Pneumatic cylinders (wanda aka yi da bututun silinda na pneumatic, sandar piston, hular silinda), wanda kuma ake kira silinda na iska, masu aikin motsa jiki, ko injinan numfashi, na'urori ne masu sauƙi masu sauƙi waɗanda ke amfani da kuzarin iska mai matsawa kuma suna juya shi zuwa motsi na madaidaiciya.Nauyi mai sauƙi da ƙarancin kulawa, silinda na pneumatic gabaɗaya suna aiki a ƙananan gudu kuma ƙasa da ƙarfi fiye da takwarorinsu na hydraulic ko na lantarki, amma zaɓi ne mai tsabta da tsada don ingantaccen motsi na layi a yawancin mahallin masana'antu.Mafi yawan ƙira ya ƙunshi silinda ko bututu wanda aka rufe a kan iyakar biyu, tare da hula a gefe ɗaya kuma kai a ɗayan ƙarshen.Silinda ya ƙunshi fistan, wanda ke haɗe da sanda.Sanda tana motsawa da fita daga ƙarshen bututun, wanda iskar da aka matsa.Hanyoyi biyu sun wanzu: aiki-aiki da aiki sau biyu.
Zane na silinda pneumatic:
A cikin silinda na pneumatic guda ɗaya, ana ba da iska ta hanyar tashar jiragen ruwa guda ɗaya zuwa gefe ɗaya na piston, yana sa sandar fistan ya miƙe ta hanya ɗaya don aiki kamar ɗaga abu.Ɗayan gefen yana hura iska zuwa yanayin.Motsawa ta gaba tana faruwa sau da yawa ta hanyar maɓuɓɓugar ruwa, wanda ke mayar da sandar fistan zuwa matsayinsa na asali ko tushe.Wasu silinda masu aiki guda ɗaya suna amfani da nauyi, nauyi, motsi na inji, ko maɓuɓɓugar ruwa daga waje don kunna bugun bugun dawowa, kodayake waɗannan ƙirar ba ta cika gamawa ba.Sabanin haka, silinda na pneumatic masu aiki sau biyu suna nuna tashoshi biyu waɗanda ke ba da iskar da aka matsa zuwa duka biyun mikawa da janye sandar piston.Zane-zanen aiki sau biyu sun fi kama da kowa a cikin masana'antu, tare da kimanin kashi 95% na aikace-aikacen da ke amfani da wannan salon Silinda.Duk da haka, a wasu aikace-aikace, silinda mai aiki guda ɗaya shine mafi kyawun farashi kuma mafi dacewa.
A cikin silinda mai aiki guda ɗaya, ƙirar zata iya zama "matsayin tushe a rage" tare da dawowar bazara, ko "matsayin tushe da" tare da tsawan bazara.Wannan ya danganta da ko ana amfani da iskar da aka danne don kunna bugun jini ko bugun jini.Wata hanyar tunani game da waɗannan zaɓuɓɓuka biyu ita ce turawa da ja.A cikin ƙirar turawa, matsa lamba na iska yana haifar da motsi, wanda ke tura piston.Tare da ƙirar ja, matsa lamba na iska yana haifar da motsi wanda ke jan piston.Nau'in da aka fi sani da shi shine tsayin daka, wanda ke amfani da maɓuɓɓugar ciki don mayar da piston zuwa matsayin tushe lokacin da iska ta ƙare.Ɗaya daga cikin fa'idodin ƙira guda ɗaya shine cewa idan akwai iko ko asarar matsa lamba, piston yana dawowa ta atomatik zuwa matsayin tushe.Rashin lahani na wannan salon shine ɗan rashin daidaituwar ƙarfin fitarwa yayin cikakken bugun jini saboda adawa da ƙarfin bazara.Har ila yau, tsawon bugun bugun jini yana iyakance ta wurin sararin da ruwan marmari ke buƙata, da kuma tsawon lokacin bazara.
Har ila yau, ku tuna cewa tare da silinda masu aiki guda ɗaya, wasu ayyuka sun ɓace saboda ƙarfin bazara.Dole ne a yi la'akari da wannan raguwar ƙarfin lokacin da girman wannan nau'in Silinda.Diamita da bugun jini sune mahimman abubuwan da za a yi la'akari da su yayin ƙididdige ƙididdiga.Diamita yana nufin diamita na piston, wanda ke bayyana ƙarfinsa dangane da matsa lamba na iska.Akwai diamita na Silinda ana bayyana su ta nau'in Silinda da ISO ko wasu ka'idoji.Buga yana bayyana adadin millimita nawa piston da sandar fistan za su iya tafiya.Doka ta gaba ɗaya ita ce mafi girman girman silinda, mafi girman fitarwar ƙarfi.Girman silinda na al'ada ya bambanta daga 8 zuwa 320 mm.
La'akari na ƙarshe shine salon hawa.Dangane da masana'anta, yawancin saiti suna samuwa.Wasu daga cikin abubuwan da aka fi sani sun haɗa da ɗorawa ƙafa, Dutsen wutsiya, Dutsen pivot na baya, da Dutsen trunnion.Za a ƙayyade mafi kyawun zaɓi ta takamaiman aikace-aikacen da sauran sassan tsarin.
Lokacin aikawa: Agusta-19-2022