Ukusika isinyithi esinama-galvanized kunqabile ukuba kube ngumbuzo wokuba izinto eziphathekayo zinokunqunyulwa. Endaweni yoko, ngumbuzo wokunciphisa umonakalo owenziweyo. I-zinc eshinyeneyo yokwambathisa yenza le ntsimbi ikwazi ukumelana nomhlwa kodwa yazisa imingcipheko ethile yophumezo. Ubushushu obuphezulu buvelisa imisi eyityhefu kwaye bushiya isiphelo esisandul' ukusikwa sesichengeni ngokukhawuleza ngumhlwa. Esi sikhokelo sibanzi sichaza indlela yokukhetha izixhobo ezifanelekileyo kwiiprofayili zezinto ezahlukeneyo kunye nobukhulu. Uya kufunda iiprothokholi zokhuseleko eziyimfuneko kunye namanyathelo anyanzelekileyo okubuyisela emva kokusikwa okufunekayo ukubuyisela ukhuseleko lwesakhiwo sesinyithi. Sigubungela yonke into ukusuka kwimibhobho yamanzi enzima ukuya ekuvuleni a ikhoyili yentsimbi ekhandisiweyo ukukunceda ugcine ukuthotyelwa kweshishini ngokungqongqo. Ngokulandela ezi zikhokelo zokusebenza, unokuguqula ngokukhuselekileyo imathiriyeli ukusuka kwimibhobho engqindilili yolwakhiwo ukuya kwencinci. Ishiti lentsimbi ekhandisiweyo ngaphandle kokubeka esichengeni isidima solwakhiwo okanye ukhuseleko emsebenzini.
Izinto eziphambili zokuThatha
Ubushushu lutshaba: Izixhobo zokukhuhlana okuphezulu njengeengile zokuguba zifunxa i-zinc coating, zikhupha umsi onobungozi we-zinc oxide (ubangela 'i-metal fume fever') kwaye utshabalalise umqobo womhlwa ojikelezileyo.
Tshatisa isixhobo kwiprofayile: Iisasa eziphathwayo ngumgangatho weshishini wemibhobho kunye ne-struts, ngelixa ii-tin snips okanye iishears ezikhethekileyo zezona zifanelekileyo kwikhoyili yentsimbi ebhityileyo okanye usetyenziso lwamaphepha.
Ukubuyisela kwakhona akunakuxoxisana: Naliphi na ibala elisikiweyo okanye umngxuma wokugrunjwa kufuneka uphathwe ngokwemigangatho ye-ASTM A780 (usebenzisa ipeyinti etyebileyo ngezinc okanye i-solder) ukuthintela ukuthotywa okukhawulezileyo kwendawo.
I-Pre-fabrication iphumelele kwisikali: Kwiiprojekthi zorhwebo, ukuyila, ukusika kwangaphambili, kunye nentsimbi yangaphambili yokugaya phambi kwenkqubo ye-galvanizing eshushu-dip yeyona ndlela ingabizi kakhulu yokuqinisekisa ukuqhubeka kokwambathisa.
Ucelomngeni olungundoqo: Kutheni ukusika intsimbi yesinyithi kufuna iNdlela eKhethekileyo
Sihlala siphatha iintsimbi ezigqunywe njengentsimbi yekhabhoni eqhelekileyo. Le ndlela eqhelekileyo idala imingcipheko yesakhiwo kunye nempilo ekhawulezileyo. Intsimbi yeGalvanized ixhomekeke kumaleko e-zinc adityaniswe ngesinyithi ukuze akhuseleke. Ngexesha lenkqubo yokuntywila, i-zinc yenza i-alloy layers edibeneyo. I-Zinc inepropati ekhethekileyo ye-cathodic. Iyazincama ukuze ikhusele undoqo ekumhlwa. Imikrwelo emincinci iziphilise ngokwale ndlela yendalo yekhemikhali. Nangona kunjalo, ukusika okupheleleyo komzimba kuphula itywina elikhuselayo ngokupheleleyo. Undoqo ongenanto ngokukhawuleza utyhileka kwi-oksijini kunye nokufuma.
Ukhuseleko lunika umngeni onzima ngokufanayo kubasebenzisi. Ukufudumeza le ntsimbi ngaphezu kwe-392 ° F (200 ° C) kubangela ukuba i-zinc i-oxidize ngokukhawuleza. Emva koko iyatshisa kwaye ikhuphe umsi onobungozi emoyeni oyingqongileyo. Ukusezela le miphunga inzima kubangela i-metal fume fever. Unokuba neempawu ezifana nomkhuhlane, ukubanda okunzulu, kunye nokucaphuka okubuhlungu kokuphefumla. Ezi mpawu zomzimba zinokumbeka ecaleni umsebenzi iintsuku kwaye zidale imiba enzima yoxanduva.
Iingcamango ezingalunganga zezixhobo zikwaqhuba iindlela zokusika ezingalunganga kuzo zonke iindawo zemisebenzi. Abaqalayo abaninzi basebenzisa iisarha zokhuni ezikumgangatho ophezulu we-RPM ezifakwe ngamacangci esinyithi abrasive. Le ndibaniselwano idala ingozi enkulu yokhuseleko. Ukungafani kwe-RPM phakathi kwesixhobo kunye ne-blade kubangela ukungazinzi okuyingozi. Iintsimbi eziqhekezayo zinokuqhekeka ngokulula phantsi koxinzelelo olukhulu lokusika isinyithi. Ngaphezu koko, ubushushu obugqithisileyo butshabalalisa umsindo wesinyithi kwaye butshisa i-intshi yokukhusela i-zinc kude ne-cut.
Ukuphonononga kunye nokukhetha izixhobo ezichanekileyo zokusika
Ukukhetha izixhobo kuyalela ukhuseleko kunye nomgangatho opheleleyo wokusika kwakho. Kuya kufuneka uhlengahlengise izixhobo zakho ukuze zihambelane neprofayile yemathiriyeli ngokugqibeleleyo. Iindlela zokusika ezibandayo zihlala zigqithisa ubuchule obuphezulu be-abrasive ngenxa yokuba zigcina isambatho esijikelezileyo.
Iisaha eziphathwayo (Isincomo esiPhezulu seStruts/iMibhobho)
Iibhanti eziphathwayo zihlala ziyincomo ephezulu ye-struts kunye nemibhobho. Bahambisa ukusika okubandayo ngokupheleleyo, ukungcangcazela okuphantsi. Isenzo seblade esiqhubekayo sivelisa iintlantsi ezithi zero kunye nomsi oyityhefu. Sincoma kakhulu i-bandsaws yokudilizwa kwemibhobho yangaphakathi okanye umsebenzi we-square we-tubing. Bagqwesa apho ukuthintela umonakalo kwiziseko ezingqongileyo kubalulekile. Ukukhetha i-blade enamazinyo afanelekileyo-nge-intshi nganye (TPI) iqinisekisa isenzo esigudileyo kwaye ikhusela imiphetho ejijekileyo.
Iisarha ezibuyelanayo / iiSawzalls (Ezona ziDilisiweyo)
Iisarha eziphindaphindayo zibonelela ngamandla okusika ngokukhawuleza kunye nobundlobongela obuphezulu. Zikwavelisa ukungcangcazela okukhulu. Udinga iiblade ezityebileyo, ezinencapha ye-carbide ukuze uphile ixesha elide. Basebenza kakuhle kwimisebenzi yokudiliza ngokukhawuleza. Abatywini bemibhobho badla ngokuzisebenzisa ukuze basuse imibhobho emidala, enomhlwa evaleleke ngaphakathi kweendonga. Kufuneka ukhethe esi sixhobo kuphela xa umphetho ogqibeleleyo wesikweri ungafunwa ngokungqongqo.
IiShears kunye neeTin Snips (Ezona ziMveliso eziFlethi)
Izikere ngokucocekileyo zisika iimveliso zentsimbi ecaba ngaphandle kokuvelisa naluphi na ubushushu. Ungasebenzisa i-aviation snips ngesandla okanye iziqhoboshelo zokucheba eziqhutywa ngamandla. Zikulungele ukuguqula ishidi lentsimbi ebhityileyo okanye ukwenza umbhobho weHVAC. Zikwasebenza ngokugqibeleleyo ukukhulula kunye nokucheba isitokhwe esisicaba. Izikere zithintela ukugqwetheka kwezinto kwaye zigcine umaleko we-zinc uphelele ecaleni komgca wokusikwa.
Abasiki beMibhobho eRotary
Abasiki bemibhobho yeRotary banikezela ngamava angenathuli ngokupheleleyo kwaye angaqhumi. Ucinezela isixhobo malunga nombhobho kwaye ujikeleze ngokuqhubekayo. Ngokuqhubekayo uqinisa ivili lokusika ukuze ucoce ngokucocekileyo izinto eziphathekayo. Ukuchaneka kwemibhobho kuxhomekeke kakhulu kule ndlela ikhethekileyo. Iqinisekisa ulungelelwaniso olugqibeleleyo lokuthunga imidibaniso. Kufuneka usebenzise ioli yokusika ukunciphisa ukungqubuzana kunye nokwandisa ubomi bevili lokusika.
I-Angle Grinders (Umngcipheko ophezulu / uMvuzo ophantsi)
Ii-angle grinders zibonelela ngesantya esiphezulu kodwa zithwala umngcipheko omkhulu wokusebenza. Bathembele ngokupheleleyo kwi-high-friction abrasion. Le nkqubo itshabalalisa i-zinc yokugqoka kude nomgca ocetywayo wokusika. Ikwadala indawo yokusebenza enetyhefu kakhulu. Ungaze uzisebenzise ngaphakathi ngaphandle kweenkqubo zokutsalwa komsi kwimizi-mveliso. Iigrinder zihlala zingumngcipheko ophezulu.
Phonononga esi tshathi sokuvavanya isixhobo ukukhokela ukhetho lwakho oluthile:
Uhlobo lwesixhobo |
Eyona Profayile yezinto |
Isizukulwana sobushushu |
Umngcipheko womlilo |
I-Bandsaw ephathwayo |
Imibhobho, imibhobho enzima |
Phantsi (Sika Okubandayo) |
Akukho nanye |
I-Reciprocating Saw |
Imibhobho yokudiliza |
Phantsi ukuya Phakathi |
Phantsi |
IiShears / Iziqwenga zeTin |
Amashiti aMcaba, iiKhoyile eziNcinci |
Akukho nanye |
Akukho nanye |
Umsiki weMibhobho eRotary |
I-Round Tubing, iMibhobho |
Phantsi |
Akukho nanye |
I-Angle Grinder |
Ayikhuthazwa |
Ngokugqithisileyo |
Phezulu |
Uzalisekiso lweNyathelo ngeNyathelo oluSekwe kubume beMaterial
Ukuphunyezwa ngokufanelekileyo kufuna umonde kunye nokulungiswa ngokucophelela kwendawo yokusebenza. Ubuchwephesha bakho kufuneka buhambelane nobume obukhethekileyo bentsimbi. Landela la manyathelo achanekileyo ukuqinisekisa ukhuseleko olupheleleyo kunye nokuchaneka koomatshini.
Ukusika iPhepha leNtsimbi okanye iCoil
Khusela imathiriyeli isicaba ngokupheleleyo kwibhentshi yokusebenzela eyomeleleyo. Sebenzisa i-C-clamps ene-padded ukuthintela ukungcangcazela okunobundlobongela ngexesha lokusikwa.
Nxiba izixhobo ezifanelekileyo zokuzikhusela. Soloko unxibe isikhuselo sobuso esigcweleyo kunye neeglavu zesikhumba ezishinyeneyo.
Sebenzisa isarha yesetyhula exhotyiswe nge-carbide-tipped, i-low-RPM yentsimbi yokusika i-blade ixesha elide, elichanekileyo. Khokela isarha kancinane.
Sebenzisa i-aviation snips kwii-curve ezineenkcukacha okanye iinotshi zekona. Vumela ibhentshi yokusebenzela ixhase inkunkuma yokuthintela ukudinwa kwesandla.
Ukusika iityhubhu zesikwere kunye nemibhobho
Songa umcu we-masking tape ngokuqinileyo ujikeleze umjikelezo wetyhubhu. Le hack yokuphunyezwa idala umgca wokubonwayo oqhubekayo wokusikwa kwesikwere esiphezulu.
Khusela i-tubing ngokuqinileyo kwi-bench vise. Musa ukuyiqinisa kakhulu imihlathi, njengoko unokutyumza iiprofayili ezinodonga olucekethekileyo.
Gcoba ioli enzima rhoqo xa usebenzisa i-rotary pipe cutter ukuthambisa ivili.
Qinisa isisiki ngokunyukayo emva kokujikeleza okupheleleyo ngakunye. Ukuleqa eli nyathelo kuya kubola okanye kuwise udonga lombhobho.
Ukugqitywa komda (Inyathelo elinyanzelekileyo)
Hlola i-edge enqunyiweyo ye-burrs kunye nentsimbi ebukhali. Ukusikwa akusoze kugqitywe ude uyisuse ngokupheleleyo.
Sebenzisa ifayile yentsimbi yesikwe enye ukugudisa imiphetho yangaphandle yeprofayile esanda kusikwa.
Faka isitshixo sombhobho kwityhubhu enomngxuma ukususa ii-burrs zangaphakathi. Iincam ezibukhali ziphazamisana nemibhobho yamanzi kwaye zithintela ukuncamathelwa kwepeyinti ngokufanelekileyo.
Isinyanzelo emva kokuSika ukulungiswa (Ukubuyisela iTywina)
Ukusikwa okutsha kuveza intsimbi yekhabhoni ekrwada ngokuthe ngqo kwizinto. Ukutsiba ukubuyiswa kwakhona kudala umngcipheko omkhulu weshishini. Ikhokelela kwi-oxidation ekhawulezileyo, ukuwohloka kwesakhiwo, kunye nokuhlolwa kwesiza okungaphumelelanga. Kufuneka uphathe wonke umphetho oqhawulweyo njengomngcipheko omkhulu. Sincoma kakhulu ukuba ulandele iprothokholi ezisemgangathweni zokulungiswa kweengubo ezonakalisiweyo zediphu eshushu. Ukucaciswa kwe-ASTM A780 kuchaza iimfuno ezichanekileyo zokubuyisela imfezeko yesakhiwo kunye nokuxhathisa umhlwa.
Unokukhetha kwiindlela ezininzi ezivunyiweyo zokubuyisela ngokusekelwe kwiimfuno zakho zeprojekthi:
I-Zinc-Rich Paint (I-Cold Galvanizing Compound): Oku kuhlala kusesona sisombululo sentsimi sifumanekayo. Ipeyinti kufuneka iqulethe amanqanaba aphezulu othuli lwe-zinc yensimbi ukubonelela ngokhuseleko oluyimfuneko lwe-galvanic. Kufuneka uyiqabe kuphela kwiindawo ezicocekileyo, ezikhutshiweyo, kunye nezosulwe ngokupheleleyo. Ukulungiswa okufanelekileyo komphezulu kuqinisekisa ukunamathela kwexesha elide.
ISolder/Ingxubevange yeZinc: Unyibilikisa le ntonga ye-alloy ekhethekileyo ngokuthe ngqo kumphetho osikiweyo oshushu. Yenza umqobo womzimba otyebileyo, ohlala ixesha elide kunepeyinti. Le ndlela isebenza ngokugqwesileyo kusetyenziso olunzima lwangaphandle olujongene nemozulu embi.
Ukutywinwa kweFastener: Imingxuma yokugrumba inika imingcipheko yokubola efana nokusikeka. Ukuqhuba isikrufu segalvanized okanye ibholiti ngokuqinileyo kwindawo evulekileyo ngokuqhelekileyo kubuyisela itywina lendawo. Intloko ye-fastener ikhusela ngokufanelekileyo umswakama ekungeneni kwi-cavity yangaphakathi evezwayo.
I-Pre-Fabrication vs. Field Cutting: Uhlalutyo lweendleko-Benefit
Eyona ndlela ithembekileyo yokugcina ingqibelelo yokwambathisa kukuphepha ukuguqulwa kwentsimi ngokupheleleyo. Le ndlela yokusebenza ifuna ukucwangciswa ngononophelo kodwa inika iziphumo eziphezulu kakhulu. Ukuthumela iinkcukacha ezichanekileyo ze-CAD kumqambi oyingcali utshintsha yonke iprojekthi eguquguqukayo.
Abafaki-mpahla baphatha konke ukubhola, ukucheba, kunye nokusila phambi kwebhafu yokufaka igalvanizing yediphu eshushu. Olu landelelwano oluthile luqinisekisa i-100% i-continuous coating coverage. I-zinc etyhidiweyo ihamba ngokugqibeleleyo kuwo wonke umngxuma owombiweyo ngaphambili nangaphaya kwayo yonke imiphetho echetyiweyo. I-Scalability iphucuka kakhulu xa uthatha le ndlela yokusebenza ilungelelanisiweyo yokukhutshwa okukhulu kwezorhwebo.
Ukwenziwa kwangaphambili kuyiphucula ngokupheleleyo imbuyekezo yeprojekthi yakho yexesha elide kutyalo-mali. Iyakwandisa iindleko zobunjineli zangaphambili. Nangona kunjalo, inciphisa kakhulu iiyure zokusebenza kwindawo. Abasebenzi bakho bokufaka bachitha ixesha elincinci lokulinganisa, ukusika, kunye nokusila. Iphelisa iindleko ezityiwayo zezixhobo, ezinje ngeesarha ezixabisa kakhulu neegesi zokusika. Okona kubaluleke kakhulu, ngokwemathematika inciphisa amatyala olondolozo lwexesha elizayo ngokuthintela ukusilela kwangaphambili kwerusi kwisakhiwo.
Phonononga le tshathi yothelekiso ichaza iindlela ezimbini ezihlukeneyo zokuyila:
Umba |
Ukwenziwa kwangaphambili (Kusebenzayo) |
Ukusika Intsimi (Iyasebenza) |
Ukwaleka Ingqibelelo |
100% ukhuseleko oluqhubekayo |
Ukonakaliswa kwiindawo ezivaliweyo |
Isantya sabasebenzi |
Ukudibanisa ngokukhawuleza kwisiza |
Ukusika ngesandla okucothayo kunye nokusila |
I-Post-Cut Remediation |
Akukho nanye efunekayo |
Ukunyanzeliswa kwe-ASTM A780 efunekayo |
Umngcipheko woMhlwa |
Ngokucacileyo zero |
Phezulu ukuba indawo yokubamba-ups ayiphumelelanga |
Ukuqukumbela
Ukusebenza ngentsimbi egqunyiweyo kufuna uqeqesho olungqongqo lokusebenza kunye nokukhethwa kwezixhobo ezifanelekileyo. Kufuneka ulungelelanise isantya, ukhuseleko, kunye nokumelana nomhlwa kwexesha elide. Landela la manyathelo okugqibela ajolise kwisenzo kwiprojekthi yakho yofakelo elandelayo:
Zibeke phambili iindlela zokusika ezibandayo njengeesarha phezu kweebrasives zobushushu obuphezulu ukukhusela i-zinc layer.
Khetha izixhobo ezifanelekileyo zokhuseleko, kuquka izikhuselo ezipheleleyo zobuso kunye neziphefumlo ze-P100, ukugada umsi wesinyithi oyityhefu.
I-Deburr nganye ukusika enye kunye nefayile yentsimbi yokuqinisekisa ukuphatha ngokukhuselekileyo ngesandla kunye nokulungelelaniswa okufanelekileyo.
Faka ipeyinti enezinki ngoko nangoko ukuze uvale imiphetho eluhlaza kwaye uthintele i-oxidation eyingozi.
Qwalasela ukwenza iiodolo ezinkulu zangaphambili ukuqinisekisa ukhuseleko olungenasiphako, oluqhubekayo lomhlwa olusuka ngqo kumzi-mveliso.
FAQ
Umbuzo: Ngaba ungayisika intsimbi ene-galvanized grinder ye-engile?
A: Ewe, kodwa ayikhuthazwa kakhulu ukuba isetyenziswe ngaphakathi. Itshisa i-coating ye-zinc, idala imisi enobungozi (i-zinc oxide), kwaye ifuna ukulungiswa okukhulu kwe-rust post-cut. Ubushushu obuphezulu butshabalalisa umsindo wesinyithi kwaye bushiya indawo ejikelezileyo ibe sesichengeni sokubola ngokukhawuleza.
Umbuzo: Ngaba intsimbi enamazinki iya kuhlwa apho usike khona?
A: Ewe. Ngelixa i-zinc ejikelezileyo inika ukhuseleko oluncinci lwegalvanic yendawo, intsimbi engenanto evezwe kwindawo enqamlezileyo iya kuthi i-oxidize ngokukhawuleza ukuba ayiphathwa ngepeyinti etyebileyo ye-zinc okanye i-solder. Kufuneka utywine ulwaphulo ngoko nangoko ukugcina isidima solwakhiwo.
Umbuzo: Loluphi uhlobo lwe-drill bit olulungele intsimbi ye-galvanized?
A: Sebenzisa i-cobalt okanye i-titanium-coated high-speed steel (HSS) i-drill bits. Amasuntswana omthi asemgangathweni okanye amatye aya kuba buthuntu ngoko nangoko okanye aqhekeke phantsi koxinzelelo. Faka amaconsi ambalwa olwelo lokusika ukugcina i-bit epholile kwaye ugcine umda wokusika.
Umbuzo: Uwulawula njani ngokukhuselekileyo umsi oyityhefu xa usika?
A: Soloko ubeka phambili 'iindlela zokusika ezibandayo' (iisarha, izikere, izisiki zemibhobho). Ukuba ukusika okushushu okanye ukuwelda akuphepheki, sebenzela ngaphandle okanye usebenzise i-industrial fume extractor. Kufuneka unxibe i-P100 half-mask respirator eyenzelwe ngokukodwa ukuthintela imisi yentsimbi eyingozi.
