Kodi Chitsulo Chosapanga chitsulo Chimagwiritsidwa Ntchito Motani Popanga Magudumu A Pamanja Azitsulo Zosapanga dzimbiri?

Pamsonkhano wopanga zinthu molondola ku Jiangsu, akatswiri akuyesa mtanda wa 150mm awiri.zitsulo zosapanga dzimbiri zamanja, ndipo chizindikiro cha 316L pamwamba chikuwonekera bwino. Monga zigawo zikuluzikulu zowongolera zida zamafakitale, makina azachipatala, ndi zida zazakudya, kusankha kwazinthu zamagudumu achitsulo chosapanga dzimbiri kumatsimikizira kukana kwawo kwa dzimbiri, mphamvu, ndi moyo wautumiki. Nkhaniyi isanthula "makhodi apadera" amagulu osiyanasiyana azitsulo zosapanga dzimbiri popanga mawilo amanja kuchokera kumagulu amagulu azitsulo zosapanga dzimbiri, mawonekedwe azinthu zodziwika bwino, mawonekedwe ofananirako, kusankha kwa ogulitsa, komanso kupewa kugwa.

Zamkatimu
1. "Basic Lesson" of Stainless Steel Grades: The Core Differences of 304, 316L, and 430
2. Kusankha Koyamba Pakupanga Mafakitale: Chifukwa Chiyani 304 Stainless Steel Imapeza 70% Yamsika?
3. Kupambana M'malo Ovuta: "King of Corrosion Resistance" ya 316L Stainless Steel
4. Kusankha Kwachuma: Kodi Malire Ogwiritsidwa Ntchito a 430 Stainless Steel ali kuti?
5. Zochitika Zapadera: Ntchito Yapadera ya 2205 Duplex Steel ndi 904L
6. Kusankha kwa Opereka: Momwe Mungaweruzire "Zowona ndi Zopindulitsa ndi Zoyipa" za Maphunziro a Zitsulo Zosapanga dzimbiri?
7. Upangiri Wopewera Kugula kwa Pitfall: Misampha 5 Yazinthu Zomwe Atsopano Ayenera Kudziwa

1. "Basic Lesson" of Stainless Steel Grades: The Core Differences between 304, 316L, and 430
Kuchita kwachitsulo chosapanga dzimbiri kumatsimikiziridwa ndi kapangidwe kake ka mankhwala. Magulu atatu omwe amagwiritsidwa ntchito kwambiri popanga mawilo amanja ndi awa:

Analysis of Core Differences:
Zinthu za Nickel: zimatsimikizira kulimba kwa corrosion ndi kulimba. 304 zili ndi faifi wopitilira 8%, 316L ili ndi zoposa 10%, ndipo 430 ilibe faifi tambala;
Molybdenum element: 316L imawonjezera 2-3% molybdenum, ndipo kukana kwake kwa dzimbiri kwa chloride ion kumawonjezeka ndi katatu, ndikupangitsa kuti ikhale yoyenera madzi a m'nyanja ndi madzi ophera tizilombo toyambitsa matenda;
Mpweya wa carbon: 316L's ultra-low carbon (Wocheperapo kapena wofanana ndi 0.03%) amapewa dzimbiri pakati pa granular ndipo ndi oyenera kuwotcherera.

2. Chosankha choyamba pakupanga mafakitale: Chifukwa chiyani304 chitsulo chosapanga dzimbirikutenga 70% ya msika?
2.1 "Golden balance" ya mfumu yamtengo wapatali-kuchita bwino
Mtengo wamtengo wapatali: Mtengo wa 304 chitsulo chosapanga dzimbiri ndi pafupifupi 18,000-22,000 yuan pa tani, yomwe ndi 30% yotsika kuposa 316L ndipo ikuyenera 80% ya zochitika zamakampani wamba.
Kuchita kwathunthu:
Kugonjetsedwa ndi asidi wamba ndi alkalis (monga 10% sulfuric acid, 20% nitric acid), handwheel ya fakitale ya zida zamakina yakhala ikugwiritsidwa ntchito podula malo amadzimadzi kwa zaka zitatu popanda dzimbiri;
Kulimba kwamphamvu ndi 520MPa, ndipo gudumu lamanja lokhala ndi mainchesi a 200mm limatha kupirira torque ya 500N · m, kukwaniritsa zofunikira za 90% ya zida zamafakitale.

2.2 Zochitika zofananira ndikugwiritsa ntchito
Zida zamakina a CNC: Fakitale yopangira zida zamakina ku Shandong imagwiritsa ntchito mawilo 304 osapanga dzimbiri (mankhwala owongolera pamwamba) okhala ndi zida za nyongolotsi kuti akwaniritse kulondola kwa chakudya kwa 0.01mm / kutembenuka, ndi kuchuluka kwapachaka kogula kuposa zidutswa 50,000.
Makina azakudya: Chingwe chowongolera liwiro la chingwe chopangira masikono chimapangidwa ndi zinthu 304, zomwe zimakwaniritsa miyezo ya FDA yolumikizana ndi chakudya ndipo zimakhala ndi malo opukutidwa ndi electrolytic (Ra Less kuposa kapena wofanana ndi 0.8μm) kuteteza zotsalira za ufa ku mabakiteriya oswana.

2.3 Ubwino wokonza
Kudula kosavuta: Chitsulo chosapanga dzimbiri cha 304 chili ndi cholozera chochepa chowumitsa ntchito ndipo ndichoyenera kutembenuza ndi mphero. A fakitale handwheel amagwiritsa CNC Machining pakati, ndi kumwa nthawi njira imodzi ndi 20% zochepa kuposa 316L.
Kuwotcherera: Kuwotcherera kwa argon arc wamba kumatha kugwiritsidwa ntchito popanga. Pambuyo pa kuwotcherera, gudumu lamanja la valve lidayesedwa ndi kuzindikira zolakwika, ndipo kuchuluka kwa ming'alu kumayendetsedwa pansi pa 0.5%.

3. Kudutsa m'malo ovuta: "King of corrosion resistance" ya 316L chitsulo chosapanga dzimbiri.
3.1 "Maluso opulumuka" m'malo ovuta kwambiri
Zida zamankhwala: Hefei Yingrui's opaleshoni maikulosikopu handwheel ndi 316L zakuthupi. Pambuyo potsekereza-kutentha kwambiri pa digirii 134 , mabakiteriya otsalira pamwamba amakhala<10CFU/cm², which meets ISO 10993 biocompatibility certification.
Ukatswiri wapamadzi: Wwilo lamanja la crane ya doko linayesedwa pamalo opopera mchere (NaCl concentration 5%) kwa maola 2000 popanda pitting, pomwe gudumu lamanja la 304 limatha maola 800 okha.

3.2 Kudumphadumpha kwa magwiridwe antchito kumabwera ndi kukhathamiritsa kwagawo
Udindo wa Molybdenum: Kupanga filimu yoteteza ya MoO4²- yoteteza ma ion chloride kuwononga (monga Cl- m'madzi a m'nyanja ndi mankhwala ophera tizilombo). Atagwiritsa ntchito 316L, moyo wa gudumu la zida zophera tizilombo m'chipatala unakulitsidwa kuchoka pa zaka 2 mpaka zaka zisanu.
Kuchuluka-kapangidwe ka carbon wochepa: Mpweya wa 316L ndi Wocheperapo kapena wofanana ndi 0.03%, umene umapewa mvula ya chromium carbide pamalire a mbewu panthawi yowotcherera. Kuwonongeka kwa weld yoyezedwa ndi fakitale ya zida zamankhwala ndi 60% kutsika kuposa 304.

3.3 Kusamala pakati pa mtengo ndi ntchito
Mtengo wa unit ndi pafupifupi 28,000-35,000 yuan/ton, womwe ndi wokwera 50% kuposa 304, koma m'malo okhala ndi dzimbiri, mtengo wathunthu umachepetsedwa ndi 40% (kuchepetsa kufupipafupi kosinthira ndi kukonza).

4. Kusankha kwachuma: Kodi malire oyenera a 430 zitsulo zosapanga dzimbiri ali kuti?
4.1 "Lowani-level kusankha" pazochitika zotsika-zotsika mtengo
Mtengo wamtengo: pafupifupi 12,000-15,000 yuan pa tani, 30% yotsika kuposa 304, yoyenera pazochitika zomwe zili ndi zofunikira zochepa zokana dzimbiri.
Zoletsa:
Maginito amphamvu: osayenerera zida zolondola (monga kuzungulira zida za nyukiliya zamaginito);
Kukana kopanda dzimbiri: Wwilo la m'manja la malo ogwirira ntchito fakitale limagwiritsa ntchito zinthu 430, ndipo mawanga a dzimbiri amawonekera pamtunda pambuyo pa chaka chimodzi, pomwe gudumu la 304 silinasinthe.

4.2 Zochitika zofananira ndikugwiritsa ntchito
Makina wamba: monga chiwongolero cha makina aulimi, omwe amagwiritsidwa ntchito pamalo owuma, mtengo wake ndi 20% wotsika kuposa 304.
Zigawo zokongoletsa: Chingwe chosinthika cha scaffold cha fakitale yamipando chimapangidwa ndi zinthu 430, zokhala ndi chrome pamwamba, zomwe zimaganizira kukongola komanso mtengo wotsika.

4.3 Njira zopewera kugwiritsa ntchito
Pewani m'malo achinyezi: 430 imakonda kuchita dzimbiri m'malo okhala chinyezi > 70%, ndipo imafunika kupopera mbewu mankhwalawa anti-penti ya dzimbiri (monga epoxy primer).

5. Zithunzi zapadera: 2205 duplex zitsulo, 904L ntchito yapadera
5.1 Chitsulo cha Duplex (2205): mphamvu yayikulu + kukana kwa dzimbiri
Mfundo zazikuluzikulu: kumakokedwa mphamvu 800MPa (50% apamwamba kuposa 304), kukana dzimbiri kupsinjika maganizo chinawonjezeka ndi 2 nthawi, ndi mankhwala zida handwheel ntchito 20% hydrochloric acid chilengedwe kwa zaka 3 popanda akulimbana.
Mlandu wa ntchito: The handwheel ya jakisoni makina a lithiamu batire kupanga mzere ayenera kupirira electrolyte (kuphatikizapo HF) dzimbiri, ndi moyo wa 2205 zakuthupi anawonjezera ndi zaka 1.5 poyerekeza ndi 316L.

5.2 Chitsulo chosapanga dzimbiri (904L): mfumu yowononga kwambiri
Ubwino wa kapangidwe kake: Ili ndi 23% Cr+19% Ni+4.5% Mo, yolimbana bwino ndi sulfuric acid ndi phosphoric acid. The handwheel ya riyakitala fakitale mankhwala wakhala ntchito 98% anaikira asidi sulfuric kwa zaka 5, ndipo pamwamba ndi pang'ono oxidized.
Mtengo wapamwamba: Mtengo wa unit umaposa 100,000 yuan/ton, ndipo umangogwiritsidwa ntchito pazochitika zapamwamba monga zakuthambo ndi mphamvu za nyukiliya.

6. Kusankha kwa ogulitsa: Kodi mungaweruze bwanji "zowona ndi khalidwe" la zitsulo zosapanga dzimbiri?
6. Chitsimikizo cha zinthu ndi "poyamba"
Amafuna lipoti la mayeso a SGS: Yang'anani pakuwona zomwe zili mu Ni, Cr, ndi Mo. Wogula kamodzi adapeza kuti wogulitsa adagwiritsa ntchito zitsulo zosapanga dzimbiri 201 (Ni okhutira 4%) kuti atsanzire 304, zomwe zimapangitsa kuti gudumu lamanja likhale ndi dzimbiri kwa miyezi 6.
Thandizo loyesa maginito: 304/316L maginito ofooka (maginito amatha kutsatiridwa pang'ono), 201/430 ​​​​maginito amphamvu. Wopanga zida zachipatala adadutsa kuwunika koyambirira kwa maginito ndikuchotsa 80% ya ogulitsa otsika.

6.2 Zambiri zamachitidwe zimawulula "mulingo weniweni"
Chithandizo chapamwamba: Kupukuta kwa electrolytic kwa 316L handwheel kuyenera kufika ku Ra Zochepera kapena zofanana ndi 0.4μm (kalasi yachipatala). Kusakwanira kwa kupukuta kwa wothandizira (Ra=1.2μm) kudapangitsa kuti mabakiteriya achuluke kwambiri atapha tizilombo toyambitsa matenda.
Ubwino wowotcherera: Ma welds a 316L mawilo amanja akuyenera kukhala amtundu-odziwika. Fakitale ya ma valve inayesa kuti kuchuluka kwa dzimbiri kwa ma weld osayenerera kunali kuwirikiza katatu kuposa magawo oyenerera.

6.3 Maulalo ofunikira pakufufuza m'munda
Ntchito yochizira kutentha: 304/316L imafunikira chithandizo cholimba cha yankho (kuzimitsa pa 1050 digiri). Fakitale yaing'ono inasiya sitepe iyi, zomwe zinapangitsa kuti gudumu lamanja likhale losakwanira.
Chipinda choyesera chopopera mchere: Otsatsa nthawi zonse ayenera kupereka malipoti oyesa opitilira maola 1000. Wogula sanayang'ane, ndipo mawilo 430 omwe adagulidwa adachita dzimbiri m'miyezi itatu m'mphepete mwa nyanja.

7. Chitsogozo chopewera ma dzenje: Misampha 5 yazinthu zomwe novice ayenera kudziwa
7.1 "304" ≠ "kalasi ya chakudya"
Kusamvetsetsana: Otsatsa ena amalimbikitsa "giredi lazakudya la 304", koma amafunikira kuti apatsidwe satifiketi ya FDA (monga kuuma kwapamtunda ndi kuyesa kwamvula yachitsulo cholemera). Magudumu wamba 304 ogulidwa ndi fakitale yazakudya adadandaula ndi makasitomala chifukwa samakwaniritsa miyezo.

7.2 Kudula ngodya pa makulidwe
Mlandu: Wopereka anachepetsa makulidwe a 304 handwheel analankhula kuchokera 5mm mpaka 3mm. Ngakhale kulemera kunachepetsedwa ndi 20%, mphamvu ya torsional idatsika ndi 35%, zomwe zidapangitsa kuti zida ziwonongeke panthawi yotumiza.

7.3 Kusokonezeka kwa chiyambi
Chenjerani ndi gimmick ya "316L" yochokera kunja: mtundu wa 316L wochokera ku Baosteel ndi Taigang ku China wafika pamiyezo yapadziko lonse lapansi (monga S31603). Wogulitsa adagwiritsa ntchito zinthu zapakhomo kuti ayerekeze kuti akutumizidwa kunja, ndipo mtengo wake udakwezedwa ndi 40%.

7.4 Chithandizo chapamwamba kuti chiteteze zolakwika
Wogulitsa chrome-anayala gudumu la m'manja kuti atseke madontho a dzimbiri. Pansi pake adawonekera pambuyo pa maola 200 okha a mayeso opopera mchere. Lipoti loyesera zinthu zopanda kanthu limafunikira pogula.

7.5 giredi mix-ndi-match trap
Thupi la gudumu la m'manja limapangidwa ndi 304, ndipo dzanja lamanja limasinthidwa mobisa ndi 430. Atagula, fakitale yamakina inapeza kuti manjawo achita dzimbiri, zomwe zinapangitsa kuti gudumu la m'manja lilephereke. Ndikofunikira kugwirizanitsa zida za magawo onse.

Chidule
Kusankhidwa kwazinthu zamagudumu achitsulo osapanga dzimbiri ndikofanana kwenikweni pakati pa "zofunikira pazochitika" ndi "ntchito yamtengo":
Makampani ochiritsira: 304 amakondedwa, kulinganiza magwiridwe antchito ndi kulimba;
Kuchuluka kwa dzimbiri: 316L ndiyofunika kwambiri, yokhala ndi ndalama zambiri-zanthawi yayitali;
Madera owopsa: 2205 duplex zitsulo, 904L ndi zida zina zapadera ndizo zokha zomwe mungasankhe;
Zotsika-zotsika mtengo: 430 zitha kugwiritsidwa ntchito ngati njira yolowera{2}}, koma malo achinyezi ayenera kupewa.
Mu labotale ya fakitale ya magudumu a pamanja ku Zhejiang, akatswiri akupanga mayeso aposachedwa kwambiri a nano-pa mawilo amanja a 316L. Yankho ili, lomwe limaphatikiza luso lazinthu ndi chithandizo chapamwamba, limapangitsa kuti nthawi yokana kutsitsi mchere ipitirire maola 3,000. Kwa wogula, kudziwa bwino "makhalidwe" a kalasi yachitsulo chosapanga dzimbiri ndikuphatikizana ndi zochitika zenizeni zogwirira ntchito kungapangitse "kagawo kakang'ono" kameneka kamasewera kwambiri. Kumbukirani: palibe chitsulo chosapanga dzimbiri, chosankha choyenera kwambiri.