u00a0 = 375.<\/p>\n<p>Awal intake\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 375 &#8211; 35\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 340.<\/p>\n<p>Akhir intake\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 340 + 230\u00a0\u00a0\u00a0 = 570.<\/p>\n<p>Akhir compression\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 570 + 150\u00a0\u00a0\u00a0 = 720.<\/p>\n<p>Untuk silinder 2 dan seterusnya, dihitung dengan cara yang sama setelah perhitungan tersebut dibuat, dapat dibuat table sebagai berikut :<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-439\" src=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder.jpg\" alt=\"valve timing 6 silinder\" width=\"624\" height=\"326\" srcset=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder.jpg 624w, https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder-300x157.jpg 300w, https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder-390x205.jpg 390w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-440\" src=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder-2.jpg\" alt=\"valve timing 6 silinder 2\" width=\"624\" height=\"323\" srcset=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder-2.jpg 624w, https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/valve-timing-6-silinder-2-300x155.jpg 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-441\" src=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/adjusting-valve-6-silinder.jpg\" alt=\"adjusting valve 6 silinder\" width=\"623\" height=\"209\" srcset=\"https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/adjusting-valve-6-silinder.jpg 623w, https:\/\/penambang.com\/wp-content\/uploads\/2014\/10\/adjusting-valve-6-silinder-300x101.jpg 300w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/><\/p>\n<p>Kesimpulan :<\/p>\n<p>Dilihat dari putaran crank shaft, maka terjadi over lapping power, yaitu power silinder 1 belum berakhir sudah disusul dengan power silinder 5 dan seterusnya.<\/p>\n<p>Table squence dapAt digunakan untuk embuat table adjusment valve dengan 2 putaran crank shaft.<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Adalah saat membuka dan menutup valve intake dan valve exhaust. Misalkan engine 6 D 125 series Dengan data &#8211; data : FO = 1 &#8211; 5 &#8211; 3 &#8211; 6 &#8211; 2 &#8211; 4. Valve intake terbuka\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 20 B T D C (Before top dead center). Valve intake menutup\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 = 30 A B D [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22,24],"tags":[],"_links":{"self":[{"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/posts\/437"}],"collection":[{"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/comments?post=437"}],"version-history":[{"count":0,"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/posts\/437\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/media\/438"}],"wp:attachment":[{"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/media?parent=437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/categories?post=437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/penambang.com\/wp-json\/wp\/v2\/tags?post=437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}