Carbon/Stainless Steel Hot/Die Forging/Forged Crank Shaft for
Auto/Truck EngineProduct Description Item
nameCrankshaft Car makeTruckUnit priceFor latest price, pls
contact us ,we will reply in 24 hours.QuantityWe accept small
orders for new customers.More quantity ,better price we
can meet the customer's request to change the material to control
the costPacking detailsA.neutral packing boxB.original packing
boxC.making the packing according to customer's requirement
.Payment termsWestern Union, T/T, PaypalDelivery timeDepending
on quantity, usually 35 days if not in
stock Advantages1.High quality2.Reasonable price3.Good
reputation4.Reliable supplier5.better after-services6.prompt
delivery Material specification:
1. Carbon & low alloy steel;
2. Stainless steel; 3. High
alloy & wear resist steel; 4. Gray iron;
Ductile iron; 5. Malleable iron;
6. Alloyed cast iron;
7. Aluminum alloy; 8. Cooper
alloy; 9. Zinc alloyThe crankshaft is the
most important part of the engine. It bears the force from the
connecting rod and converts it into torque, which is output through
the crankshaft and drives other accessories on the engine. The
crankshaft is subjected to the combined action of centrifugal force
of rotating mass, periodic gas inertia force and reciprocating
inertia force, which makes the crankshaft bear the bending and
torsional load. Therefore, the crankshaft is required to have
sufficient strength and stiffness, and the journal surface shall be
wear-resistant, work evenly and have good balance.The stress of
crankshaft is extremely complex. It works under the joint action of
periodically changing gas pressure, reciprocating inertia force and
its torque, and bears huge alternating bending and torsion loads.
At the same time, it is also a slender high-speed rotating part, so
it needs strict dynamic balance, and bending and distortion are not
allowed to exceed a certain value. Therefore, our crankshaft needs
to be made of very high-quality materials and undergo strict
surface treatment process. 45, 40Cr, 35Mn2 and other medium carbon
steel and medium carbon alloy steel are generally used for die
forging, and nodular cast iron is also used more in recent years.
After forging or casting, in order to improve the fatigue strength
of the crankshaft and eliminate stress concentration, shot peening
shall be carried out on the journal surface, and the fillet shall
be rolled; In order to improve the surface hardness of the journal,
it is also necessary to do high-frequency quenching or nitriding
treatment on the journal surface, and finally finish machining. The
crankshaft treated in this way has sufficient fatigue strength and
stiffness against bending and torsion, and the journal has large
enough pressure bearing surface and wear resistance. It ensures the
high hardness and accurate size control of the crankshaft. Enable
users to have a good use feeling.
Specifications: 1. ISO9001: 2015
certification 2. TUV (PED 97/23/EC &
AD2000 aa W0/TRD 100) certification 3.
Professional OEM manufacturer 4. Process:
Precision made. Experience & Reasonable QC that you can reply on
Each part would be given 100% test and
tryout before shipment. 5. Adequate supply capacity. Punctual
delivery time.Features:custom forgings Crankshaft1)
Materials: carbon steel, Alloy steel, stainless steel,
aluminum, bronze, brass, etc. 2) Standard: JIS, DIN, ASTM, BS3
) Surface treatment :Electro Zinc Plating Hot deep zinc
plating, Electrophoresis, Powdercoating, Painting ,Shoot blasting
etc. 4) Weight: 0.1 -10,000kg5) Processes : Forging ,Sand
Casting, Investment Casting, Precision Casting, CNC
Machining. 6) Manufacturing equipments: three die-forging
product lines (3 ton stamp forging hammer product line, 1000 ton
friction product line, 1250 ton press product line), various loose
hammers and cylinder parts , automatic control ring forging
machine, heat treatment cellar, digital control fibre natural gas
car furnace, standing machine tool, machine tools, standing
miller, standing drill machine, bench drill machine ,CNC
machining centre etc7) Testing equipment: Supersonic inspection
machine, Supersonic flaw detecting machine , physics and chemical
analysis.8)Servicesa) Also can design and manufacture forged
according to the customers' requirementb) ISO9001 quality control
and inspectionc) In house & Third Partiesd) Ordering and
warehousing9)Packing: Wooden cases or according to customers'
needs Q: Why choose Shengao product? A: We
shengao have our own plant-- Weifang Shengao machinery Co., Ltd,
therefore, we can surely promise the quality of every
product and provide you comparable price. Q: Do you
provide OEM Service? A: Yes, we provide OEM
Service. Q: Do you provide customized shaft
products? A: Yes. Customers give us drawings and
specifications, and we will manufacture accordingly.
Q: What is your payment term? A: We pro
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