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Phunzirani Momwe Mungasankhire macheka ozungulira a Cold. Kuti mutetezere vuto lotolera nokha chilichonse poyesa ndi zolakwika.
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M'ndandanda wazopezekamo

• Zindikirani nkhaniyo

• Momwe Mungasankhire Chowona Chozizira Choyenera

• Mapeto

Zindikirani nkhaniyo

Zigawo Zogwirizana

Ntchito zazikulu pamsika Macheka a Cold amayang'ana msika wamsika wazitsulo.

Zitsulo mbale makamaka zikuphatikizapo magulu atatu:

Gulu potengera zinthu:

1. zitsulo zachitsulo zokongoletsera zipangizo
2. zinthu zopanda chitsulo zokongoletsera zitsulo
3. zida zapadera zodzikongoletsera zachitsulo

Black Metal

Zida zachitsulo zomwe zimagwiritsidwa ntchito popanga uinjiniya ndizomwe zimapangidwira chitsulo ndi chitsulo, zomwe ndi aloyi wopangidwa ndi chitsulo ndi kaboni monga zinthu zazikuluzikulu.

Ndi zipangizo ziti zomwe zingathe kudula macheka amafuta?

Amagwiritsidwa ntchito makamaka pazinthu zapakatikati, zapamwamba komanso zotsika zachitsulo

Chitsulo cha kaboni chimatanthawuza ma aloyi a iron-carbon okhala ndi mpweya wochepera 2.11%.

Malinga ndi zomwe zili mu kaboni, zitha kugawidwa m'magulu awiri:

Chitsulo chochepa cha carbon (0.1 ~ 0.25%)

Sing'anga carbon steel (0.25~0.6%)

Zitsulo zapamwamba za carbon (0.6 ~ 1.7%)

1. Chitsulo Chochepa

Amatchedwanso wofatsa zitsulo, otsika mpweya zitsulo ndi okhutira mpweya kuchokera 0,10% kuti 0,25% n'zosavuta kuvomereza processing zosiyanasiyana monga forging, kuwotcherera ndi kudula. Nthawi zambiri amagwiritsidwa ntchito kupanga maunyolo, ma rivets, ma bolts, shafts, etc.

Mitundu ya Mild Steel

Ngongole yachitsulo, chitsulo chachitsulo, I-mtengo, chitoliro chachitsulo, chingwe chachitsulo kapena mbale yachitsulo.

Udindo wa chitsulo chochepa cha carbon

Amagwiritsidwa ntchito popanga zigawo zosiyanasiyana zomangira, zitsulo, mabokosi, ng'anjo, makina aulimi, ndi zina zotero. Chitsulo chapamwamba cha carbon chochepa chimakulungidwa m'mbale zopyapyala kuti apange zinthu zozama kwambiri monga ma cabs agalimoto ndi ma hood a injini; imakulungidwanso m'mipiringidzo ndipo imagwiritsidwa ntchito popanga zida zamakina zomwe zimakhala ndi mphamvu zochepa. Chitsulo chochepa cha carbon nthawi zambiri sichimathandizidwa ndi kutentha musanagwiritse ntchito.

Omwe ali ndi mpweya woposa 0.15% amakhala ndi carburized kapena cyanided ndipo amagwiritsidwa ntchito pazinthu monga shafts, bushings, sprockets ndi mbali zina zomwe zimafuna kutentha kwapamwamba komanso kukana kuvala bwino.

Chitsulo chofewa chimakhala ndi ntchito yochepa chifukwa cha mphamvu zake zochepa. Kuchulukitsa moyenerera manganese muzitsulo za kaboni ndi kuwonjezera kuchuluka kwa vanadium, titaniyamu, niobium ndi zinthu zina zophatikizika kungapangitse kulimba kwachitsulocho. Ngati mpweya wa carbon mu chitsulo umachepetsedwa ndi aluminium pang'ono, kagawo kakang'ono ka boron ndi carbide kupanga zinthu zimawonjezeredwa, gulu la ultra-low carbon bainite lingapezeke lomwe liri ndi mphamvu zambiri ndikusunga pulasitiki wabwino ndi kulimba.

1.2. Chitsulo chapakati cha carbon

Mpweya wachitsulo wokhala ndi mpweya wa 0.25% ~ 0.60%.

Pali zinthu zambiri kuphatikizapo zitsulo zophedwa, zitsulo zowonongeka, zitsulo zophika ndi zina zotero.

Kuphatikiza pa kaboni, imathanso kukhala ndi zochepa (0.70% ~ 1.20%).

Malingana ndi khalidwe la mankhwala, amagawidwa kukhala zitsulo za carbon structural zitsulo komanso zitsulo zapamwamba kwambiri za carbon structural.

Kutentha kwamafuta ndi ntchito yodula ndikwabwino, koma kuwotcherera ndikosavuta. Mphamvu ndi kuuma kwake ndikwapamwamba kuposa chitsulo chochepa cha carbon, koma pulasitiki ndi kulimba kwake ndizotsika kuposa chitsulo chochepa cha carbon. Zida zotentha zotentha ndi zozizira zimatha kugwiritsidwa ntchito mwachindunji popanda chithandizo cha kutentha, kapena zingagwiritsidwe ntchito pambuyo pa chithandizo cha kutentha.

Sing'anga mpweya zitsulo pambuyo kuzimitsa ndi kutentha ali wabwino mabuku mawotchi katundu. Kulimba kwapamwamba komwe kungapezeke ndi pafupifupi HRC55 (HB538), ndipo σb ndi 600~1100MPa. Choncho, pakati pa ntchito zosiyanasiyana ndi milingo sing'anga mphamvu, sing'anga mpweya zitsulo ndi ambiri ankagwiritsa ntchito. Kuphatikiza pa kugwiritsidwa ntchito ngati zida zomangira, imagwiritsidwanso ntchito kwambiri popanga zida zamakina osiyanasiyana.

Mitundu ya Medium Carbon Steel

40, 45 chitsulo, kuphedwa zitsulo, theka-anapha zitsulo, zitsulo zowira ...

Udindo wa Medium Carbon Steel

Chitsulo chapakati cha kaboni chimagwiritsidwa ntchito kwambiri popanga zida zoyenda mwamphamvu kwambiri, monga ma compressor a mpweya ndi ma pistoni apampu, zonyamulira nthunzi, ma shaft amakina olemera, nyongolotsi, magiya, ndi zina zotero, mbali zosamva kuvala pamwamba, ma crankshafts, zida zamakina Ma spindles, odzigudubuza. , zida za benchi, etc.

1.3.Zitsulo zapamwamba za carbon

Nthawi zambiri amatchedwa chitsulo chachitsulo, chimakhala ndi carbon kuchokera ku 0.60% mpaka 1.70% ndipo chikhoza kuumitsidwa ndi kupsya mtima.

Nyundo, khwangwala, ndi zina zambiri zimapangidwa ndi chitsulo chokhala ndi mpweya wa 0,75%; zida zodulira monga kubowola, matepi, ma reamers, etc. amapangidwa ndi chitsulo chokhala ndi mpweya wa 0.90% mpaka 1.00%.

Mitundu Yapamwamba ya Carbon Steel

50CrV4 chitsulo: Ndi mtundu wachitsulo chotanuka kwambiri komanso champhamvu kwambiri, chomwe chimapangidwa makamaka ndi kaboni, chromium, molybdenum ndi vanadium ndi zinthu zina. Nthawi zambiri amagwiritsidwa ntchito popanga akasupe ndi zida zopangira.

Chitsulo cha 65Mn: Ndichitsulo champhamvu kwambiri komanso cholimba kwambiri chopangidwa ndi kaboni, manganese ndi zinthu zina. Nthawi zambiri amagwiritsidwa ntchito popanga akasupe, mipeni ndi zida zamakina.

Chitsulo cha 75Cr1: Ndi chitsulo cha carbon, high-chromium, chomwe chimapangidwa makamaka ndi carbon, chromium ndi zinthu zina. Ili ndi kuuma kwakukulu komanso kukana kuvala ndipo imagwiritsidwa ntchito popanga masamba ndi zoziziritsa kukhosi.

Chitsulo cha C80: Ndi mtundu wachitsulo cha carbon high, makamaka chopangidwa ndi zinthu monga carbon ndi manganese. Nthawi zambiri amagwiritsidwa ntchito popanga zida zamphamvu kwambiri monga ma saw, ma coil plates ndi akasupe.

Udindo wa High Carbon Steel

Zitsulo zapamwamba za carbon zimagwiritsidwa ntchito kwambiri

1. Zigawo zamagalimoto
   Chitsulo chokwera cha carbon nthawi zambiri chimagwiritsidwa ntchito popanga zinthu monga akasupe agalimoto ndi ng'oma za brake kuti apititse patsogolo chitetezo ndi magwiridwe antchito agalimoto.
2. Mipeni ndi masamba
   Mkulu wa carbon zitsulo ali ndi makhalidwe a kuuma mkulu ndi mkulu mphamvu ndipo ntchito kupanga zida kudula ndi amaika, amene akhoza kusintha kudula dzuwa ndi kukulitsa moyo ntchito.
3. Zida zopangira
   Mpweya wa carbon zitsulo ukhoza kugwiritsidwa ntchito popanga ma dies, zida zozizira zozizira, kufa kotentha, ndi zina.
4. Zigawo zamakina
   Mpweya wa carbon zitsulo ukhoza kugwiritsidwa ntchito popanga mbali zosiyanasiyana zamakina, monga mayendedwe, magiya, ma wheel hubs, etc., kuti apititse patsogolo ntchito yabwino komanso kunyamula katundu.

(2) Gulu ndi mankhwala

Zitsulo zimagawidwa molingana ndi kapangidwe kake ka mankhwala ndipo zitha kugawidwa mu chitsulo cha carbon ndi alloy steel

2.1. Chitsulo cha carbon

Mpweya wa carbon ndi aloyi yachitsulo-carbon alloy yokhala ndi mpweya wa 0.0218% ~ 2.11%. Komanso amatchedwa carbon steel. Nthawi zambiri imakhala ndi silicon, manganese, sulfure, ndi phosphorous pang'ono. Nthawi zambiri, kuchuluka kwa kaboni muzitsulo za carbon, kumapangitsanso kuuma ndi mphamvu, koma kutsika kwa pulasitiki.

2.2. Chitsulo chachitsulo

Chitsulo cha aloyi chimapangidwa powonjezera zinthu zina zophatikizira ku chitsulo wamba wa carbon. Malinga ndi kuchuluka kwa zinthu aloyi anawonjezera, zitsulo aloyi akhoza kugawidwa mu otsika aloyi zitsulo (okwana aloyi zinthu zili ≤5%), sing'anga aloyi zitsulo (5% ~ 10%) ndi mkulu aloyi chitsulo (≥10%).

Momwe Mungasankhire Chowona Chozizira Choyenera

Kudula zipangizo: Dry zitsulo ozizira macheka ndi oyenera pokonza otsika aloyi zitsulo, sing'anga ndi otsika mpweya zitsulo, chitsulo choponyedwa, structural zitsulo ndi mbali zina zitsulo ndi kuuma pansi HRC40, makamaka modulated zitsulo mbali.

Mwachitsanzo, zitsulo zozungulira, ngodya zitsulo, ngodya zitsulo, chitsulo njira, chubu lalikulu, I-mtengo, zotayidwa, zitsulo zosapanga dzimbiri chitoliro (podula zitsulo zosapanga dzimbiri chitoliro, wapadera zosapanga dzimbiri pepala ayenera m'malo)

Malamulo osavuta osankha

1. Sankhani chiwerengero cha mano a tsamba la macheka malinga ndi kukula kwa zinthu zodula

2. Sankhani macheka tsamba mndandanda malinga ndi zakuthupi

Kodi zotsatira zake ndi zotani?

1. Kudula zakuthupi zotsatira

Mapeto

Zomwe zili pamwambazi ndi mgwirizano pakati pa zipangizo zina ndi macheka masamba, ndi momwe mungasankhire.
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