Prix FOB
Obtenir le dernier prix0 ~ 25
|600 Piece Minimum Order
Pays:
China
N ° de modèle:
4D55
Prix FOB:
0 ~ 25 Obtenir le dernier prix
Localité:
Shiliwang Industrial Park, Yucheng, Shandong
Prix de commande minimale:
-
Commande minimale:
600 Piece
Packaging Detail:
Carton Packaging
Heure de livraison:
30 Days
Capacité de Fournir:
10000 Piece per Month
Payment Type:
-
Groupe de produits :
Personne àcontacter Feng
Shiliwang Industrial Park, Yucheng, Shandong
The
companys
cylinder liner
generallyapplies the
materials of wear-resistant alloy cast iron
containing chromium or boron, such as HT25-47,
HP-CuCrMo, etc.
The inner surface of the cylinder liner is also sometimes chrome
plated (loose hole chrome plating, chrome
platedatoil storage
outlets), and nitriding or phosphating treatment to
improve wear resistance. Theinner
surfacehardness of
cylinder liner is usually greater than HB200, and has a good match
withthehardnessofpiston
ring. The inner surfaceshould
haveappropriate roughness to make it have a
certain oil storage capacity and running-in
performance. The inner surface should be of
sufficient roundness and cylindricity accuracy, and the mounting
support shouldhave a high
positional accuracyagainst the inside bore
center.
The inner surface of cylinder is easy to wear
because of high temperature and high pressure
gas and contact with pistons at high-speed
motion. In order to improve the wear resistance and
prolong the service life of the cylinder, different cylinder
structure and surface treatment methods
are provided. There are
three types of cylinder structures: no
cylinder liner type,
dry cylinder liner type,
wet cylinder liner type.
Non-cylinder liner type means
that no cylinder liner body is embedded,
andthe cylinder body is
directlyworked out
ofthe body,which
hasthe advantages of
shorteningthe
cylinder center distance andreducingthe size
and theweight of
the body. But the cost is high.
Dry cylinder liner is not in contact with the
coolant, with the
wall thickness of 2~3mm, the outer surface and cylinder liner seat
holeinnersurface
must be refined to ensure the necessary precision and
easyremoval, whichhas the
advantages ofhigh rigidity, small central distance of the
cylinder, light weight and simple processing technology. The
disadvantage is that the heat transfer is poor, the temperature
distribution is uneven, and the local deformation is easy to
occur.
The outer wall
of wet cylinder
lineris in direct contact
with the coolant,withthe wall
thickness of 5~8mm,whichrealizes the
radial positioningbyusing the
upper and lower positioning ring,and
realizesaxial
positioningwith the help
of correspondingbearing
surfacemating
between the
upper flangeof cylinder
linerand the top of the
body,which has
the advantages of the absence
of sealedwater
jacket on the body, easy casting,goodheat
transfer,eventemperature
distribution and easy repair withoutremoving
theenginefromthe vehicle
when replacing the cylinder liner.Butthe body
stiffness is poor, and easy
to leak.
| Pays: | China |
| N ° de modèle: | 4D55 |
| Prix FOB: | 0 ~ 25 Obtenir le dernier prix |
| Localité: | Shiliwang Industrial Park, Yucheng, Shandong |
| Prix de commande minimale: | - |
| Commande minimale: | 600 Piece |
| Packaging Detail: | Carton Packaging |
| Heure de livraison: | 30 Days |
| Capacité de Fournir: | 10000 Piece per Month |
| Payment Type: | - |
| Groupe de produits : | Engine parts |
