{"id":5182,"date":"2013-12-04T08:00:47","date_gmt":"2013-12-04T06:00:47","guid":{"rendered":"http:\/\/mixmotor.eu\/?p=5182"},"modified":"2013-12-04T08:54:55","modified_gmt":"2013-12-04T06:54:55","slug":"sema-2013-ventilove-pruziny","status":"publish","type":"post","link":"https:\/\/mixmotor.eu\/en\/5182\/sema-2013-ventilove-pruziny","title":{"rendered":"SEMA 2013 &#8211; Ventilov\u00e9 pru\u017einy"},"content":{"rendered":"<p>Na akcii SEMA, ktor\u00e1 je ak\u00fdmsi ve\u013etrhom a prezent\u00e1ciou \u00fapravcov automobilov a v\u00fdrobcov tuningov\u00fdch dielov, firma Comp Cams predstavila nov\u00e9 ventilov\u00e9 pru\u017einy ku\u017ee\u013eovit\u00e9ho tvaru. Ku\u017ee\u013eov\u00fd tvar je navrhnut\u00fd aby pomohol zv\u00fd\u0161i\u0165 ot\u00e1\u010dkov\u00e9 limity ventilov\u00e9ho mechanizmu. U\u017e\u0161\u00ed koniec pru\u017einy znamen\u00e1, \u017ee pru\u017eina m\u00e1 men\u0161iu hmotnos\u0165 ako pru\u017eina valcovit\u00e9ho tvaru. Firma Comp Cams nevyv\u00edjala len tvar ale aj nov\u00fd materi\u00e1l vhodn\u00fd pre tieto pru\u017einy. Nov\u00fd n\u00e1vrh teda pomohol zv\u00fd\u0161i\u0165\u00a0ot\u00e1\u010dkov\u00e9 limity ventilov\u00e9ho mechanizmu pri zn\u00ed\u017een\u00ed rezonancii a dynamick\u00e9ho kmitania pru\u017einy. Zlep\u0161enie hlavne \u00a0uv\u00edtaj\u00fa pretek\u00e1ri a \u00fapravcovia, ktor\u00ed vedia \u010d\u00edm si prech\u00e1dzaj\u00fa ventilov\u00e9 pru\u017einy vo vysokoot\u00e1\u010dkov\u00fdch motoroch. Pre predstavu je tu kr\u00e1tke video, v ktorom je vidie\u0165 pohyby pru\u017e\u00edn pri 9500 ot\/min.<br \/>\n<iframe loading=\"lazy\" title=\"427 SOHC Ford Head at 9500 RPM Ottodyn Testing 107 Gram Lightweight Valve Ottodyn Test\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/BBxVPOCrznQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p><a href=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-5184 alignright\" alt=\"comp3\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp3-1024x768.jpg\" width=\"368\" height=\"277\" srcset=\"https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp3-1024x768.jpg 1024w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp3-300x225.jpg 300w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp3-160x120.jpg 160w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp3.jpg 1200w\" sizes=\"auto, (max-width: 368px) 100vw, 368px\" \/><\/a>T\u00fdmto rie\u0161en\u00edm sa z\u00edska, nie len dlh\u0161ia \u017eivotnos\u0165 pru\u017e\u00edn, ale aj mo\u017enos\u0165 pou\u017ei\u0165 va\u010dky s ostrej\u0161\u00edm tvarom. Ku\u017ee\u013eov\u00fd tvar pom\u00e1ha dosiahnu\u0165 men\u0161ie opotrebenie, trenie a t\u00fdm aj men\u0161ie prehrievanie. Pru\u017einy s\u00fa vyroben\u00e9 z dr\u00f4tu s okr\u00fahlym profilom, ktor\u00e9ho povrch je upraven\u00fd superfini\u0161ovan\u00edm a t\u00fdm s\u00fa vhodn\u00e9 aj pre vysokoot\u00e1\u010dkov\u00e9 motory. Materi\u00e1l dr\u00f4tu navrhla tie\u017e firma Comp Camps a pon\u00faka zatia\u013e tri varianty pru\u017e\u00edn ur\u010den\u00e9 pre pou\u017eitie v motoroch LS a LT od General Motors. Ponuku dop\u013a\u0148a nov\u00fd va\u010dkov\u00fd hriade\u013e pre motory\u00a0LT1\/L83\/L86, ktor\u00fd je vhodn\u00fd aj pre be\u017en\u00e9 podmienky ale aj pre pretek\u00e1rske. Va\u010dkov\u00e9 hriadele\u00a0v be\u017en\u00fdch produk\u010dn\u00fdch automobiloch s\u00fa navrhnut\u00e9 spolupracova\u0165 s priamym vstrekovan\u00edm, variabiln\u00fdm \u010dasovan\u00edm ventilov a vyp\u00ednan\u00edm polovice valcov. Comp Cams pon\u00faka va\u010dkov\u00e9 hriadele vyroben\u00e9 z n\u00e1strojovej ocele, ktor\u00e1 je o 30% pevnej\u0161ia ako ocele , z ktor\u00fdch s\u00fa vyroben\u00e9 s\u00e9riov\u00e9 hriadele v LS motoroch. Nov\u00e9 va\u010dkov\u00e9 hriadele s\u00fa navrhnut\u00e9 pre pou\u017eitie v CM truckoch a v 7.gener\u00e1cii Corvette.<\/p>\n<p>Autor: Maro\u0161 Uhrin \u00a0 \u00a0Zdroj+Foto:\u00a0http:\/\/www.lsxtv.com<\/p>\n<p><a href=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp22.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5185\" alt=\"comp22\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp22-1024x768.jpg\" width=\"1024\" height=\"768\" srcset=\"https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp22-1024x768.jpg 1024w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp22-300x225.jpg 300w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp22-160x120.jpg 160w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp22.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a> <a href=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5183\" alt=\"comp2\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp2-1024x768.jpg\" width=\"1024\" height=\"768\" srcset=\"https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp2-1024x768.jpg 1024w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp2-300x225.jpg 300w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp2-160x120.jpg 160w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2013\/12\/comp2.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na akcii SEMA, ktor\u00e1 je ak\u00fdmsi ve\u013etrhom a prezent\u00e1ciou \u00fapravcov automobilov a v\u00fdrobcov tuningov\u00fdch dielov, firma Comp Cams predstavila nov\u00e9 ventilov\u00e9 pru\u017einy ku\u017ee\u013eovit\u00e9ho tvaru. Ku\u017ee\u013eov\u00fd tvar je navrhnut\u00fd aby pomohol zv\u00fd\u0161i\u0165 ot\u00e1\u010dkov\u00e9 limity ventilov\u00e9ho mechanizmu. U\u017e\u0161\u00ed koniec pru\u017einy znamen\u00e1, \u017ee pru\u017eina m\u00e1 men\u0161iu hmotnos\u0165 ako pru\u017eina valcovit\u00e9ho tvaru. Firma Comp Cams nevyv\u00edjala len tvar ale [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5186,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[4,56],"tags":[214,366,502,501],"class_list":["post-5182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dokumentarne","category-video","tag-214","tag-sema","tag-sema2013","tag-ventilove-pruziny"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"en","enabled_languages":["sk","en","de"],"languages":{"sk":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/5182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/comments?post=5182"}],"version-history":[{"count":14,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/5182\/revisions"}],"predecessor-version":[{"id":5208,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/posts\/5182\/revisions\/5208"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/media\/5186"}],"wp:attachment":[{"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/media?parent=5182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/categories?post=5182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mixmotor.eu\/en\/wp-json\/wp\/v2\/tags?post=5182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}