Intsimbi engatyiwa sisixhobo esithandwayo esisetyenziswa kumatshini ngenxa yamandla ayo, ukuqina, kunye nokuxhathisa ukubola. Nangona kunjalo, inokuphinda ibonise imiceli mngeni kwinkqubo yomatshini ngenxa yobunzima bayo kunye neendlela ezilukhuni zokusebenza.
Nazi ezinye iingqwalasela ezibalulekileyo xa machining steel stainless:
Ukukhetha isixhobo:
Ukukhetha isixhobo esifanelekileyo kubalulekile ekwenzeni intsimbi engenasici. Izixhobo zetsimbi ezikhawulezayo zifanelekile kumatshini ophantsi, ngelixa izixhobo ze-carbide zifaneleka ngakumbi kwimveliso ephezulu. Izixhobo ezigqunyiweyo zinokuphucula ukusebenza kunye nobomi besixhobo.
Ukusika isantya:
Insimbi engenasici idinga isantya esicothayo sokusika kunezinto ezithambileyo zokuthintela ubushushu obugqithisileyo kunye nokusebenza nzima. Uluhlu olucetyiswayo lokusika isantya sensimbi engenasici yi-100 ukuya kwi-350 sfm (ubuso beenyawo ngomzuzu).
Umyinge wesondlo:
Izinga lokutya kwensimbi engenasici kufuneka lincitshiswe ukuphepha ukuqina komsebenzi kunye nokunxiba izixhobo. Izinga lokutya elicetyiswayo lidla ngokuba yi-0.001 ukuya kwi-0.010 intshizi ngezinyo ngalinye.
Ukupholisa:
Ukupholisa okufanelekileyo kubalulekile ekwenzeni intsimbi engatyiwayo. Izinto zokupholisa ezinyibilikayo emanzini zikhethwa kunezipholisi ezisekwe kwi-oyile ukunqanda ukungcola kunye nokudleka. Ukupholisa okunoxinzelelo oluphezulu nako kunokuphucula ukuphuma kwetshiphu kunye nobomi besixhobo.
Ulawulo lwetshiphu:
Sintsimbi engenasiphelo ivelisa iitshiphusi ezinde, ezinentambo ezinokuba nzima ukuzilawula. Ukusebenzisa i-chip breakers okanye iinkqubo zokukhupha i-chip kunokunceda ukuthintela ukuvala i-chip kunye nomonakalo wesixhobo.
Yenziwe ngentsimbi eshayinayo sisishunqulelo sentsimbi engena acid-resistant. Imigangatho yentsimbi exhathisayo kwimithombo yeendaba ebuthathaka njengomoya, umphunga, kunye namanzi, okanye ineempawu ezingenasici zibizwa ngokuba yintsimbi engenasici; Umhlwa) Intsimbi edlekayo ibizwa ngokuba yintsimbi ekwaziyo ukumelana neasidi.
Intsimbi engatyiwayo ibhekisa kwintsimbi ekwaziyo ukumelana nemithombo yeendaba ebuthathaka njengomoya, umphunga, amanzi, kunye nemithombo yeendaba edlayo ngokwemichiza efana neasidi, ialkali, kunye netyuwa. Ikwabizwa ngokuba yintsimbi enganyangekiyo ene-asidi. Kwizinto ezisetyenziswayo, intsimbi ekwaziyo ukumelana nentsimbi ebuthathaka idla ngokubizwa ngokuba yintsimbi engatyiwa, kwaye intsimbi ekwaziyo ukumelana nemichiza ephakathi ibizwa ngokuba yintsimbi ekwaziyo ukumelana neasidi. Ngenxa yomahluko kukwakheka kweekhemikhali phakathi kwezi zimbini, eyokuqala ayinyanzeli ukuba ixhathise kwi-corrosion ye-chemical media, ngelixa le yokugqibela ayinamabala. Ukuxhatshazwa kwe-corrosion yensimbi engenasici kuxhomekeke kwizinto ezixutywayo eziqulethwe kwintsimbi.
Iindidi eziqhelekileyo:
Ngokuqhelekileyo yahlulahlulwe kumbutho we-metallographic:
Ngokubanzi, intsimbi yentsimbi eqhelekileyo yahlulwe yaziindidi ezintathu ngokwesakhiwo se-metallographic: i-austenitic stainless steel, ferritic steel stainless, kunye ne-martensitic stainless steel. Ngokwesiseko sezi ntlobo zintathu zeziseko ze-metallographic ezisisiseko, i-duplex steels, i-precipitation iqinisa i-stainless steels, kunye ne-high-alloy steels kunye nomxholo wentsimbi engaphantsi kwama-50% athathwe kwiimfuno kunye neenjongo ezithile.
1. Austenitic steel stainless.
I-matrix ikakhulu iqulunqwe yisakhiwo se-austenite (isigaba se-CY) kunye nesakhiwo se-cubic crystal ejongene nobuso, i-non-magnetic, kwaye iyomelezwa ngokukodwa ngokusebenza okubandayo (kwaye kunokukhokelela kwiimpawu ezithile zamagnetic) insimbi engenasici. I-American Iron and Steel Institute iphawulwe ngamanani kwi-200 kunye ne-300 series, njenge-304.
2. Ferritic steel stainless.
I-matrix ubukhulu becala i-ferrite (isigaba) esinomzimba ogxile kwi-cubic crystal structure. Inomagnetic kwaye ayinako ukwenziwa lukhuni lunyango lobushushu, kodwa ukusebenza okubandayo kungayenza yomelezwe kancinci. I-American Iron and Steel Institute iphawulwe nge-430 kunye ne-446.
3. Martensitic steel stainless.
I-matrix yi-martensitic (i-cubic egxilwe kumzimba okanye i-cubic), i-magnetic, kunye neempawu zayo zomatshini zingatshintshwa ngonyango lobushushu. I-American Iron and Steel Institute iphawulwe ngamanani angama-410, 420 kunye nama-440. I-Martensite inesakhiwo se-austenite kwiqondo lokushisa eliphezulu, kwaye xa lipholile kwiqondo lokushisa eliqhelekileyo, isakhiwo se-austenite sinokuguquka sibe yi-martensite (oko kukuthi, ukuqina).
4. I-Austenitic-ferritic (duplex) insimbi engenasici.
I-matrix inezo zombini i-austenite kunye ne-ferrite isakhiwo sesigaba sesibini, kwaye umxholo we-matrix yesigaba esingaphantsi ngokubanzi ungaphezulu kwe-15%. Inomagnetic kwaye inokomelezwa ngokusebenza okubandayo. I-329 yintsimbi eqhelekileyo ye-duplex. Xa kuthelekiswa ne-austenitic stainless steel, i-duplex steel inamandla aphezulu, ukumelana ne-intergranular corrosion, i-chloride yoxinzelelo lwe-corrosion resistance kunye ne-pitting corrosion resistance iphuculwe kakhulu.
5. Imvula yenza lukhuni intsimbi engatyiwayo.
I-matrix yi-austenite okanye i-martensite, kwaye inokwenziwa lukhuni yimvula eyenza lukhuni isinyithi esingenasici. I-American Iron and Steel Institute iphawulwe ngamanani e-series angama-600, afana ne-630, eyi-17-4PH.
Ngokuqhelekileyo, ngaphandle kwe-alloys, ukuxhatshazwa kwe-corrosion ye-austenitic stainless steel ibalasele kakhulu. Kwindawo engaphantsi kwe-corrosion, i-ferritic stainless steel ingasetyenziswa. Kwimeko-bume engcolisayo, ukuba izinto ezifunekayo ukuba zibe namandla aphezulu okanye ubunzima obuphezulu, intsimbi ye-martensitic stainless steel kunye nemvula eqinile insimbi engenasici ingasetyenziswa.
Iimpawu kunye nokusetyenziswa:
Unyango lomphezulu:
Umahluko wokutyeba
1. Ngenxa yokubacnc intsimbi yokugayaoomatshini bakwinkqubo yokuqengqeleka, imiqulu ikhubazeke kancinane bubushushu, nto leyo ekhokelela ekutenxeni kubunzima beepleyiti eziqengqelekayo, ezithi zityebe ngokubanzi embindini kwaye zibe bhityile macala omabini. Xa ulinganisa ubukhulu bebhodi, urhulumente uchaza ukuba inxalenye ephakathi yentloko yebhodi kufuneka ilinganiswe.
2. Isizathu sokunyamezela kukuba ngokweemarike kunye neemfuno zabathengi, ngokuqhelekileyo ihlukaniswe ibe yinyameko enkulu kunye nokunyamezelana okuncinci: umzekelo.
Loluphi uhlobo lwentsimbi engatyiwayo lula ukurusa?
Kukho izinto ezintathu eziphambili ezichaphazela ukubola kweintsimbi engatyiwa ngoomatshini:
1. Umxholo wezinto zokudibanisa.
Ngokuqhelekileyo, intsimbi enomxholo we-chromium ye-10.5% ayilula ukurusa. Ukuphakama komxholo we-chromium kunye ne-nickel, ngcono ukuxhathisa ukubola. Ngokomzekelo, umxholo we-nickel kwizinto ezingama-304 kufuneka ube ngu-8-10%, kwaye umxholo we-chromium kufuneka ufikelele kwi-18-20%. Intsimbi enjalo engenasici ayiyi kugqwala phantsi kweemeko eziqhelekileyo.
2. Inkqubo yokunyibilika kweshishini lokuvelisa iya kuchaphazela nokumelana nokubola kwensimbi engenasici.
Iifektri ezinkulu zensimbi ezingenasici ezinobuchwephesha bokunyibilikisa kakuhle, izixhobo eziphambili kunye nobuchwepheshe obuphambiliisiqinisekiso solawulo lwezinto ze-alloy, ukususwa kokungcola, kunye nokulawulwa kobushushu bokupholisa i-billet. Ngoko ke, umgangatho wemveliso uzinzile kwaye unokwethenjelwa, kunye nomgangatho wangaphakathi omhle kwaye akulula ukugqwala. Ngokuchasene noko, ezinye izixhobo ezincinci zentsimbi zinezixhobo ezibuyela ngasemva kunye nobuchwepheshe obungasemva. Ngethuba lenkqubo yokunyibilikisa, ukungcola akunakususwa, kwaye iimveliso eziveliswayo ngokuqinisekileyo ziya kugqwala.
3. Imeko-bume yangaphandle, indawo eyomileyo nengena umoya akulula ukurusa.
Ukufuma komoya kuphezulu, imozulu yemvula eqhubekayo, okanye indawo yokusingqongileyo ene-pH ephezulu emoyeni kulula ukurusa. I-304 insimbi engenasici, ukuba indawo engqongileyo imbi kakhulu, iya kugqwala.
Indlela yokujongana namabala omhlwa kwintsimbi engenasici?
1. Indlela yeMichiza
Sebenzisa i-pickling cream okanye i-spray ukuncedisa ukugqithiswa kwakhona kweendawo eziqhumayo ukwenza ifilimu ye-chromium oxide ukubuyisela ukuxhathisa ukubola. Emva kokukhetha, ukuze kususwe zonke izinto ezingcolileyo kunye neentsalela ze-asidi, kubaluleke kakhulu ukuhlamba ngokufanelekileyo ngamanzi acocekileyo. Emva kwayo yonke impatho, phinda upholise ngezixhobo zokuthambisa kwaye utywine nge-wax yokupolisha. Kwabo banamabala omhlwa amancinci, ungasebenzisa umxube we-1: 1 wepetroli kunye ne-oyile ye-injini ukuze usule iindawo ze-rust nge rag ecocekileyo.
2. Indlela yomatshini
Ukuqhushumba kwesanti, ukudutyulwa kweglasi okanye amasuntswana e-ceramic, obliteration, brushing and polishing. Kuyenzeka ukuba kucinywe ungcoliseko ngoomatshini kwimathiriyeli esuswe ngaphambili, imathiriyeli yokugulisa okanye imathiriyeli etshabalalisayo. Zonke iintlobo zongcoliseko, ngakumbi iintsimbi zentsimbi zangaphandle, zinokuba ngumthombo wokubola, ngakumbi kwiindawo ezifumileyo. Ke ngoko, iindawo ezicocwe ngoomatshini kufuneka zicocwe ngokufanelekileyo phantsi kweemeko ezomileyo. Ukusetyenziswa kweendlela zoomatshini kunokucoca kuphela umphezulu, kwaye akunakutshintsha ukuchasana nokubola kwezinto ngokwazo. Ngoko ke, kucetyiswa ukuba uphinde uhlaziywe ngezixhobo zokupholisa emva kokucoca ngoomatshini kunye nokutywinwa nge-wax yokupholisa.
Imigangatho yensimbi engenasici kunye neempawu ezisetyenziswa ngokuqhelekileyo kwizixhobo
1. 304cnc steel stainless. Yenye yezona zinto zisetyenziswa kakhulu i-austenitic stainless steels. Ilungele ukwenziwa kweendawo ezitsalwa nzulu kunye nemibhobho yeasidi, izikhongozeli, iindawo zesakhiwo, kunye nemizimba yezixhobo ezahlukeneyo. Isenokusetyenziswa ukwenza izixhobo ezingezizo-magnetic, ezinobushushu obuphantsi kunye nenxalenye.
2. 304L intsimbi engenasici. Ukuze kusonjululwe i-intergranular corrosion corrosion 304 phantsi kweemeko ezithile ngenxa yemvula ye-Cr23C6, i-ultra-low carbon austenitic steel stainless steel iyaphuhliswa, kwaye ukuchasana kwayo kwi-intergranular corrosion kwimo ye-sensitized ingcono kakhulu kunoko 304 intsimbi engatyiwayo. Ngaphandle kwamandla asezantsi kancinci, ezinye iipropathi ziyafana ne-321 yentsimbi engenasici. Isetyenziselwa ikakhulu izixhobo ezinganyangekiyo kwi-corrosion kunyeiindawo eziguquliweyo ezichanekileyoleyo ayinakuba sisisombululo esiqinileyo siphathwe emva kwe-welding. Ingasetyenziselwa ukwenza izixhobo ezahlukeneyo zezixhobo, njl.
3. 304H intsimbi engenasici. Isebe langaphakathi le-304 yensimbi engenasici ine-carbon mass fraction ye-0.04% -0.10%, kwaye ukusebenza kwayo okuphezulu kweqondo lokushisa kungcono kune-304 yensimbi engenasici.
4. 316 intsimbi engenasici. Ukongeza i-molybdenum ngesiseko sentsimbi ye-10Cr18Ni12 yenza ukuba intsimbi ibe nokuchasana okulungileyo ekunciphiseni ukuxhathisa okuphakathi kunye ne-pitting corrosion. Kumanzi olwandle kunye neminye imithombo yeendaba ezahlukeneyo, ukuxhathisa umhlwa kubhetele kune-304 yentsimbi engatyiwayo, kwaye isetyenziselwa ikakhulu ukugalela izixhobo ezinganyangekiyo kwi-corrosion.
5. 316L intsimbi engenasici. Intsimbi yekhabhoni ephantsi kakhulu, ekwaziyo ukumelana nokunyangwa kwe-intergranular corrosion, ilungele ukwenziwa kwamalungu adityanisiweyo kunye nezixhobo ezinobukhulu obunqamlezileyo obunqamlezayo, njengezinto ezikwaziyo ukumelana nomhlwa kwizixhobo zepetrochemical.
6. 316H intsimbi engenasici. Isebe langaphakathi le-316 yensimbi engenasici ine-carbon mass fraction ye-0.04% -0.10%, kwaye ukusebenza kwayo okuphezulu kweqondo lokushisa kungcono kunoko kwe-316 yensimbi engenasici.
7. 317 intsimbi engenasici. Ukuchasana nokugqwala kwe-pitting kunye nokuxhathisa ukukhasa kungcono kune-316L yentsimbi engatyiwayo, esetyenziswa ekwenzeni i-petrochemical kunye ne-organic acid ekwazi ukumelana nomhlwa.
8. 321 intsimbi engenasici. I-Titanium-stabilized austenitic steel stainless steel, yongeza i-titanium ukuphucula i-intergranular corrosion resistance, kwaye ineempawu ezilungileyo zokushisa eziphezulu zokushisa, inokutshintshwa yintsimbi ye-ultra-low carbon austenitic stainless steel. Ngaphandle kwezihlandlo ezikhethekileyo ezifana nobushushu obuphezulu okanye ukuxhathisa kwe-hydrogen corrosion, ayikhuthazwa ukusetyenziswa ngokubanzi.
9. 347 intsimbi engenasici. I-Niobium-stabilized austenitic steel stainless steel, idibanisa i-niobium ukuphucula i-intergranular corrosion resistance, i-corrosion resistance kwi-asidi, i-alkali, ityuwa kunye nezinye izinto ezidliwayo ziyafana ne-321 yensimbi engenasici, ukusebenza kakuhle kwe-welding, ingasetyenziswa njengezinto ezixhathisayo kunye nentsimbi eshushu. isetyenziswa ikakhulu kumandla obushushu kunye nemimandla yepetrochemical, efana nokwenza izikhongozeli, imibhobho, izitshintshi zobushushu, iishafti, iityhubhu zomlilo kwiziko lamashishini, kunye neethemometha zetyhubhu.
10. 904L intsimbi engenasici. Intsimbi egqibeleleyo ye austenitic yintsimbi egqwesileyo ye austenitic engatyiwa yintsimbi eyaqanjwa yiNkampani ye-Outokumpu yaseFinland. I-nickel mass fraction yayo yi-24% -26%, i-carbon mass fraction ingaphantsi kwe-0.02%, kwaye inokumelana nokugqwesa okugqwesileyo. , inokumelana ne-corrosion efanelekileyo kwii-asidi ezingenayo i-oxidizing ezifana ne-asidi ye-sulfuric, i-acetic acid, i-fomic acid, i-asidi ye-phosphoric, kwaye inokumelana ne-crevice corrosion kunye noxinzelelo lwe-corrosion resistance. Ifanelekile i-asidi ye-sulfuric yeentlobo ezahlukeneyo ezingaphantsi kwe-70 ° C, kwaye inokumelana ne-corrosion efanelekileyo kwi-acetic acid yayo nayiphi na i-concentration kunye nokushisa phantsi koxinzelelo oluqhelekileyo kunye ne-asidi edibeneyo ye-fomic acid kunye ne-acetic acid. Umgangatho wokuqala we-ASMESB-625 wawuchaza njenge-alloy-based alloy, kwaye umgangatho omtsha wawuchaza njengensimbi engenasici. I-China kuphela ibakala elifanayo le-015Cr19Ni26Mo5Cu2 yensimbi, kwaye abenzi bezixhobo ezimbalwa zaseYurophu basebenzisa i-904L yensimbi engenasici njengento ebalulekileyo. Ngokomzekelo, ityhubhu yokulinganisa i-mass flow meter ye-E + H yenziwe nge-904L yensimbi engenasici, kwaye imeko yeewashi ze-Rolex nazo zenziwe nge-904L yensimbi engenasici.
11. 440C steel stainless. I-Martensitic steel stainless steel inobunzima obuphezulu phakathi kwentsimbi eqinileyo elukhuni kunye nentsimbi engenasici, enobunzima be-HRC57. Isetyenziswa ikakhulu ukwenza imilomo, iibheringi, iintsimbi zevalvu, izihlalo zevalvu, imikhono, iziqu zevalvu, njl.
12. 17-4PH intsimbi engenasici. Imvula ye-Martensitic eyenza lukhuni intsimbi engatyiwayo, enobulukhuni be-HRC44, inamandla amakhulu, ukuqina kunye nokumelana nomhlwa, kwaye ayinakusetyenziswa kumaqondo obushushu angaphezu kwama-300°C. Inokumelana ne-corrosion efanelekileyo kwi-atmosfera kunye ne-asidi edibeneyo okanye ityuwa. Ukuxhatshazwa kwayo kwe-corrosion kufana ne-304 yensimbi engenasici kunye ne-430 yensimbi engenasici. Isetyenziselwa ukwenza amaqonga angaphesheya kolwandle, iiblade zeinjini yomoya, iintsimbi zevalvu, izitulo zevalvu, imikhono, kunye neziqu zevalvu. yima.
Kwintsimi ye-instrumentation, idibaniswe nokuguquguquka kunye nemiba yeendleko, i-austenitic stainless stainless ulandelelwano oluqhelekileyo lwe-304-304L-316-316L-317-321-347-904L insimbi engenasici, apho i-317 ingasetyenziswanga kancinci, i-321 ayikhuthazwa. , kunye ne-347 isetyenzisiweyo Ngenxa yokushisa okuphezulu kunye nokuxhathisa ukubola, i-904L yinto engagqibekanga kuphela yamacandelo athile abenzi ngabanye, kwaye i-904L ngokuqhelekileyo ayikhethwanga ngokusebenzayo kuyilo.
Ekuqulunqweni nasekukhethweni kwezixhobo, ngokuqhelekileyo kukho amaxesha apho izinto zesixhobo zihluke kwipayipi, ngokukodwa kwiimeko eziphezulu zokushisa. Ingqwalasela ekhethekileyo kufuneka ihlawulwe ukuba ngaba ukhetho lwezixhobo zesixhobo ludibana nobushushu boyilo kunye noxinzelelo loyilo lwezixhobo zenkqubo okanye umbhobho, njengepayipi I-high-temperature ye-chrome-molybdenum steel, kwaye isixhobo senziwe ngensimbi engenasici. Ngeli xesha, iingxaki zinokwenzeka. Kuyimfuneko ukubonisana neqondo lokushisa kunye noxinzelelo lwexabiso lezinto ezifanelekileyo.
Kuyilo kunye nokukhethwa kwezixhobo, iintsimbi ezingenasici zeenkqubo ezahlukeneyo, uchungechunge, kunye namabakala ahlala edibana. Xa ukhetha iintlobo, iingxaki kufuneka ziqwalaselwe ukusuka kwii-angles ezininzi ezifana nenkqubo yemidiya ethile, ubushushu, uxinzelelo, iindawo ezigxininisiweyo, ukubola kunye neendleko.
Qhubeka nokuphucula, ukuqinisekisa umgangatho wemveliso ngokuhambelana nemarike kunye neemfuno ezisemgangathweni zabathengi. I-Anebon inenkqubo yoqinisekiso lomgangatho iye yasekwa kuMgangatho oPhezulu we-2022 wePlastiki ye-Hot Sales ye-POM ye-ABS Izixhobo Zokubhobhoza i-CNC Machining Turning Part Service, Trust Anebon kwaye uya kuzuza ngakumbi. Qiniseka ukuba ngokwenene uziva ukhululekile ukuba uqhagamshelane nathi ngeenkcukacha ezongezelelweyo, i-Anebon ikuqinisekisa ngengqalelo yethu ngamaxesha onke.
Umgangatho ophezulu weendawo ezisecaleni ze-auto, iinxalenye zokugaya kunye neentsimbi ezijikiweyo ezenziwe eChina iAnebon. Iimveliso ze-Anebon zifunyenwe ngakumbi nangakumbi ukuqondwa kubathengi bamanye amazwe, kwaye zisekwe ixesha elide kunye nobudlelwane bentsebenziswano kunye nabo. I-Anebon iya kubonelela ngeyona nkonzo ilungileyo kuye wonke umthengi kwaye yamkele ngokunyanisekileyo abahlobo ukuba basebenze ne-Anebon kwaye baseke inzuzo efanayo kunye.
Ixesha lokuposa: Apr-21-2023