Inkqubo yokuPholisa umatshini wokuWelding we-Spot: 'Umnxeba woBomi' woMgangatho weWelding kunye noBomi obude beSixhobo.
Iumatshini wokuwelda indawosisixhobo esibalulekileyo kumacandelo okwenziwa kwemveliso anjengeemoto, i-aerospace, kunye ne-elektroniki echanekileyo. Ukusebenza kwayo{1}okuphezulu kunye nokusebenza okuzinzileyo ngundoqo ekuqinisekiseni umgangatho wemveliso kunye nemveliso. Nangona kunjalo, phantsi kwe{3}}isantya esiphezulu, esiphakamileyo{4}}seemeko zokusebenza zangoku zesixhobo, ukubaluleka kwenkqubo yokupholisa kuhlala kujongelwa phantsi. Enyanisweni, inkqubo yokupholisa ayisosixhobo nje esincedisayo; 'ngumgca wobomi' oqinisekisa-ixesha elide, ukusebenza okuzinzileyo kwe-MFDC welder.
Eli nqaku liza kubonelela ngo{0}}uhlalutyo olunzulu lwenkqubo yokupholisa umsebenzi ongundoqo, libonise "uMgangatho weGolide" ogunyazisiweyo wamanzi okupholisa, kwaye linike iinkcukacha, iingcebiso zolungiso olusebenzayo ukunceda isixhobo sakho ukuba sifezekise ukusebenza kakuhle.
I. Kutheni le nto iNkqubo yokuPholisa 'inguMda woBomi' we-MFDC Welder?
Ngexesha lenkqubo yokuwelda, amacandelo angundoqo we-MFDC welder{0}}i-welding transformer, iimodyuli ze-SCR/IGBT, iingcebiso ze-electrode, kunye namanzi{1}}iintambo ezipholileyo{2}}zivelisa ubushushu obubalulekileyo be-Joule. Kwi-inverter eqhelekileyo{4}}uhlobo lwe-MFDC welder, ukusebenza rhoqo kunokufikelela kwi-1000Hz, oku kuthetha ukuba ubushushu budaleka ngokukhawuleza kuneentsimbi ze-AC zemveli. Ukuba obu bushushu abuchithwanga ngokukhawuleza nangempumelelo, buya kukhokelela ngqo kule miba mithathu ibalulekileyo ilandelayo:
1. Usongelo olufihlakeleyo kuMgangatho we-Welding: Ukonyuka koKuxhathisa kunye ne-Weld Nuggets engazinzanga
- Ukuxhathisa kunye nokuLahla kwangoku: Ngokwemigaqo yefiziksi, ukuxhathisa kombane kwesinyithi konyuka ngobushushu. Xa iingcebiso ze-electrode kunye namanzi{1}}iintambo ezipholileyo zishushu kakhulu, ukuxhathisa kwisekethe kuyenyuka kakhulu, okubangela ukuba ukwehla kwewelding okwangoku. Oku kuguquguquka kwangoku kunye nokunciphisa kubangela ubungakanani obungazinzanga be-weld nugget, ukuphazamisa ngokuthe ngqo amandla kunye nokuhambelana kwe-weld joint.
- I-Electrode Deformation kunye ne-Indentation: Inqaku le-electrode licandelo elibalulekileyo elidibanisa ngokuthe ngqo nomsebenzi. Xa ubushushu bayo bugqitha kwindawo yokuthamba kwayo (umzekelo, malunga ne-500℃yeChromium{4}}iZirconium{5}}iCopper electrode), incam iyathamba ngokukhawuleza kwaye yonakele. Oku kukhokelela kwindawo yoqhagamshelwano eyongeziweyo, ukunciphisa ukuxinana kwangoku, kwaye ekugqibeleni, i-weld ephantsi okanye i-indentation engaphezulu.
2. I-Accelerator ye-Equipment Wear: Isongelo esibulalayo kwiiNgxelo ze-Electronic Components
- I-IGBT / SCR Module Overheating: Intliziyo ye-MFDC inverter welder yimodyuli ye-IGBT okanye ye-SCR. La malungu anamandla abuthathaka kakhulu kubushushu. Abavelisi bachaza ukuba obona bushushu buphezulu beJunction kwimodyuli ye-IGBT mayingagqithi kwi-150℃. Ukuba amanzi okupholisa ayasilela okanye ubushushu bamanzi buphezulu kakhulu, ubushushu besiphambuka buya kudlula ngokukhawuleza lo mda okhuselekileyo, okhokelela ekuthotyweni kokusebenza okanye ukutshiswa kwangoko kwemodyuli, okukhokelela ekulungisweni kweendleko kunye nexesha lokuphumla.
- Ukuguga kweTransformer Insulation: Ukubonakaliswa kwexesha elide kwe-welding transformer kumaqondo okushisa aphezulu kukhawuleza ukuguga kwezinto zayo zangaphakathi zokugquma, kunciphisa kakhulu ubomi benkonzo ye-transformer.
3. Umqobo wokuSebenza ngokuSebenzayo: Ukunyuka kwexesha lokuphumla kunye noTshintsho lwe-Electrode
- Ukupholisa okungonelanga kukhawulezisa ukunxiba kwe-electrode, kunyanzela abaqhubi ukuba bamise rhoqo umatshini ukuba batshintshe okanye banxibe i-electrode. Oku kunciphisa ngokuthe ngqo uMjikelo woMsebenzi wesixhobo kunye nokusebenza kakuhle kwemveliso.
II. 'Umgangatho weGolide' kunye neeNkcukacha eziPhambili zaManzi okuPholisa i-MFDC Welder
Ukuqinisekisa ukuba isixokelelwano sokupholisa sisebenza ngokufanelekileyo, umgangatho, umlinganiselo wokuqukuqela, kunye nobushushu bamanzi okupholisa kufuneka kulawulwe ngokungqongqo. Ezi parameters zintathu zenza "uMgangatho weGolide" wenkqubo yokupholisa.
1. UMgangatho woMgangatho waManzi okupholisa: Ubunyulu bubaluleke kakhulu
Abashiseli be-MFDC basebenzisa amanzi adiyiweyo okanye adiyiweyo njengendawo yokupholisa ukuqinisekisa ukuhanjiswa kombane okuphantsi. Amanzi aneconductivity ephezulu anokudala indlela yombane, enokuthi ingagqwali nje kuphela amalungu esinyithi angaphakathi kodwa ibangele ukuvuza okuphezulu kwangoku, okuchaphazela ukuchaneka kolawulo lwe-welding kwaye kunokukhokelela kwiingozi zokhuseleko.
| Ipharamitha | Umgangatho ocetyiswayo | Impembelelo kunye neziphumo | |
| 1 | Ukuqhuba | < 50 μS/cm (Micro-Siemens/cm) | Ukugqithisa eli xabiso kunokukhokelela-kubuqhetseba obuvuzayo obuphezulu kunye nokubola kwamalungu angaphakathi. Ixabiso elifanelekileyo kufuneka libe ngaphantsi kwe-10 μS / cm. |
| 2 | Ixabiso le-pH | 6.5 - 7.5 (Ngaphakathi) | Amanzi aneasidi kakhulu okanye anealkaline kakhulu aya konakalisa imibhobho namatywina. |
| 3 | Ukuqina | < 100 ppm (Total Hardness) | Ubulukhuni obuphezulu bukhokelela ngokulula ekwakhiweni kwesikali, ukuvala imisele yamanzi kunye nokunciphisa ukusebenza kakuhle kokutshintshiselana kobushushu. |
| 4 | I-antifreeze | Sebenzisa isisipholisi esichubekileyo (umzekelo, i-Ethylene Glycol) njengoko kucetyiswa | Okuyimfuneko kwindawo engaphantsi kwe-0 degree; Ugxininiso kufuneka lulandele imiyalelo yomenzi. |
2. Ukupholisa uMgangatho wokuHamba kwaManzi: Ukuqinisekisa ukususwa kobushushu okwaneleyo
Izinga lokuhamba kwamanzi okupholisa kufuneka lihlangabezane neemfuno ezincinci ezibekwe ngumenzi wezixhobo zokuqinisekisa ukuba ubushushu obaneleyo bususiwe kwiyunithi nganye yexesha. Ukuhamba okungonelanga yeyona nto ixhaphakileyo ye-electrode kunye nobushushu bemodyuli.
- ISingqinisiso seDatha esiGunyaziweyo: Ngokusekelwe kwimigangatho yoshishino kunye neenkcukacha zezixhobo, izinga lokuhamba kwamanzi okupholisa kwii-MFDC spot welders ngokuqhelekileyo lifuneka ukuba libe phakathi kwe-10 L/min kunye ne-20 L/min, kuxhomekeke kumandla omtshisi kunye nomjikelo womsebenzi. Ngokomzekelo, i-welder ye-MFDC elinganiswe kwi-100kVA inokufuna izinga lokuhamba elingekho ngaphantsi kwe-12 L / min.
- Isiphumo sokungaHambi okungonelanga: Ukuhla kwesantya sokuhamba nge-10% kunokubangela ukuba ubushushu be-electrode bunyuke ngaphezu kwe-5 degree, ngaloo ndlela kukhawuleziswe ukunxiba kwe-electrode.
3. UMgangatho woBubushushu baManzi okupholisa: Ukuzinzisa 'iNdawo yokuthuthuzela'
Ubushushu bamanzi okupholisa luphawu oluthe ngqo lokusebenza kokutshabalalisa ubushushu. Amanzi ashushu kakhulu ayawunciphisa umahluko wobushushu bokudluliselwa kobushushu, athintele ukususwa kobushushu okusebenzayo.
- Uluhlu lokulawula ubushushu: Ubushushu obufanelekileyo bokungena kwamanzi okupholisa kufuneka bugcinwe phakathi kwama-20 kunye nama-30 degrees. Iqondo lokushisa lokuphuma akufanele lidlule i-40 degree.
- Ukushisa okuPhambili okuLawulayo: Umahluko phakathi kweqondo lokushisa lokungena kunye nokuphuma kwamanzi (ΔT) kufuneka ligcinwe phakathi kwe-5℃kunye ne-10 degree. Umahluko omkhulu kakhulu unokubonisa ukuhamba okunganeleyo okanye ukuveliswa kobushushu obugqithisileyo kwisixhobo; Umahluko omncinci kakhulu unokucebisa ukupholisa okusebenzayo ngokugqithisileyo okanye umthwalo ophantsi wesixhobo.
III. ULondolozo oluneenkcukacha kunye neeNgcebiso eziSebenzayo ze-MFDC Welder Cooling System
Ukudibanisa ukugcinwa kwenkqubo yokupholisa kwishedyuli yesiqhelo yokugcina linyathelo elilumkileyo lokuqinisekisa imveliso egudileyo. Apha ngezantsi kukho ishedyuli yogcino oluneenkcukacha enengcebiso esebenzayo:
| UMjikelo wesondlo | Into yesondlo | Inkqubo eneenkcukacha kunye neeNgcebiso eziSebenzayo | |
| 1 | Yonke imihla/Ishifti nganye | Phambi{{0}Qala uJonga |
1. UHlolo oluBonakalayo: Qwalasela inqanaba letanki yamanzi kwaye ujonge imibhobho kunye nezinto ezifakelwa kuzo nakuphi na ukuvuza. 2. Ukuqinisekiswa kokuhamba: Jonga imitha yokuhamba (okanye i-gauge ye-pressure gauge) ukufunda ukuqinisekisa ukuba ukuhamba kuhlangabezana neemfuno zezixhobo (umzekelo, i-12 L / min). 3. Ukujongwa koBubushushu: Qinisekisa ukuba iqondo lobushushu letanki yamanzi liphakathi kwama-20℃-30 degrees. |
| 2 | Rhoqo ngeveki | Uvavanyo olulula loMgangatho waManzi | Sebenzisa imitha ye-conductivity ephathekayo ukuvavanya ngokukhawuleza ukuhanjiswa kwamanzi okupholisa, ukuqinisekisa ukuba kuhlala ngaphantsi kwe-50 μS / cm. |
| 3 | Ngenyanga | Ukucocwa kweSekethi yaManzi kunye nokuHlola ukuHlola |
1. I-Filter ecocekileyo: Vala ipompo, susa isihluzo samanzi, kwaye uhlambulule i-mesh yayo nayiphi na i-debris okanye iincinci. 2. Hlola iMpompo: Mamela ukusebenza kwempompo yesiqhelo kwaye ujonge nakuphi na ukungcangcazela okungaqhelekanga okanye ingxolo. |
| 4 | Ngekota | Uhlalutyo oluBanzi lwaManzi kunye noTshintsho |
1. Uhlalutyo lwamanzi: Yenza uvavanyo olupheleleyo lwe-pH, ukuqina, kunye ne-conductivity. 2. Buyisela amanzi okupholisa endaweni: Kucetyiswa ukuba utshintshe amanzi okupholisa ubuncinane kanye ngekota kwaye usebenzise isicoci sesekethe esichwepheshile ukwenza ukucoca okujikelezayo kwenkqubo yonke ukususa isikali kunye ne-biological sludge. |
| 5 | Qho ngonyaka | Kwi-Ugcino Lwesistim enzulu |
1. Hlola i-Heat Exchanger: Jonga i-condenser fins kunye ne-evaporator ye-chiller okanye i-heat exchanger ukuqinisekisa ukuba ayinalo uthuli kunye ne-debris, iqinisekisa ukuchithwa kakuhle kobushushu. 2. Hlola Amanzi{1}}Iintambo ezipholileyo: Jonga ukuba bhetyebhetye kunye nokutywinwa kwamanzi{2}}iintambo ezipholileyo. Iintambo ezindala okanye ezomeleleyo kufuneka zitshintshwe ngokukhawuleza ukuthintela ukuvaleka komjelo wangaphakathi wamanzi. |
Iingcebiso eziSebenzayo:
- 1.Sebenzisa iNkqubo yokuPholisa iLoop evaliweyo (iChiller): Xa ithelekiswa nokuvula -ukupholisa amanzi etephu yelophu, kusetyenziswa i-industrial chiller ebonelela ngolawulo oluphezulu kubushushu bamanzi, umgangatho, kunye nesantya sokuqukuqela, ukuphumeza ukujikeleziswa kwelophu evaliweyo{3}}. Olu lolona khetho lufanelekileyo lokuqinisekisa ukusebenza okuzinzileyo kwe-welder ye-MFDC.
- 2.Faka i-Flow and Temperature Alarms: Faka i-flows kunye neqondo lokushisa kwiisekethe zamanzi ezibalulekileyo (ezifana nemodyuli ye-IGBT kunye neendlela zamanzi ze-electrode) kwaye udibanise kunye nenkqubo yokulawula i-welder. Ukuba ukuhamba kwehla ngaphantsi kwexabiso elimiselweyo okanye iqondo lokushisa lidlula i-degrees 40 , i-welder kufuneka ivale ngokukhawuleza kwaye iqalise i-alamu, inikeze ukukhuselwa kwezixhobo ezisebenzayo.
- 3. Ingozi kunye noThintelo lweSikali: Nokuba ngamanzi acocekileyo, ukwakhiwa kwesikali esincinci kunokwenzeka ngokuhamba kwexesha. Isikali sine-thermal conductivity ephantsi kakhulu, kuphela malunga ne-1/400 yobhedu. Umaleko wesikali nje oyi-0.5mm kudonga lwangaphakathi lomjelo wamanzi we-electrode unokunciphisa kakhulu ukusebenza kakuhle kokutshabalalisa ubushushu, wenze bufutshane ubomi be-electrode ngaphezu kwama-50%. Ke ngoko, ukuhla rhoqo ngeearhente zokucoca ezikhethekileyo kubalulekile.
Ukuqukumbela
Inkqubo yokupholisa ye-MFDC welder ikude kwi-accessory enokuchithwa; yeyona nto iphambili eqinisekisa umgangatho we-welding, yandisa ubomi besixhobo, kwaye inyusa impumelelo yemveliso. Ukuqonda ngokuchanekileyo "uMgangatho weGold" wamanzi okupholisa{1}}i-conductivity ephantsi, ukuhamba ngokwaneleyo, kunye nobushushu obuzinzileyo{2}}kunye nokubambelela ngokungqongqo kwisicwangciso sogcino oluneenkcukacha lulwazi oluyimfuneko kuye wonke umsebenzisi we-MFDC welder kunye nogcino logcino. Ukubandakanya ukugcinwa kwenkqubo yokupholisa kugcino lwakho lwesiqhelo linyathelo lobulumko eligcina iindleko kwaye liphucule umgangatho wemveliso yeshishini lakho.
