Dangane da buƙatun ƙa'idodin akan firam ɗin, tsarin motar tseren dole ne ya haɗa da kejin mirgine tare da goyan baya, babban bulkhead na gaba tare da tsarin tallafi da tsarin buffer, da tsarin rigakafin karo na gefe, wato, babban zobe, zobe na gaba. , mirgine keji slant goyon baya da ta goyon bayan tsarin, gefen anti- karo tsarin, gaba girma babba, da kuma gaban babban babban goyan bayan tsarin.Duk ɓangarorin firam ɗin suna iya canja wurin nauyin tsarin hana direba zuwa ainihin tsarin.Ƙungiyar firam ɗin tana nufin mafi guntu, wanda ba a yanke ba, da ci gaba da kayan aikin bututu guda ɗaya.Daya daga cikin ayyukan firam din shi ne jure lodi iri-iri daga ciki da wajen abin hawa, amma injiniyoyin kayan daban-daban sun bambanta sosai, wanda hakan ya sa masu zanen kaya da alkalai ke da wahala wajen tantance ko karfin na'urar daukar nauyin firam din ya cika ka'idoji.Alloy karfe ne baƙin ƙarfe carbon gami kafa ta ƙara daidai adadin daya ko fiye alloying abubuwa zuwa talakawa carbon karfe.Ta hanyar ƙara abubuwa daban-daban da kuma amfani da fasahohin sarrafawa daban-daban, kaddarorin na musamman kamar ƙarfin ƙarfi, ƙarfin ƙarfi, juriya mai ƙarfi, juriya na lalata, ƙarancin zafin jiki, juriya mai zafi, kuma ba za a iya samun magnetism ba.Kuma cikakken sunan jaruminmu shine 30CrMo Pipe, wanda kuma aka sani da bututun ƙarfe 4130.Yana da babban ƙarfi da tauri, mai ƙarfi mai ƙarfi, da diamita mai ƙarfi na 15-70mm a cikin mai.Karfe yana da ƙarfin zafi mai kyau, kama daga 500 ˚ ƙasa C, yana da isasshen ƙarfin zafin jiki da kyakkyawan aikin walda.
4130 na gida 30CrMo karfe ne mai dauke da chromium da molybdenum, tare da karfin juriya gaba daya sama da 750MPa.Mafi yawan gani a kasuwa sune sanduna da faranti masu kauri.Za a yi amfani da bututun ƙarfe na bakin bakin bango 4130 don yin firam ɗin Keke,.Wannan taron bututun ƙarfe ne wanda za'a iya cirewa.An yi shi da bututun ƙarfe na carbon da aka zana maras sanyi wanda aka lanƙwasa kuma ana shigar da shi ɗaya bayan ɗaya bisa ga kwatancen cikin karusar.Idan ka cire harsashin jikin, za ka ga kejin ƙarfe da aka yi da bututun ƙarfe da yawa.Don haka, mutanen Hongkong suma suna kiranta da “roll cage”.Tare da wannan sulke na lu'u-lu'u masu daraja, ko da motar ta yi birgima sau da yawa kuma ba za a iya jurewa ba, masu tsere a ciki za su kasance cikin aminci da lafiya.Abun bututun ƙarfe da juriya da ake amfani da su don firam ɗin anti roll ana ƙaddara ta nauyin jikin abin hawa, kuma gabaɗaya suna buƙatar iya jure tasirin fiye da ninki biyu na nauyin abin hawa.Da yake filin wasan tseren waƙar yana da ɗan lebur, kusan babu tazara.Sabanin haka, idan Rallying a kan titin dutse da tseren ƙetare a cikin daji, lalacewar jiki za ta fi girma.Saboda haka, ƙarfin juzu'i don tseren tsere da tseren ƙetare ya fi girma, kuma tsarin kayan aikin bututu ya fi yawa.Firam ɗin da aka shigar da ƙwararru ba zai iya jure wa yanayin da ba a zata ba kawai, amma kuma yana haɓaka ƙarfi da karkatar da jikin abin hawa.Misali, ta hanyar haɗa wuraren walda da yawa na kejin nadi zuwa wuraren zama na gaba da na baya, koda kuwa abin hawa akai-akai yana tsalle, za a tarwatsa wani yanki na tasirin tasirin ƙasa akan kejin nadi, wanda ke ba da kariya ga abin hawa.
An fi amfani da 4130 a masana'antar jiragen sama, amma a farkon zuwa tsakiyar 1950s, lokacin da ya shiga tsarin chassis na tsere, lamarin ya fara canzawa.Kamar dai masana'antar jirgin sama, amfani da 4130 a matsayin babban kayan gini na chassis a cikin tsere an haɓaka sannu a hankali tsawon shekaru.A wancan lokacin, da yawa daga cikin direban tsere sun yi tambaya game da ƙarfin walda na 4130, saboda TIG waldi sabuwar fasaha ce, kuma yawancin masana'antun suna amfani da brazing don walda wannan kayan.Sai a 1953 Kamfanin Jirgin Sama na Boeing ya yi rikodin kuma ya fara walda TIG na tsarin sa na 4130.Ba shi yiwuwa a iya tantance chassis na farkon mota 4130, amma da alama an fara amfani da ita a tseren mota, kamar motar SCCA, babbar motar mai, IndyCar ko Formula One.
A tsakiyar shekarun 1950, motoci da yawa da aka yi da 4130 suna fafatawa a matakan gasar da SCCA ta gane.A cikin 1953, Forest Edwards ya ƙera Edwards/Blue Speical ta amfani da lalatar shekaru 51 Morris sedan da 4130. Charles Hall zai kori "ƙananan haƙa" don lashe gasar SCCA H-class modified Pacific Coast Championship, wanda ke amfani da 1.25 inci × A trapezoidal frame An yi shi da 0.030 inch 4130.
Dragmaster Dart: Dodd Martin da Jim Nelson, tare da Dragmaster Dart, sun kafa Kamfanin Dragmaster a Carlsbad, California a kusan 1959 ko 1960. Su ne kan gaba a fasahar tseren tsere kuma sun lashe "Mafi kyawun Zane" a gasar NHRA ta kasa.A cikin ƙasa da shekara guda da buɗewa, Dragmaster ya fara samar da chassis da ake kira "Dart", wanda ya zo cikin abubuwa biyu: 4130 da ƙarfe mai laushi.
A cikin 1965, Brawner Hawk, injin baya wanda aka yi daga 4130, ya fara halarta na farko kuma Mario Andretti ne ya tuka shi.Babban makanikin Clint Browner da almajirinsa Jim McKee ne suka gina Brawner Hawk a lokacin.An ƙera ta ne a kan Copper Climax, motar injin baya na farko don shiga layin farawa na mil 500 a Indiya a cikin 1961, wanda zakaran Formula One sau biyu Jack Brabham ya jagoranta.A waccan shekarar, karkashin tukin Mario, Braun Hawk ya samu babban nasara.A Husserl Grand Prix da aka gudanar a filin shakatawa na Indianapolis Circuit, Mario ya lashe wurare biyar na farko a gasar share fage guda hudu, matsayi daya da manyan wurare biyar, da nasararsa ta farko a USAC.Ya kuma lashe gasar zakarun lokacin 1965 na USAC da 1965 Indianapolis' 500 'Stark Wetzel Rookie na Shekara.
A ƙarshen 1960s da farkon 1970s, Dennis Klingman da Wyatt Swaim na Lincoln Electric sun tafi Turai don koyar da masu kera motoci na Formula One yadda TIG ke walda bututu 4130 maimakon brazing.A ƙarshen 1970s, 4130 sannu a hankali za su shiga wasu nau'ikan gasa.Kusan 1971, Jerry Weeks Baker ya ƙera sabon keji ta amfani da 4130 akan motarsa ta Austin Healy Sprite kuma ya yi gasa a cikin abubuwan da aka sani na SCCA.A wancan lokacin, littafin dokokin SCCA ya ba da izinin amfani da 4130, amma ba a ba da shawarar ba saboda walda yana da wahala.Daga baya Jerry ya gina karamar mota mai lamba 4130 don Don Edmonds don shiga gasar tseren da kungiyar Motocin Amurka (USAC) ta gane.Kusan 1975, USAC ta tsara cewa za a iya amfani da 4130 muddin yana cikin yanayin daidaitacce.
A ƙarshen 1970s, yawancin hukumomin ba da takaddun shaida sun fara buƙatar amfani da kejin nadi 4130 da aka kera a cikin mafi girman matakin gasa.A ranar 12 ga Disamba, 1978, SFI ta ayyana cewa duk babban matakin abin hawa dole ne a yi shi da kayan 4130.SFI kungiya ce mai zaman kanta da ke da nufin bugawa da sarrafa ka'idoji don ƙwararrun ƙwararrun kera motoci da kayan tsere.A shekara ta 1984, SFI kuma ta bayyana cewa dole ne a kera motoci masu ban dariya da 4130.
Lokacin aikawa: Yuli-18-2023