Crankshaft for Truck

Crankshaft For Truck – HY Mold Fittings Introduction of Truck Crankshaft Crankshaft is an important part of the internal combustion engine. The Crankshaft bears the gas pressure, inertia and moment of inertia while it is working. The bearing force is large and complex. It is inevitable that the...

Product Details

Crankshaft For Truck  HY Mold Fittings

Introduction of Truck Crankshaft

Crankshaft is an important part of the internal combustion engine. The Crankshaft bears the gas pressure, inertia and moment of inertia while it is working. The bearing force is large and complex.

It is inevitable that the truck crankshaft steel should have high fatigue strength and wear resistance as well as high hardenability with small deformation under high temperature and high creep strength.


Material Available for truck crankshaft

The material should has high strength, a certain degree of toughness, enough bending ability, torsion fatigue strength, stiffness, and wear resistance.

Example: 35, 40, 45, 35Mn2, 40Cr, 35CrMo Steel. ZG230-450, QT600-3, QT700-2, KTZ450-5, KTZ500-4, etc

The agriculture uses tractor crankshaft don’t require high power, the load is not very large. However, the journal bearing needs a higher hardness and wear resistant. The performance requirements: σb ≥ 750MPa, the overall hardness: 240HBS ~ 260HBS, journal surface hardness ≥ 625HV , δ ≥ 2%, ak ≥ 150 kJ / m2. Crankshaft material: QT700-2.

 

Uses

Material

Pre-Heat treatment

Final Heat treatment

Processing

Hardness(HB)

Processing

Deep (mm)

Hardness(HB)

Light Tractor

45, 50Mn, QT600-3

Normalizing-tempering-normalizing

170-228; 

217-277;

229-302

Induction hardening Nitrocarburizing
Nitrocarburizing

2-4.5  >0.5
>0.1

55-63
>500HV
>650HV

Heavy duty truck

QT600-3, 45

Normalizing-normalizing-tempering

220-260; 163-196; 207-241

Induction hardening
Induction hardening
Induction hardening

2.9-3.5
3-4.5
>3

46-58
55-63
>55

Extrem heavy

45, QT900-2, 35CrMo

Normalizing-normalized and tempered

280-321; 

216-269

Nitrocarburizing

Induction hardening

0.9-1.2

3-5

>300HV

53-58

High power disel engine

QT600-3, 35CrMo, 35CrNi3Mo

Normalize & tempering-tempering-normalizing & tempering

240-300

Nitrocarburizing

Nitrocarburizing

>0.3
>0.5
>0.7

>600HV
>550HV
>600HV


Engine Model available

ISF 2.8, ISF 3.8, A2300, B3.3, 4BT3.9, 6BT5.9, 6CT8.3, 6L8.9, QSB4.5, QSB6.7, ISBe, ISDe, ISCe, ISLe, QSL9, M11, ISM11, QSM11, NT855, K19, K38, KV50, N14, etc.


Packaging and delivery of crankshaft for truck

Neutral White box with carton, the packaging can be customized with your logo.

28-55 days after deposit receipt.

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