SEM observation of casting defects
At a higher magnification of the scanning electron microscope, the casting defects of the three samples are as shown in […]
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Selection of heat treatment process and process after friction welding of ductile iron piston
The QT600-7 ductile iron piston after friction welding needs to be annealed at 400 ℃ – 500 ℃ to eliminate
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Selection and Advantages of Welding Methods for Nodular Cast Iron Piston Head and Skirt
Compared with 38MnVS6Ti non quenched and tempered steel and 42CrMo4 quenched and tempered steel, nodular cast iron material has the
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Selection of Composition of Ductile Iron Profiles
Since the new high-performance piston uses ball ground cast iron profiles to process the piston head and piston skirt respectively,
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The new type of split friction welded ductile iron piston
As one of the main accessories of the internal combustion engine, the piston, piston ring and cylinder liner together form
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Hardness control of gray cast iron cylinder head in actual production
Generally speaking, the hardness is positively correlated with the tensile strength and wear resistance of gray cast iron, while the
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Application of casting technology for automobile engine cylinder block
Although there are many modeling methods for cylinder components, with the continuous improvement of cylinder modeling technology, high-pressure modeling method
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Defect Detection of Automobile Shell Castings
For defects visible to the naked eye on the casting surface and the parts with defects found during flaw detection,
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Casting Defects and Causes of Automobile Shell Castings
A company used the wet casting method to produce a certain type of automobile shell castings, which are made of
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Selection of equipment and melting process for locating plate of high strength gray cast iron
1. Production equipment and burden ratio A 3T medium frequency induction furnace is used in the smelting process, and the
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Analysis of casting process defects of turbocharger shell
Through the understanding of the existing casting process of turbocharger, combined with the current situation of the casting process and
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Development significance and current situation analysis of automobile engine cylinder block casting technology
1. Analysis of development significance of automobile engine cylinder block casting technology In the specific application process of automobile, the
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Classification of internal casting defects of piston
Casting defect Cause Improvement measures Unqualified chemical composition The composition of master alloy ingot is unqualified, and the burden of
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Bimetallic liquid lost foam casting composite wear-resistant lining technology
The bimetallic liquid lost foam composite casting technology is adopted to carry out the process sample by winding the iron
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Optimization of Horizontal Centrifugal Casting Process
There are many research viewpoints about the formation mechanism of anti white mouth defect, such as element area segregation, inoculation
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Classification of casting defects on piston surface
Casting defect Cause Improvement measures White skirt The temperature of molten aluminum is low, and the heat conduction differential ripening
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Lost foam casting process of bimetal wear-resistant castings
Lost foam casting process is known as “new casting technology representing the 21st century” and “green engineering of casting” for
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Analysis of Temperature Field in Solidification Process of Horizontal Centrifugal Casting
The simulation results of the temperature field of the initial horizontal centrifugal casting process castings are shown in Figure 1.
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Evaluation of casting process of nodular cast iron piston ring
From the casting process of nodular iron rings in the above countries, the main process methods abroad are double piece
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Composite technology of horizontal and vertical pouring of middle diaphragm of wear-resistant casting
The middle clapboard is a kind of flat and vertical plate, which means that the mold is molded at the
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Initial technological conditions and physical parameters of horizontal centrifugal casting
1. Calculation of centrifugal speed by empirical formula In the production practice of horizontal centrifugal casting, the centrifugal speed of
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Casting technology of nodular cast iron piston rings in major enterprises in China
At present, the main domestic manufacturers of nodular cast iron piston rings for automotive diesel engines, mini cars and motorcycles
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Research status of dual liquid bimetallic composite casting technology for wear resistant castings
Bimetallic material is a new type of functional material composed of two metals with different mechanical, physical and chemical properties.
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Research status of improving the directivity of high chromium cast iron wear resistant materials
As early as in, the United States studied high chromium cast iron. Due to the high content of chromium, on
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Casting process of nodular cast iron piston ring in piston ring branch of Volga automobile factory
When the Volga car factory was built in toruyaqi, Russia in 1987, a piston ring branch factory was built in
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Establishment of physical model for horizontal centrifugal casting
The assembly drawing of casting and mold is shown in Figure 1. The maximum diameter of casting Φ 140mm, length
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Establishment of mathematical model for horizontal centrifugal casting
The filling process of horizontal centrifugal casting is characterized by free surface, viscous, incompressible and unsteady flow. Therefore, the fluid
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Research significance of wear-resistant lining plate of mining machinery
The wear-resistant lining plate is the main vulnerable and consumable part in the ball mill in the beneficiation industry. When
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Casting process of nodular cast iron piston ring of Japan piston ring company (NPR)
NPR’s foundry is located in Iwate, Sendai City, 250km away from Tokyo, in Northeast Japan. It was built in 194.
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Centrifugal Casting Process of Ductile Iron Cylinder Liner
As the core component of the engine, the cylinder liner has put forward higher requirements for various performances of the