Sand-turned ball mill casting daw ni
QT450-10.
QT 450-10 hta 450MPa hte 10% galu ai n-gun hpe madun ai. Beite hpe gaw, austenite co-analysis a majaw byin pru wa ai ferrite hte carburization ni hte hpawng de da ai. Pearite a ngang kang ai lam hpe sha lu la na matu, co-analysis daw (0.77%) n-gang kaw na shadawn ra ai. 0.0218% hta n-pu na carbon n-gun hte sha, n-gun ja ai hpe n-gang kaw na shadawn lu ai.
Standard: GB / T1348-2009 (GB / T 1348-1988 a malai)
● Akyang lailen hte jai lang ai lam a shingdu labau:
Ferriri amyu ductile cast iron, n-gun ja ai hte plasticity law ai. N-gun n law ai shara hta, n-gun ja ai lam gaw, n-gun n-gun yawm wa ai lam de galai shai mat wa ai, raitim, n-gun n law ai nbung laru manu gaw grai law ai, nbung laru acute galai shai ai lam hte n-gun shayawm ai lam hpe ninghkap lu ai atsam nkau mi nga ai. Dai hpe hkai lu hkai sha ai shara, hkai lu hkai sha ai jak ni hta n bung ai nta, valve hkum hkrang, n-gun kaba hte npu na n-gun ni hpe madung jak rung ni hta lang na matu, n-gun dat n-gun ni a matu grai lang ai.
● chemical nsam:
Carbon C: 3.70~4.00%
Silicon Si: 2.15~2.93%
Mn Mn: 0.46~0.66%
Sulfur S: 0.010~0.016%
Phosphorous P: 0.027~0.035%
Magnesium Mg: 0.027~0.050%
hkaulan mam Re:
Carbon hte maren: 4.3~4.6.
● jak rung arung arai ni:
Tensile n-gun σ b (MPa): 450
Masa gaw n-gun σ 0.2 (MPa): 250
δ (%): 10
yak hkak ai lam: 160 ~ 210 HB
● Hka hpe tsi lajang ai lam hte metallography wuhpung wuhpawng ni hpe tsun dan ai:
Hkamja lam hte seng ai masat masa: cast (sh) ignition
Agraphic tissue: cast: graphite + hka n-gun (matrix tissue) + pearlite
Positive fire: graphite + grau law ai beads + ferrite, grau tsaw ai hkum tsup ai jak rung atsam ni hpe lu la mai ai, grau nna plasticity hte ngang kang ai lam hpe grau kaja hkra galaw lu ai.
QT600-3.
Arung arai mying: ductile iron
● Akyang lailen hte jai lang ai lam a shingdu labau:
Bead light body type ductile cast iron, n-gun atsam hte n-gun kaba ai, n-gun ja ai hte plasticity, hkum tsup ai bungli galaw ai lam, kaja ai n-gun hpe ninghkap lu ai atsam hte kaja ai vibration damping, casting galaw ai lam hpe kaja ai hku galaw lu ai. Shi a bungli galaw ai lam hpe katsi ai tsi amyu myu hku nna galai shai ya lu ai. Madung hku nna power mechanical crankshaft, camshaft, shaft hpe matut mahkai ai, n-gang, gear, clutch plate, hydraulic cylinder block hte kaga arung arai ni a matu lang ai.
● chemical nsam:
Carbon C: 3.0~3.5.
Silicon Si: 2.4~2.8.
Mn Mn: 0.3~0.5.
Sulfur S: 0.03~0.035
Phosphorus P:<0.1
Magnesium Mg: 0.045~0.0.05.
Myit yu na lam: RxOy: 0.03~0.049
● jak rung arung arai ni:
Tensile n-gun σ b (MPa): 600
Masa gaw n-gun σ 0.2 (MPa): 370
Asak galu ai lam δ (%): 3
yak hkak ai lam: 190 ~ 270 HB
Density: 7.3 hta t / m (sh) g / cm
● Hka hpe tsi lajang ai lam hte metallography wuhpung wuhpawng ni hpe tsun dan ai:
Hkamja lam hte seng ai masat masa: (supplier wa dawdan ai, lawu na gaw, sample langai a heat treatmentation, reference a matu) 930℃, 2h 2h kaja ai wan n-gun hpe katsi shangun ai, 600℃, 2h, nbung katsi ai lam hpe shayawm ya ai lam re.
Agraphic wuhpung: pearlite + ferrite.
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