Mawaya a aloyi a nickel-chromium (Nichrome) amagwiritsidwa ntchito kwambiri m'magawo otenthetsera, zamagetsi, ndi mafakitale chifukwa cha kukana kwawo kutentha kwambiri komanso magwiridwe antchito amagetsi okhazikika. Pakati pawo,Nicr7030ndiNicr8020Ndi mitundu iwiri yodziwika bwino, koma pali kusiyana kwakukulu pa kapangidwe kake, magwiridwe antchito, ndi momwe amagwiritsidwira ntchito. Pansipa pali kufananiza kwatsatanetsatane kuti kukuthandizeni kupanga zisankho zolondola pogula:

Kuyerekeza Kukula	Nicr7030	Nicr8020	Ma Model Ena Odziwika (monga, Nicr6040)
Kapangidwe ka Mankhwala	70% Nikeli + 30% Chromium	80% Nikeli + 20% Chromium	60% Nikeli + 40% Chromium
Kutentha Kwambiri Kopitilira Kugwiritsa Ntchito	1250°C (Nthawi yochepa yokwera: 1400°C)	1300°C (Nthawi yochepa yokwera: 1450°C)	1150°C (Nthawi yochepa yokwera: 1350°C)
Kukana kwa Magetsi (20°C)	1.18 Ω·mm²/m	1.40 Ω·mm²/m	1.05 Ω·mm²/m
Kusinthasintha (Kutalikirana pa Nthawi Yopuma)	≥25%	≥15%	≥20%
Kukana kwa okosijeni	Zabwino kwambiri (filimu ya Cr₂O₃ yokhuthala)	Filimu yabwino (yokhuthala kwambiri ya oxide)	Zabwino (zimatha kusweka mosavuta kutentha kwambiri)
Kutha kupotoka	Yapamwamba (yosavuta kulumikiza pogwiritsa ntchito njira zodziwika bwino)	Pakati (pamafunika kuwongolera molondola kwa magawo)	Wocheperako
Kugwiritsa Ntchito Ndalama Moyenera	Mtengo wabwino kwambiri (ntchito yabwino komanso yokwanira)	Pakati (kuchuluka kwa nickel kumawonjezera mtengo)	Zochepa (kuchuluka kochepa kwa ntchito)
Zochitika Zachizolowezi Zogwiritsira Ntchito	Zipangizo zapakhomo, zotenthetsera zamafakitale, zotenthetsera zamagalimoto, zamagetsi olondola	Zitofu zamafakitale zotentha kwambiri, zida zapadera zotenthetsera	Zipangizo zotenthetsera kutentha kochepa, zotsutsana ndi zinthu zina zonse

Kusanthula Kwatsatanetsatane kwa Kusiyana

1. Kapangidwe ka Mankhwala ndi Magwiridwe Abwino a Pakati

Kusiyana kwakukulu kuli mu chiŵerengero cha nickel-chromium: Nicr7030 ili ndi 30% ya chromium (yokwera kuposa 20%) ya Nicr8020, zomwe zimapangitsa kuti ikhale yolimba komanso yogwirizana. Ndi kutalika kwa ≥25%, Nicr7030 ikhoza kukokedwa mu mawaya abwino kwambiri (mpaka 0.01mm) kapena kupindika m'mawonekedwe ovuta, zomwe zimapangitsa kuti ikhale yoyenera pazinthu zomwe zimafuna kukonzedwa bwino (monga mawaya otenthetsera mipando yamagalimoto, masensa amagetsi ang'onoang'ono).

Mosiyana ndi zimenezi, kuchuluka kwa nickel mu Nicr8020 (80%) kumawonjezera kukhazikika kwake kutentha kwambiri, zomwe zimapangitsa kuti igwire ntchito mosalekeza pa 1300°C—50°C kuposa Nicr7030. Komabe, izi zimabwera chifukwa cha kuchepa kwa ductility (≥15%), zomwe zimapangitsa kuti isagwiritsidwe ntchito bwino popindika kapena kupanga zinthu. Mitundu ina monga Nicr6040 ili ndi nickel yochepa, zomwe zimapangitsa kuti isamavutike kwambiri komanso kutentha kwambiri, zomwe zimapangitsa kuti igwiritsidwe ntchito mosavuta.

2. Kusasinthasintha ndi Kugwiritsa Ntchito Mphamvu Mwachangu

Kukana kwa kutentha kumakhudza mwachindunji momwe kutentha kumagwirira ntchito komanso kapangidwe ka zigawo. Nicr8020 ili ndi kukana kwakukulu (1.40 Ω·mm²/m2), zomwe zikutanthauza kuti imapanga kutentha kochulukirapo pa unit kutalika pansi pa mphamvu yomweyo, zomwe zimapangitsa kuti ikhale yoyenera pazinthu zotenthetsera zamphamvu kwambiri (monga uvuni wotentha kwambiri).

Kukana kwapakati kwa Nicr7030 (1.18 Ω·mm²/m2) kumabweretsa mgwirizano pakati pa kupanga kutentha ndi kugwiritsa ntchito mphamvu. Pazinthu zambiri zamafakitale ndi zamakasitomala (monga ma uvuni, ma heating pads), imapereka mphamvu yokwanira yotenthetsera komanso kuchepetsa kuwononga mphamvu. Kuphatikiza apo, kukana kwake kokhazikika (± 0.5% kulekerera) kumatsimikizira kugwira ntchito kosalekeza pakagwiritsidwa ntchito kwa nthawi yayitali, kupewa kusinthasintha kwa kutentha.

3. Kukana kwa okosijeni & Moyo wa Utumiki

Nicr7030 ndi Nicr8020 zonse zimapanga mafilimu oteteza a Cr₂O₃ kutentha kwambiri, koma kuchuluka kwa chromium komwe Nicr7030 ili nako kumapanga filimu yolimba komanso yolimba. Izi zimapangitsa kuti isawonongeke ndi "kuwola kobiriwira" (kusungunuka kwa intergranular) mumlengalenga wonyowa kapena wocheperako, zomwe zimapangitsa kuti ikhale ndi moyo wautali mpaka maola 8000+ (20% kuposa Nicr8020 m'malo ovuta).

Nicr6040, yokhala ndi chromium yochepa, ili ndi filimu ya oxide yosakhazikika yomwe imatha kusweka kutentha kopitilira 1000°C, zomwe zimapangitsa kuti nthawi yogwira ntchito ifupikitsidwe komanso ndalama zokonzera ziwonjezeke.

4. Kusinthasintha kwa Mtengo ndi Kugwiritsa Ntchito

Nicr7030 imapereka ndalama zotsika mtengo kwambiri: kuchuluka kwake kochepa kwa nickel (poyerekeza ndi Nicr8020) kumachepetsa mtengo wa zinthu zopangira ndi 15-20%, pomwe magwiridwe antchito ake osiyanasiyana amaphimba 80% ya zochitika zogwiritsira ntchito waya wa nichrome. Ndi chisankho chomwe chimakondedwa pazinthu zopangidwa mochuluka monga zida zapakhomo ndi makina otenthetsera magalimoto, komwe kuwongolera magwiridwe antchito ndi mtengo ndikofunikira.

Kuchuluka kwa nickel mu Nicr8020 kumawonjezera mtengo wake, zomwe zimapangitsa kuti ikhale yofunikira pa ntchito zapadera zotentha kwambiri (monga kuyesa zinthu zamlengalenga). Mitundu ina ya nickel yotsika mtengo monga Nicr6040 ndi yotsika mtengo koma ilibe magwiridwe antchito okwanira kukwaniritsa zofunikira zamafakitale kapena zamagetsi molondola.

Buku Lotsogolera Kusankha

• SankhaniNicr7030Ngati mukufuna: Kugwira ntchito mosiyanasiyana, kukonza kosavuta (kupindika/kuwotcherera), kugwiritsa ntchito bwino ndalama, komanso kugwiritsa ntchito pazida zapakhomo, kutentha kwa magalimoto, kutentha kwa mafakitale, kapena zamagetsi molondola.
• SankhaniNicr8020ngati mukufuna: Kutentha kwambiri kwa ntchito (1300°C+) ndi zinthu zotenthetsera zamphamvu kwambiri (monga uvuni wapadera wa mafakitale).
• Sankhani mitundu ina (monga Nicr6040) yokha pa zinthu zotentha pang'ono komanso zosafunikira kwenikweni (monga zoletsa zoyambira).

Ndi magwiridwe antchito ake oyenera, kugwiritsa ntchito bwino ndalama, komanso kusinthasintha kwakukulu, Nicr7030 ndiye chisankho chotsika mtengo kwambiri kwa makasitomala ambiri. Kampani yathu imapereka zofunikira mwamakonda (m'mimba mwake, kutalika, kulongedza) komanso chithandizo chaukadaulo kuti zitsimikizire kuti Nicr7030 ikugwirizana bwino ndi zosowa zanu.