Ukusika insimbi ethathiwe akuvamile ukuba kube umbuzo wokuthi impahla ingahlukaniswa yini. Kunalokho, kuwumbuzo wokunciphisa umonakalo wokubambisa. I-zinc ewugqinsi yenza le nsimbi imelane nokugqwala kodwa yethula izingozi ezithile zokusetshenziswa. Ukushisa okuphezulu kukhiqiza intuthu enobuthi futhi kushiya unqenqema olusanda kusikwa lusengozini yokugqwala ngokushesha. Lo mhlahlandlela unemininingwane yokuthi ungakhetha kanjani amathuluzi afanele wamaphrofayili wezinto ezihlukene nogqinsi. Uzofunda izimiso zokuphepha ezibalulekile kanye nezinyathelo eziyisibopho zokulungisa ngemva kokusika ezidingekayo ukuze ubuyisele ukuzivikela kwesakhiwo sensimbi. Simboza yonke into kusukela kumapayipi amapayipi asindayo kuya ekuvuleni a ikhoyili yensimbi ukuze ikusize ugcine ukuthobela okuqinile kwemboni. Ngokulandela le mihlahlandlela yokusebenza, ungashintsha ngokuphephile izinto ezisetshenziswayo kusukela kuma-structural struts kuya kokuncane. ishidi lensimbi elinamandla ngaphandle kokulimaza ubuqotho besakhiwo noma ukuphepha kwendawo yokusebenza.
Okuthathwayo Okubalulekile
Ukushisa kuyisitha: Amathuluzi ane-high-friction njengama-engeli okugaya ahwamulisa i-zinc coating, akhiphe intuthu ye-zinc oxide eyingozi (okubangela 'i-metal fume fever') futhi ibhubhise umgoqo wokugqwala ozungezile.
Qondanisa ithuluzi nephrofayili: Amasaha aphathekayo ayindinganiso yemboni yamapayipi nama-struts, kuyilapho ama-tin snip noma oshela abakhethekile balungele ikhoyili yensimbi encane noma ukufakwa kwamashidi.
Ukubuyisela akuxoxiswana ngakho: Noma iyiphi insimu yokusikwa noma imbobo yokubhoboza kufanele iphathwe ngokwezindinganiso ze-ASTM A780 (kusetshenziswa upende noma i-solder egcwele zinc) ukuze kuvinjelwe ukugqwala okusheshisiwe kwendawo.
Ukwenziwa kwangaphambili kuwina ngezinga: Kumaphrojekthi wezohwebo, ukuklama, ukusika ngaphambili, kanye nensimbi yokumba ngaphambi kwenqubo yokufaka amalahle ashisayo kuyindlela engabizi kakhulu yokuqinisekisa ukuqhubeka kokumboza.
Inselele Eyinhloko: Kungani Ukusika Insimbi Enguthayela Kudinga Indlela Ekhethekile
Sivame ukuphatha izinsimbi eziboshiwe njengensimbi ye-carbon ejwayelekile. Le ndlela evamile idala izingozi ezisheshayo zesakhiwo nempilo. I-Galvanized Steel incike kungqimba lwezinc oluboshwe ngensimbi ukuze luvikeleke. Phakathi nenqubo ye-hot-dip, i-zinc yenza izingqimba ze-alloy ezihlanganiswe ngokuqinile. I-Zinc inesakhiwo esiyingqayizivele se-cathodic. Iyazidela ngokuyisisekelo ukuze ivikele umnyombo ekugqwaleni. Imihuzuko emincane iyaziphilisa ngalokhu kusabela kwamakhemikhali emvelo. Kodwa-ke, ukusika okuphelele ngokomzimba kuphula uphawu lokuvikela ngokuphelele. Umnyombo ongenalutho uvele uvezwe umoya-mpilo kanye nomswakama.
Ukuphepha kuletha inselele enzima ngokufanayo kubasebenzisi. Ukushisisa le nsimbi ngaphezu kuka-392°F (200°C) kubangela i-zinc ukuba i-oxidize ngokushesha. Bese liyasha bese likhipha intuthu eyingozi emoyeni ozungezile. Ukuhogela le miphunga enzima kubangela i-metal fume fever. Ungase ube nezimpawu ezinzima ezifana nomkhuhlane, ukugodola okujulile, nokucasuka okubuhlungu kokuphefumula. Lezi zimpawu zomzimba zingabeka isisebenzi eceleni izinsuku futhi zidale izinkinga ezinkulu zesikweletu.
Imibono eyiphutha yokusetshenziswa kwamathuluzi iphinde iqhubekisele phambili izinqubo zokusika ezingezinhle kuzo zonke izindawo zomsebenzi. Abaqalayo abaningi basebenzisa amasaha okhuni asezingeni eliphakeme e-RPM afakwe izindwani zensimbi ezihuqayo. Le nhlanganisela idala ingozi enkulu yokuphepha. Ukungafani kwe-RPM phakathi kwethuluzi nensingo kubangela ukungazinzi okuyingozi. Ama-abrasive blades angaphahlazeka kalula ngaphansi kokucindezeleka okukhulu kokusika insimbi. Ngaphezu kwalokho, ukushisa okwedlulele kubhubhisa intukuthelo yensimbi futhi kushise i-zinc evikelayo eyiyintshi kude nokusikiwe.
Ukuhlola nokukhetha Amathuluzi Okusika Alungile
Ukukhetha ithuluzi kunquma ukuphepha kanye nekhwalithi isiyonke yokusikwa kwakho. Kufanele uguqule okokusebenza kwakho ukuze kufane nephrofayili yezinto ezibonakalayo ngokuphelele. Izindlela zokusika ezibandayo zihlala zidlula amasu abrasive high-friction ngoba zigcina ukunamathela okuzungezile.
Ama-Bandsaws Aphathekayo (Isincomo esiphezulu se-Struts/Pipes)
Amabhandishi aphathekayo ahlala eyizincomo eziphezulu kuma-struts namapayipi. Baletha ukusika okubandayo ngokuphelele, kokudlidliza okuphansi. Isenzo se-blade esiqhubekayo sikhiqiza izinhlansi eziziro kanye nentuthu enobuthi engekho. Sincoma kakhulu amabhendi okubhidliza amapayipi asendlini noma umsebenzi wamashubhu wesikwele. Bahamba phambili lapho ukuvimbela ukulimala kwengqalasizinda ezungezile kubalulekile. Ukukhetha i-blade enamazinyo-nge-intshi efanelekile (i-TPI) kuqinisekisa isenzo esibushelelezi futhi kuvimbela imiphetho emangelengele.
Amasaha / amaSawzall aphindaphindayo (Okungcono kakhulu Ukubhidlizwa)
Amasaha aphindaphindayo anikeza amandla okusika asheshayo futhi anolaka kakhulu. Futhi zikhiqiza ukudlidliza okukhulu. Udinga ama-blade aminyene, anesihloko se-carbide ukuze uphile isikhathi eside. Basebenza kangcono emisebenzini yokudiliza ngokushesha. Amapayipi amanzi avame ukuwasebenzisa ukuze akhiphe amapayipi amadala, agqwalile avaleleke ngaphakathi kwezindonga. Kufanele ukhethe leli thuluzi kuphela uma umphetho oyisikwele ophelele ungadingeki ngokuqinile.
Ama-Shears nama-Tin Snips (Okungcono Kakhulu Ngemikhiqizo Eyisicaba)
Izikebhe zisika ngokuhlanzekile imikhiqizo yensimbi eyisicaba ngaphandle kokukhiqiza ukushisa. Ungasebenzisa izinqamuleli zendiza okwenziwa ngesandla noma okunamathiselwe kwi-shear okunamandla. Zilungele ukulungisa ishidi elincane lensimbi noma ukwenza i-HVAC ductwork. Ziphinde zisebenze kahle ekuvuleni nasekunciphiseni isitoko esiyisicaba. Izikebhe zivimbela ukuhlanekezelwa kwempahla futhi zigcina ungqimba lwezinc luphelele emugqeni osikiwe.
I-Rotary Pipe Cutters
Abasiki bepayipi be-Rotary banikeza umuzwa ongenalo uthuli ngokuphelele futhi ongenawo umsi. Ubophela ithuluzi eduze kwepayipi futhi ulizungezisa ngokuqhubekayo. Ngokuqhubekayo uqinisa isondo lokusika ukuze uhlukanise ngokuhlanzekile impahla. Ukunemba kwamapayipi kuncike kakhulu kule ndlela ethile. Iqinisekisa ukuqondanisa okuphelele kokuxhunywa kokuxhuma. Kumelwe usebenzise amafutha okusika ukuze unciphise ukungqubuzana futhi wandise ukuphila kwesondo lokusika.
Ama-Angle Grinders (Ingozi Ephezulu / Umvuzo Ophansi)
Ama-angle grinder anikeza isivinini esikhulu kodwa athwala ubungozi obubalulekile bokusebenza. Bathembela ngokuphelele ekuhunyushweni kwe-high-friction. Le nqubo ibhubhisa i-zinc enamathela kude nomugqa wokusika ohlosiwe. Kuphinde kwakha indawo yokusebenza enobuthi kakhulu. Akufanele neze uwasebenzise endlini ngaphandle kwezinhlelo zokukhipha intuthu yezimboni. Izigayi zihlala ziyinketho enobungozi obukhulu.
Buyekeza leli shadi lokuhlola ithuluzi ukuze uqondise ukukhetha kwakho okuthile:
Uhlobo Lwethuluzi |
Iphrofayili Yezinto Ezinhle Kakhulu |
Isizukulwane Sokushisa |
I-Fume Risk |
I-Bandsaw ephathekayo |
Ama-Struts, Amapayipi Anzima |
Phansi (I-Cold Cut) |
Lutho |
I-Saw Ebuyiselayo |
Amapayipi okubhidliza |
Phansi ukuya Okumaphakathi |
Phansi |
Ama-Shears / Ama-Tin Snips |
Amashidi Ayisicaba, Amakhoyili Amancane |
Lutho |
Lutho |
I-Rotary Pipe Cutter |
I-Round Tubing, Amapayipi |
Phansi |
Lutho |
I-Angle Grinder |
Akunconyiwe |
Okudlulele |
Phezulu |
Ukusebenzisa Isinyathelo Ngesinyathelo Ngokusekelwe Kumumo Wezinto
Ukwenza kahle kudinga isineke nokulungiselela ngokucophelela indawo yokusebenza. Isu lakho kufanele livumelane nesimo esiyingqayizivele sensimbi. Landela lezi zinyathelo eziqondile ukuze uqinisekise ukuphepha okuphelele nokunemba kwemishini.
Ukusika Ishidi Lensimbi Elivunyiwe noma Ikhoyili
Vikela okokusebenza kusicaba ngokuphelele ebhentshini lokusebenza eliqinile. Sebenzisa ama-C-clamps ane-padded ukuvimbela ukudlidliza okunodlame ngesikhathi sokusika.
Gqoka izinto zokuzivikela ezifanele. Hlala ugqoke isivikelo sobuso esigcwele kanye namagilavu esikhumba awugqinsi.
Sebenzisa isaha eliyindilinga elifakwe i-carbide-tipped-tipped, low-RPM metal-cutting blade ukuze uthole ukusikeka okude, okuqondile. Liqondise isaha kancane.
Sebenzisa izinqamuleli zendiza ukuze uthole amajika anemininingwane noma izinotshi zamakhona. Vumela ibhentshi lisekele udoti ukuvimbela ukukhathala kwesandla.
Ukusika i-Square Tubing namapayipi
Gcoba umucu we-masking tape uzungeze umjikelezo weshubhu. Lokhu kugqekeza kokusetshenziswa kudala umugqa wokubuka oqhubekayo wokusikwa kwesikwele esikhulu.
Vikela i-tubing ngokuqinile endaweni yebhentshi. Ungaqinisi kakhulu imihlathi, njengoba ungase uchoboze amaphrofayili anezindonga ezincane.
Gcoba uwoyela osindayo njalo uma usebenzisa isisiki sepayipi esijikelezayo ukuze ugcobe isondo.
Qinisa isisiki ngokuqhubekayo ngemva kokuzungezisa ngakunye okugcwele. Ukusheshisa lesi sinyathelo kuzoboleka noma kubhidlize udonga lwamapayipi.
Ukuqedwa komphetho (Isinyathelo esiyisibopho)
Hlola unqenqema olunqanyuliwe ukuze uthole ama-burrs nama-splinters ensimbi acijile. Ukusikwa akupheli kuze kube yilapho ukuqeda ngokuphelele.
Sebenzisa ifayela lensimbi elisikwe kanye ukushelela imiphetho yangaphandle yephrofayela esanda kusikwa.
Faka i-reamer yepayipi kushubhu ongenalutho ukuze ususe ama-burrs angaphakathi. Amaphethelo acijile aphazamisa ukufakwa kwamapayipi futhi avimbele ukunamathela kahle kopende.
Ukulungiswa Okuphoqelekile Kwangemva Kokusikwa (Ukubuyisela Uphawu)
Ukusikwa okusha kuveza insimbi ye-carbon eluhlaza ngokuqondile ezintweni. Ukweqa ukubuyisela onqenqemeni kudala ubungozi obukhulu bebhizinisi. Kuholela ekusheshisweni kwe-oxidation, ukuwohloka kwesakhiwo, nokuhlolwa kwesizinda okuhlulekile. Kufanele uphathe yonke imiphetho enqanyuliwe njengobungozi obukhulu. Sincoma kakhulu ukulandela izimiso ezijwayelekile zomkhakha zokulungisa ama-hot-dip coating awonakele. Ukucaciswa kwe-ASTM A780 kuveza izidingo eziqondile zokubuyisela ubuqotho besakhiwo kanye nokumelana nokugqwala.
Ungakhetha ezindleleni ezimbalwa ezigunyaziwe zokubuyisela ngokusekelwe ezidingweni zakho ezithile zephrojekthi:
I-Zinc-Rich Paint (Cold Galvanizing Compound): Lokhu kuseyisixazululo sensimu esitholakala kakhulu. Upende kufanele ube namazinga aphezulu othuli lwe-zinc lwensimbi ukuze unikeze ukuvikelwa kwe-galvanic okudingekayo. Kumelwe uyigcobe kuphela ekusikekeni okuhlanzekile, okukhishiwe, nokususwe amafutha ngokuphelele. Ukulungiswa kahle kwendawo kuqinisekisa ukunamathela isikhathi eside.
I-Zinc-Based Solder/Alloy: Uncibilikisa le nduku ye-alloy ekhethekile ngokuqondile phezu konqenqema olusikiwe olushisayo. Kwakha umgoqo oqinile, oqinile ngokomzimba kunopende. Le ndlela isebenza kahle kakhulu ezinsizeni zangaphandle ezibhekene nesimo sezulu esibi.
Ukuvalwa kwe-Fastener: Izimbobo zokumba ziveza ubungozi bokugqwala obufanayo ekusikeni kwamasaha. Ukushayela isikulufu esizinikezele sagalvanized noma ibhawudi ngokuqinile endaweni evulekile kuvame ukubuyisela uphawu olwenziwe lwasendaweni. Ikhanda le-fastener livimbela ngempumelelo umswakama ukuthi ungangeni emgodini wangaphakathi oveziwe.
I-Pre-Fabrication vs. Field Cutting: Ukuhlaziywa Kwezindleko Zenzuzo
Indlela ethembeke kakhulu yokugcina ubuqotho be-coating jikelele ukugwema ukuguqulwa kwensimu ngokuphelele. Le ndlela yokwenza izinto idinga ukuhlela ngokucophelela kodwa iletha imiphumela ephakeme kakhulu. Ukuthumela ukucaciswa okunembile kwe-CAD kumqambi ochwepheshe kushintsha yonke iphrojekthi eguquguqukayo.
Abathungi baphatha konke ukubhola, ukugunda, nokugaya ngaphambi kokugeza okushisayo kwediphu. Lokhu kulandelana okuqondile kuqinisekisa ukumbozwa kwe-coating okuqhubekayo okungu-100%. I-zinc encibilikisiwe igeleza kahle kuyo yonke imbobo ebhojwe ngaphambili naphezu kwawo wonke unqenqema olugundiwe. I-Scalability iba ngcono kakhulu uma usebenzisa lokhu kugeleza komsebenzi okuhleliwe kokukhishwa okukhulu kwezentengiso.
Ukwenziwa ngaphambilini kuyithuthukisa ngokuphelele imbuyiselo yephrojekthi yakho yesikhathi eside ekutshalweni kwezimali. Inyusa izindleko zobunjiniyela zangaphambili. Nokho, kunciphisa kakhulu amahora okusebenza endaweni. Abasebenzi bakho bokufaka bachitha isikhathi esincane bekala, besika, futhi begaya. Iqeda izindleko ezisebenzisekayo zamathuluzi, njengamasaha abizayo namagesi okusika. Okubaluleke kakhulu, ngokwezibalo kunciphisa izikweletu zesondlo zesikhathi esizayo ngokuvimbela ukwehluleka kokugqwala kwesakhiwo ngaphambi kwesikhathi.
Buyekeza leli shadi lokuqhathanisa elichaza izindlela ezimbili ezihlukene zokwenziwa:
Isici |
I-Pre-Fabrication (Esebenzayo) |
Ukusika Insimu (Okusebenzayo) |
Ukwemboza Ubuqotho |
100% ukufakwa okuqhubekayo |
Itholwe ezindaweni ezithintekile |
Isivinini somsebenzi |
Ukuhlanganiswa okusheshayo endaweni |
Ukusika nokugaya ngesandla kancane |
Ukulungiswa Kwangemuva Kokusika |
Akukho okudingekayo |
Ukuthinta okuphoqelekile kwe-ASTM A780 |
Ingozi Yokugqwala |
Cishe uziro |
Phezulu uma ukuthintana kwenkambu kuhluleka |
Isiphetho
Ukusebenza ngensimbi eboshwe kudinga isiyalo esiqinile sokusebenza kanye nokukhetha okufanele kwamathuluzi. Kufanele ulinganise isivinini, ukuphepha, nokumelana nokugqwala kwesikhathi eside. Landela lezi zinyathelo zokugcina ezigxile esenzweni zephrojekthi yakho elandelayo yokufaka:
Beka kuqala izindlela zokusika amakhaza njengamabhande amabhande phezu kwama-abrasives ashisa kakhulu ukuze uvikele ungqimba oluzungezile lwezinc.
Khetha izinto ezisetshenziswayo zokuphepha ezifanele, okuhlanganisa izihlangu ezigcwele zobuso nezinsimbi zokuphefumula ze-P100, ukuze ugade imisi yensimbi enobuthi.
I-Deburr yonke i-cut single ngefayela lensimbi ukuze uqinisekise ukuphatha okuphephile nokufakwa okufanele.
Faka upende onothe nge-zinc ngokushesha ukuze uvale imiphetho eluhlaza futhi uvimbele i-oxidation enamandla.
Cabangela ukwenza ama-oda amakhulu ngaphambili ukuze uqinisekise ukuvikelwa kokugqwala okungenasici, okuqhubekayo kusukela embonini.
FAQ
Umbuzo: Ungakwazi yini ukusika insimbi enama-galvanized nge-engeli grinder?
A: Yebo, kodwa akukhuthazwa kakhulu ukusetshenziswa endlini. Ishisa i-zinc coating, idala intuthu eyingozi (i-zinc oxide), futhi idinga ukulungiswa okubanzi kokugqwala kwangemva kokusika. Ukushisa okuphezulu kubulala ukufutheka kwensimbi futhi kushiya indawo ezungezile isengozini enkulu yokugqwala ngokushesha.
Umbuzo: Ingabe insimbi ewuthayela izogqwala lapho usike khona?
A: Yebo. Ngenkathi i-zinc ezungezile inikeza ukuvikeleka kwe-galvanic okuncane kwendawo, insimbi engenalutho evezwe engxenyeni ephambanayo izokhipha i-oxidize ngokushesha uma ingelashwa ngopende noma i-solder ecebile zinc. Kufanele uvale ukuphulwa ngokushesha ukuze ugcine ubuqotho besakhiwo.
Q: Iluphi uhlobo lokubhoboza olulungele insimbi enama-galvanized?
A: Sebenzisa i-cobalt noma i-titanium-coated high-speed steel (HSS) izingcezu zokubhola. Izinkuni ezijwayelekile noma izingcezu zamatshe zizoba buthuntu ngokushesha noma ziphahlazeke ngaphansi kwengcindezi. Faka amaconsi ambalwa oketshezi lokusika ukuze ugcine upholile futhi ulondoloze unqenqema lokusika.
Q: Uyiphatha kanjani ngokuphepha intuthu enobuthi lapho usika?
IMP: Njalo beka phambili 'izindlela zokusika ezibandayo' (amabhandishi, oshela, abasiki bepayipi). Uma ukusika okushisayo noma ukushisela kungenakugwenywa, sebenzela ngaphandle noma sebenzisa isikhipha intuthu yezimboni. Kufanele ugqoke isiphefumulo semaski esinguhhafu se-P100 esiklanyelwe ukuvimba intuthu yensimbi eyingozi.
