Isingeniso
Ekwenziweni kwezimboni, ikhwalithi yokushisela ithinta ngqo ukusebenza komkhiqizo kanye neminyaka yokuphila.Medium Frequency Inverter Spot Weldersasetshenziswa kabanzi ngenxa yamakhono abo okushisela asebenza kahle futhi azinzile, kodwa ukuthi isakhiwo se-metallographic sejoyinti elihlanganisiwe sifanelekile yini sidinga ukuqinisekiswa ngokuhlolwa kochwepheshe. Lesi sihloko sihlaziya amaphuzu abalulekile okuhlolwa kwe-metallographic kwamashisela okwenziwa ama-Medium Frequency Inverter Spot Welders.
1. Izinjongo Eziyinhloko Zokuhlola I-Metallographic
Ukuhlolwa kwe-Metallographic kuhloswe ukuhlola i-microstructure, ukusatshalaliswa okusanhlamvu, kanye nokukhubazeka endaweni yokushisela. Kuma-Medium Frequency Inverter Spot Welders, izici zawo zokushisela (isb, ukushisa okuncane{3}}indawo ethintekile, amandla agxilile) zisho ukuthi ukuhlola kufanele kugxile kulezi zinkomba ezilandelayo:
- I-Grain Refinement Degree ku-Nugget Zone: I-Medium Frequency Inverter Spot Welders ifinyelela ukushisisa okusheshayo ngokusebenzisa i-inverter yamanje engu-1000Hz. Usayizi wokusanhlamvu wendawo ye-Nugget ngokuvamile ulawulwa phakathi kuka-5-15μm, uphakeme kuno-20-30μm we-AC welding yendabuko, unciphisa ubungozi bokukhwabanisa.
- Ukushisa-Ububanzi Bendawo Ethintekile: I-HAZ yama-Medium Frequency Inverter Spot Welders ngokuvamile aweqi ku-0.5mm. Ukubuka nge-Microscopic kuyadingeka ukuze kuhlolwe i-oxidation yomngcele wokusanhlamvu noma ukushiswa.
- I-Weld Joint Strength: Qinisekisa ngokuhlolwa okuqinile ukuthi amandla e-weld shear afinyelela ngaphezu kuka-80% yenani lethiyori lento.
2. Izinyathelo Ezibalulekile Zokuhlola I-Metallographic
- Ukulungiselela Isampuli: Ngemva kokuthatha isampula, ijoyinti elishiselwe kufanele ligxunyekwe, ligaywe, futhi lipholishwe ukuze kuqinisekiswe indawo{0}engenawo umklwebhi.
- Ukubuka Okuncane: Sebenzisa isibonakhulu se-metallographic at 100-500x magnification ukuze ubone i-grain morphology endaweni ye-nugget, indawo ethinteke ukushisa, nesisekelo sensimbi. Isibonelo, ama-weld steel weld nuggets asuka ku-Medium Frequency Inverter Spot Welder kufanele abonise okusanhlamvu okulinganayo ngaphandle kokuqhekeka okukhulu noma izimbotshana.
- I-Chemical Etching and Analysis: Sebenzisa i-electrolytic etching ukuze uveze imingcele yokusanhlamvu uphinde uhlole ukusebenza kahle kokucwenga okusanhlamvu. Ukuhlolwa komkhiqizi wezingxenye zezimoto kubonise ukuthi ama-weld steel weld nuggets angu-304 avela ku-Medium Frequency Inverter Spot Welder azuze ukufana kosayizi wokusanhlamvu okungu-95%, okungcono kakhulu kunemishini evamile.
3. Ukuqinisekiswa Kwezinzuzo Zezobuchwepheshe Ze-Medium Frequency Inverter Spot Welders
- Ukulawula Ukushisa Okugxilisiwe: Ama-Spot Welders E-Medium Frequency Inverter asebenzisa-ukukhishwa kwepulse okuvama kakhulu (amasekhondi angu-0.1-0.3) ukuze agxilise ukushisa endaweni yokushisela, ehlisa ukuhwamuka okusanhlamvu okubangelwa ukushisa ngokweqile kwensimbi eyisisekelo.
- Ukulungiswa Kwepharamitha Ehlakaniphile: Izinzwa ezakhelwe-ziqapha ingcindezi yamanje kanye nengcindezi ngesikhathi sangempela, igwema izinkinga ezibangelwa ukushintshashintsha kwepharamitha ngesikhathi sokushisela. Isibonelo, lapho ushisela ingxubevange ye-aluminium, i-Medium Frequency Inverter Spot Welder ingalawula izinga le-spatter elingaphansi kuka-1%.
- Ukuzinza Kwenqubo: Idizayini ye-modular kanye nezinhlelo zokupholisa ezisebenza kahle (umoya + uketshezi) ziqinisekisa ukuvumelana kwekhwalithi ye-weld idlula ama-98% ngesikhathi sokusebenza isikhathi eside.
4. Indaba Yokuhlola Ekusetshenzisweni Okusebenzayo
Inkampani entsha yebhethri yamandla isebenzise i-Medium Frequency Inverter Spot Welder ukushisela ithebhu. Imiphumela yokuhlolwa kwe-Metallographic yabonisa:
- Ukushisa kwe-weld{0}}ububanzi bendawo obuthintekile babungu-0.45mm, obuhlangabezana nezindinganiso zomkhakha (Ngaphansi noma kulingana no-0.6mm).
- Amandla we-shear we-shear ekuhlolweni okuqinile afinyelele ku-250MPa, edlula izidingo zedizayini (Enkulu noma elingana no-200MPa).
- Amabili kuphela kwayi-1000 amasampula abe ne-porosity encane, athola izinga lokuphasa elingu-99.8%.
Isiphetho
Ngokusebenzisa{0}}imvamisa ephezulu yamanje nobuchwepheshe bokulawula okuhlakaniphile,Medium Frequency Inverter Spot Weldersngcono kakhulu izinga microscopic amalunga ashiselwe. Ukuhlolwa kwe-Metallographic akukona nje ukuqinisekiswa kwenqubo yokushisela kodwa futhi kuyisixhumanisi esibalulekile ekuqinisekiseni ukwethembeka komkhiqizo. Ngaphansi kokuthambekela kokukhiqiza okuhlakaniphile, ukuba ingcweti kwezindlela zokuhlola i-metallographic zokushisela i-Medium Frequency Inverter Spot Welder kuzoba yikhono eliyinhloko lezinkampani zokuthuthukisa izinqubo zokushisela nokuthuthukisa ukuncintisana.
