Lokacin gyaran ƙungiyar piston na injin, matsaloli sun taso tare da shigar da pistons - zoben da ke fitowa daga ramuka ba sa ƙyale piston ya shiga cikin toshe cikin yardar kaina.Don magance wannan matsala, ana amfani da madaidaicin zoben piston - koyi game da waɗannan na'urori, nau'ikan su, ƙira da aikace-aikacen daga labarin.
Manufar piston zobe mandrel
Mandarin zoben fistan (crimping) wata na'ura ce a cikin nau'in tef tare da manne da aka ƙera don nutsar da zoben piston a cikin ramukan piston lokacin da aka saka shi a cikin toshewar injin.
Gyara ƙungiyar piston na injin ɗin ba ya cika ba tare da cire pistons daga toshewar sa ba.Shigarwa na gaba na pistons a cikin silinda na toshe sau da yawa yana haifar da matsala: zoben da aka sanya a cikin ramuka suna fitowa bayan fistan kuma suna hana shi shiga hannun riga.Don magance wannan matsala, lokacin gyaran injin, ana amfani da na'urori na musamman - mandrels ko crimps na zoben piston.
Mandarin zoben fistan yana da babban aiki guda ɗaya: ana amfani da shi don murƙushe zoben da nutsar da su a cikin ramukan piston domin duk tsarin ya shiga cikin silinda na toshe cikin yardar kaina.Har ila yau, mandrel yana aiki a matsayin jagora lokacin shigar da piston, yana hana shi daga skewing, da kuma hana lalacewa ga zobba da madubi na Silinda.
Mandarin zoben fistan yana da sauƙi amma na'urar da ke da mahimmanci, ba tare da wanda ba shi yiwuwa a gyara ƙungiyar piston da sauran tsarin injin.Amma kafin ka je kantin sayar da man fetur, ya kamata ka fahimci nau'ikan waɗannan na'urorin da ke akwai, ƙirar su da fasali.
Nau'ukan, ƙira da ka'idar aiki na mandrel zoben piston
Za a iya raba crimps na yau zuwa manyan kungiyoyi biyu bisa ga ka'idar aiki:
● Ratchet (tare da hanyoyin ratchet);
● Lever.
Suna da mahimman bambance-bambancen ƙira da ƙa'idar aiki daban.
Ratchet mandrels na zoben piston
Waɗannan na'urori sun kasu kashi biyu:
- Tare da injin ratchet wanda maɓalli (abin wuya);
- Tare da injin ratchet hadedde cikin hannun lever mai tuƙa.
Mafi yawan amfani da su sune crimps na nau'in farko.Sun ƙunshi manyan sassa guda biyu: bel ɗin ƙarfe mai murƙushewa da injin ratchet (ratchet).Tushen na'urar shine tef tare da faɗin dubunnan millimeters da yawa zuwa 100 mm ko fiye.Tef ɗin an yi shi da ƙarfe, ana iya ɗaukar zafi don ƙara ƙarfi, an mirgine shi cikin zobe.A saman tef ɗin akwai dabarar ratchet tare da ƙunƙuntattun ribbons guda biyu.A kan gaɓar injin ɗin akwai ganguna don kaset ɗin iska da dabaran kaya tare da tawul ɗin da aka ɗora a bazara.Ana yin tambarin a cikin ƙaramin lefa, idan an danna shi, ana sakin injin ratchet kuma ana kwance tef ɗin.A cikin ɗaya daga cikin ganguna na tef ɗin, an yi rami axial na ɓangaren giciye mai murabba'i, wanda a ciki aka shigar da maƙallan L-dimbin yawa don ƙarfafa tef ɗin.
Akwai nau'ikan bel ɗin ratchet iri-iri don aiki tare da pistons na tsayi mai tsayi - an sanye su da injin ratchet sau biyu (amma, a matsayin mai mulkin, kawai tare da ƙafar gear guda ɗaya da tawul) wanda maƙarƙashiya ɗaya ke tukawa.Tsayin irin wannan na'urar zai iya kaiwa mm 150 ko fiye.
A kowane hali, mandrels na wannan nau'in, saboda ƙirar su, sun kasance na duniya, da yawa daga cikinsu suna ba ku damar yin aiki tare da pistons tare da diamita na 50 zuwa 175 mm, kuma ana amfani da maɗaukaki na ƙananan diamita.
Mandar ratchet na zoben piston yana aiki a sauƙaƙe: lokacin da igiyar ratchet ta juya ta wurin abin wuya, injin gear yana jujjuya shi, tare da tawul ɗin yana tsalle da yardar kaina.Lokacin tsayawa, abin wuyan pawl yana tsayawa a kan haƙorin dabaran kuma yana hana shi komawa baya - wannan yana tabbatar da gyare-gyaren madaidaicin kuma, daidai da haka, murƙushe zobba a cikin tsagi.
Crimping tare da rike wanda aka gina na'urar ratchet a ciki yana da irin wannan na'ura, amma ba su da abin wuya - rawar da aka gina a ciki yana taka rawa.Yawanci, irin waɗannan na'urori suna da ƙuƙƙarfan bel, an tsara su don yin aiki tare da babur da sauran ƙananan wutar lantarki.
Mandrel na zoben piston tare da maɓalli (manufa)
Ratchet piston zobe mandrel
Lever mandrels na piston zoben
● Kaset tare da crimping tare da filaye ko wasu kayan aiki;
● Kaset tare da crimping tare da kayan aiki na musamman - ticks, ciki har da ratchet;
● Kaset tare da crimping tare da ginanniyar lever tare da tsarin kullewa da ikon daidaitawa zuwa diamita na piston.
Mafi sauƙaƙan crimping na nau'in farko shine: yawanci waɗannan zoben buɗewa ne da aka yi da ƙaramin ƙarfe mai kauri tare da bangarorin biyu ko madaukai a ƙarshen duka, waɗanda aka haɗa su tare da filaye ko filaye.Irin waɗannan mandrels ba su da ka'ida, za a iya amfani da su kawai tare da pistons na diamita guda ɗaya, kuma a Bugu da kari, ba su da matukar dacewa don amfani, tun da yake suna buƙatar ci gaba da ci gaba da ƙwanƙwasa ko maɗaukaki har sai an shigar da piston a cikin hannun riga.
Maɗaukaki na nau'i na biyu sun fi dacewa, an kuma yi su a cikin nau'i na zobba na budewa, duk da haka, ana amfani da filaye na musamman don kullun su tare da yiwuwar gyarawa a kowane matsayi.Irin waɗannan crimps ba sa buƙatar aikace-aikacen ƙoƙari na yau da kullun ga mites, saboda haka sun fi dacewa da sauƙin amfani.Yawancin lokaci, ana ba da na'urori na wannan nau'in a cikin nau'i na kayan aiki tare da mandrels da yawa na diamita daban-daban.
Lever piston zobe mandrel
Daidaitaccen zaɓi da aikace-aikacen mandrel zoben piston
Dole ne a yi zaɓin madaidaicin zoben piston bisa ga halayen pistons da aikin da ya kamata a yi.Idan mota daya ne kawai ake gyarawa, to yana da ma'ana don zaɓar crimping mai sauƙi tare da injin ratchet ko ma tare da matsi.Idan shigarwa na pistons ne da za'ayi akai-akai (misali, a cikin wani mota gyara kantin sayar da), shi ne mafi alhẽri ba da fifiko ga wannan duniya bel mandrels tare da ratchet inji ko sa na mandrels na daban-daban diamita.Ya kamata a fahimci cewa don manyan pistons na mota yana da kyau a yi amfani da manyan mandrels, kuma ga pistons babur - kunkuntar.
Don siye don amfani da ƙwararru, cikakkun kayan aikin kayan aikin gyara ƙungiyoyin piston na iya zama zaɓi mai ban sha'awa.Irin waɗannan na'urori na iya ƙunsar mandrels daban-daban don zoben fistan (duka tef da mites na ratchet), masu jan zobe da sauran na'urori.
Yin aiki tare da mandrel na zoben piston gabaɗaya mai sauƙi ne, ya zo ga ayyuka da yawa:
● Don dacewa, shigar da piston a cikin wani mataimaki, shafa ramukan sa tare da zobba da siket da kyau da mai;
● Sanya zobba a cikin tsagi daidai da shawarwarin - don haka sassan kulle su suna a nesa na digiri 120 daga juna;
● Lubricate saman ciki na mandrel tare da mai;
● Sanya mandrel akan fistan;
● Yin amfani da maƙarƙashiya, lefa ko filawa (dangane da nau'in na'urar), ƙara maɗaukaki a kan fistan;
● Shigar da fistan tare da mandrel a cikin silinda na toshe, yi amfani da mallet ko guduma ta cikin gasket don buga fistan a hankali daga cikin mandrel zuwa cikin Silinda;
● Bayan an haɗa piston a cikin silinda, cirewa da sassauta mandrel.
Saitin rigar zoben piston
Lokacin aiki tare da mandrel, ya zama dole a hankali a hankali: idan crimping ya yi rauni sosai, zoben ba za su cika shiga cikin tsagi ba kuma za su tsoma baki tare da shigar da piston a cikin layi;Tare da wuce kima crimping, piston zai yi wuya a buga daga cikin mandrel, kuma a cikin wannan yanayin, na'urar na iya karya.
Tare da madaidaicin zaɓi da amfani da madaidaicin zoben piston, taron injin bayan gyaran ƙungiyar piston zai buƙaci ƙaramin lokaci da ƙoƙari.
Lokacin aikawa: Jul-11-2023