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M42

Pofikira>Zamgululi>Chitsulo Chachikulu>M42

Zithunzi za HSS M42

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zofunika

M42 high speed steel ndi cobalt molybdenum zida zitsulo, kuwonjezera 8% cobalt zikutanthauza kuti M42 amapereka wapamwamba wofiira kuuma poyerekeza ndi M2. Kuphatikizika kwa M42 kumapangitsa kuti pakhale kulimba kwabwino komanso kuuma ndipo kungagwiritsidwe ntchito kwambiri pamitundu yonse ya zida zodulira, zomwe nthawi zambiri zimagwiritsidwa ntchito popanga zida zamakina ndi ma alloys apamwamba kwambiri omwe amavuta makina. Chitsulo chothamanga kwambiri cha M42 chimakhala ndi kuuma kwa kutentha kwapakati pa 68 mpaka 70 HRC. 


Mapulogalamu:

M42 ndi chitsulo chothamanga kwambiri pazinthu zomwe zimafuna kuuma kotentha kwambiri. M42 ndi yoyenera kudula zida monga, kupotoza kubowola, 

ma broaches, matepi, odulira mphero, macheka, ma reamers, ma bandaw ndi zida zozizira zogwirira ntchito. Onani tchati chathu chogwiritsira ntchito chitsulo

Ngati kuuma kofiira kwambiri kwa M42 ngati sikukufunika pakugwiritsa ntchito, lingalirani zachitsulo cha M2 chothamanga kwambiri.       


Tsatanetsatane wazomwe:Zithunzi za M42


ZINTHU

        C       Si
       Cr
       W
      Mo
        V
       Co
      1.08
     0.45
      3.85
     1.50
     9.50
      1.20
      8.00


ZINTHU ZACHIBALE

ZOPHUNZITSA ZAIDWI

Kachulukidwe: 0.282 lb/in3 (7806 kg/m3)

· Mphamvu Yeniyeni: 7.81

Modulus of Elasticity: 30 x 106 psi (207 GPa)

· Machinability: 35-40% ya 1% mpweya chitsulo

MALANGIZO OTHANDIZA KUTENTHA KUTI: KUVUTA       

Kutentha Kwambiri:
Ac1: 1560 ° F (849 ℃))       


Kutentha:Kutenthetsa pamlingo wosapitirira 400 ° F pa ola (222 ° C pa ola) mpaka 1500-1600 ° F (816-871 ° C), ndikufanana.


Austenitizing (Kutentha Kwambiri):Kutenthetsa mofulumira kuchokera ku preheat.

Ng'anjo: 2150-2175°F (1177-1191°C)

Mchere: 2125-2150°F (1163-1177°C)

Kuti muwonjezere kulimba, gwiritsani ntchito kutentha kochepa kwambiri.

Kuti muwonjezere kutentha kwambiri, gwiritsani ntchito kutentha kwambiri.


Kuthetsa:Mpweya wopanikizika, mafuta ofunda, kapena mchere. Kwa gasi wopanikizidwa, kuthamanga kwachangu kumafika pansi pa 1000 ° F

(538 ° C) ndikofunikira kuti mupeze zomwe mukufuna. 

Pa mafuta, zimitsani mpaka wakuda, pafupifupi 900 ° F (482 ° C), kenako kuziziritsa mumpweya wabata mpaka 150 -125 ° F (66-51 ° C).

Pakuti mchere anakhalabe pa 1000-1100 ° F (538-593 ° C), mufanane, ndiye ozizira mu mpweya akadali 150 -125 ° F (66-51 ° C).


Kutentha:Kupsa mtima mwamsanga pambuyo kuzimitsa. Kutentha kofananira ndi 950-1050°F (510-566°C). Gwirani pa kutentha kwa 2 hours, kenako mpweya ozizira ndi yozungulira kutentha. Kutentha katatu kumafunika.


ZINTHU ZOFUNIKA

Annealing iyenera kuchitidwa mutatha kugwira ntchito yotentha komanso musanalimbikitsenso.

Kutenthetsa pamlingo wosapitirira 400 ° F pa ola (222 ° C pa ola) mpaka 1500-1575 ° F (843-857 ° C), ndipo gwirani kwa ola limodzi pa inchi (1 mm) ya makulidwe, 

osachepera 2 hours. Ndiye kuziziritsa pang'onopang'ono ndi ng'anjo pa mlingo wosapitirira 50 ° F pa ola (28 ° C pa ola) mpaka 1000 ° F (538 ° C). 

Pitirizani kuziziritsa kutentha kozungulira mu ng'anjo kapena mpweya. Zotsatira zake kuuma kuyenera kukhala 269 HBW kapena kutsika.


Kusintha kwa M42

Preheat pang'onopang'ono mpaka 650 - 760 ° C ndi zilowerere. Wonjezerani mwachangu mpaka kutentha kwa 1010 - 1150 ° C ndikufanana musanayambe kupanga. 

Ngati kutentha kutsika pansi pa 980 ° C kutenthetsanso kudzafunika. Kuziziritsa M42 pang'onopang'ono mutatha kupanga.

(deti ya data & kusanthula kwanthawi zonse komwe kulipo pakafunsidwa).


katunduyo       kukula (mm)njiraKutumiza
Mapepala
Mtengo wa T1.0-2.5KuziziritsaMalo akuda & Anneal
T 2.5 - 8.0Kutentha KwambiriMalo akuda & Anneal


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