Shin da gaske kuna san fashewar bututun ƙarfe? Bari mu bincika!

--Fahimtar bututun ƙarfe ta fuskoki uku

Abrasive Blasting, azaman tsari na gamawa wanda gabaɗaya ya ƙunshi amfani da injin damfara da na'ura mai fashewa, shine fesa barbashi masu ɓarna zuwa saman da ake buƙata don zama santsi ko ƙunci.

Nozzle, a matsayin muhimmin kashi na fashewa, ya haɓaka gwargwadon buƙatun lokuta. Akwai madaidaitan bututun ƙarfe a tsakiyar 1950s. Duk da haka, ma'aikacin fashewar fashewar ya sami koma baya na sawa da kuma lalacewa a ciki. Kuma a wancan lokacin, ƙirar fashewa mai inganci, venturi nozzle, ta bayyana. To menene venturi nozzles? Bari mu duba dalla-dalla.

Tsarin Venturi Nozzle

Dangane da bayyanar, bututun venturi ya kasu kashi uku. Na farko, yana farawa da mashigin mashigai mai tsayi mai tsayi, sannan kuma gajeriyar sashe madaidaiciya madaidaiciya, sannan yana da tsayi mai tsayi mai jujjuyawa wanda ke zama mai fadi yayin isa kusa da bakin bututun. Irin wannan zane yana taimakawa wajen haɓaka aikin aiki da kashi 70%, kuma ta yaya ake samun wannan?

Iska da abrasive suna shiga bututun bututun ruwa ta hanyar mashigai mai tsayi mai hadewa sannan kuma su gangara zuwa gajeriyar sashin madaidaiciya yayin da matsin lamba ya ragu a wancan lokacin, wanda ke haifar da bambancin matsa lamba tsakanin ciki da waje. Wannan bambance-bambancen matsa lamba yana ba da ƙarfin waje don ɓarna. Lokacin da abrasive ya bar bututun ƙarfe, gudun ya ninka na madaidaicin bututun ƙarfe. Don haka saman ya zama mai tsabta da inganci.

Nau'in Venturi Nozzle

Bututun iska na venturi yana da nau'ikan nau'ikan nau'ikan nau'ikan da aka rarraba daga kusurwoyi daban-daban. Misali, daga mahangar mashigin, an raba shi zuwa mashigin guda daya da mashigai biyu. Gabaɗaya an raba shi zuwa carbide boron, silicon carbide, da tungsten carbide a cikin kayan layi. Bugu da ƙari, nau'in zaren yana da kusan rarraba zuwa zare mara kyau da zare mai kyau.

1.Rarraba ta hanyar shiga

1.1 Bututun ƙarfe mai shiga-shiga guda ɗaya

Bututun bututun mai shiga guda ɗaya, bi Tasirin Venturi na yau da kullun, yana nufin yana da hanya ɗaya kawai ta zana iska da ƙura don gudana zuwa cikin madaidaiciyar sashin layi.

1.2 Bututun ruwa mai shiga biyu

Kamar yadda aka nuna a cikin wannan adadi na sama, yana da nozzles guda biyu da ke da alaƙa da tazara tsakanin su. Akwai ƙananan ramuka guda takwas a kusa da tazarar don sauƙaƙe zana iskan da ke kewaye da shi zuwa cikin bututun ƙarfe, wanda ke sa iskar da ake fitarwa ta fi girma fiye da matsewar iskar da aka zana bututun ƙarfe, don haka an inganta saurin abrasive yana kaiwa ga ingantaccen tsaftacewa.

2. Rarraba ta kayan aikin layi

Shahararrun kayan guda uku da ake amfani da su a yau don bututun iska sune boron carbide, silicon carbide, da tungsten carbide.

2.1 Boron carbide venturi bututun ƙarfe

Boron carbide bututun ƙarfe yana da babban tauri, kyakkyawan lalacewa, da juriyar abrasion. Daga bayyanar, haske ne mai rauni kaɗan.

2.2 Silicon carbide venturi bututun ƙarfe

Silicon carbide bututun ƙarfe shine halayyar bargarar sinadarai da juriya mai kyau. Fuskar bututun silikon carbide ya yi kama da na boron carbide. A cikin kwatankwacin hankali, siliki carbide ya fi duhu tare da nuna ƙarfi mai ƙarfi. Amfaninsa shi ne cewa yana iya yin sauƙi a cikin siffofi daban-daban, kuma yana da ƙananan farashi, yayin da juriya na lalacewa shine 1/3 zuwa 1/2 na matsi mai zafi.

2.3 Tungsten carbide venturi bututun ƙarfe

Tungsten carbide bututun ƙarfe yana da babban taurin, juriya mai kyau, da tsayayyen tsarin da ake buƙatar ƙarancin kulawa. Zaɓin sabon yarjejeniya ne don masu aikin fashewa saboda yana da kyakkyawan juriya da lalacewa yayin amfani da ƙura.

3. Rarrabe ta hanyar zaren

Ana iya raba shi da kyau zuwa zare mara nauyi da zare mai kyau.

3.1 M Zare 2”-4 1/2 U.N.C.

Zaren ƙanƙara yana da tazara mafi girma tsakanin kowane zaren, yana nuna ya fi dacewadon ɗaukar babban ƙarfi da ƙarfin tasiri.

3.2 Fine Zare 1-1/4" N.P.S.M

Zare mai kyau yana nufin ƙaramin rata tsakanin kowane zaren, wanda zai iya rage ɗigon ɓangarorin.

4. Rarrabe da tsayi

4.1 Dogon venturi bututun ƙarfe

Kamar yadda sunan ya nuna, yana da tsayi, gabaɗaya daga 135mm zuwa 230mm.

4.2 Short venturi bututun ƙarfe

Yana da gajere, kuma tsawonsa gabaɗaya ya bambanta daga 81mm zuwa 135mm.

Aikace-aikace na fashewa venturi bututun ƙarfe

Abrasive fashewa tsari ne na gamawa saman da ya haɗa da sassauƙa ko murɗa saman ƙasa, siffata saman da cire gurɓata daga saman. Ana amfani da shi a fagage da yawa, kamar cire tsatsa daga gurɓatattun filayen ƙarfe, jiyya na masana'anta na jeans, da gilashin etching, da sauransu.

Daban-daban na aiki yana buƙatar nau'ikan bututun ƙarfe daban-daban. Zaɓin wanda ya dace shine mabuɗin don ƙara ingantaccen aiki.

Barka da zuwa nemo ZZbetter don ingantattun nozzles na venturi.