Decarburization defect of quenched and tempered steel connecting rod during heat treatment
Decarburization refers to the phenomenon that CO2, H2O, O2, H2 and other gases in the heating medium interact with the […]
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ADC12-0.25Ti aluminum alloy automobile casting test materials and methods
The new aluminum alloy ADC12-0.25ti containing titanium for automobile parts is taken as the research object. The chemical composition of
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Graphite transformation in laser melting layer of gray cast iron sample
When the temperature in the molten pool rises rapidly, the convection inside the molten pool is strong, which adds to
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Large aluminum wheel hub forming specimen
In the forming experiment, the large aluminum hub is taken as the forming object, with a diameter of 660mm and
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Heat treatment of automobile connecting rod
In the situation of fierce market competition, under the premise of ensuring product quality, energy saving and consumption reduction is
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Influence of unreasonable structure on casting process and mold design
When examining the casting process of cylinder head, it is necessary to avoid unreasonable structure affecting mold parting or casting
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Effective application of additive manufacturing technology in investment casting process of agricultural machinery
1. Manufacturing process All the technologies described above have different advantages. In this study, selective laser sintering technology is mainly
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Riser process of steel castings based on OpenCascade
The riser system in casting process design is generally designed based on experience and relevant databases. Sometimes the designed riser
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Early development of lost foam casting abroad
Lost foam casting originated in the United States. In 1956, American H.F.Shiroyer used EPS foam as wax mold material for
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Zl116 aluminum alloy support arm casting performance test materials and methods
Take 4N9 high-purity aluminum, 4N9 refined magnesium ingot, Al-5Ti, al-3be, Al-12Si master alloy and ZL116 alloy ingot as raw materials,
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Oxidation defect of quenched and tempered steel connecting rod during heat treatment
No matter whether quenching + high temperature tempering or energy-saving waste heat quenching + high temperature tempering are used, the
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Design optimization and application of grinding mould for casting cylinder head
The existing mould and the cast cylinder head with grinding problems are shown in Figure 1. As shown in Figure
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Impact properties of 30CrNiMo steel castings
30CrNiMo steel has been widely used in mining machinery due to its high hardenability, good comprehensive mechanical properties and excellent
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ADC12-0.25ti aluminum alloy automobile castings
ADC12-0.25ti aluminum alloy samples for automotive castings were prepared at different pouring temperatures. The microstructure, fluidity and hot cracking resistance
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Non equilibrium solidification microstructure of laser melting layer of gray cast iron sample
In the process of rapid cooling of the molten pool, due to the extremely fast cooling speed, non-equilibrium solidification occurs
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Simulation of compound squeeze casting production logistics system
The system model of the composite squeeze casting forming system established provides the basis for the production logistics simulation of
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Design characteristics of compound squeeze casting die
The characteristics of compound squeeze casting die for large parts are as follows: only one cavity is set in one
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Definition of composite squeeze casting
Direct squeeze casting technology has a short pressure transmission distance because the pressure directly acts on the surface of liquid
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Metallographic microstructure of automobile connecting rod
The metallographic microstructure of the finished automobile connecting rod shall be uniform fine grain structure, and no sheet ferrite is
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Influence of cylinder head push rod hole structure on casting process
At present, there are two main structures at the push rod hole of diesel engine cylinder head. One is that
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Advantages of additive manufacturing technology
Additive manufacturing technology includes computer-aided design technology, material processing and forming technology. At the same time, digital model files need
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Effect of vibration frequency on hardness of vermicular graphite cast iron
The figure shows the hardness change curve of vermicular graphite cast iron prepared under different vibration frequencies. It can be
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Effect of vibration frequency on matrix structure of vermicular graphite cast iron
The figure shows the matrix structure of cast iron prepared under different vibration frequencies. Figures (a) – (d) show the
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Function of casting coating
(1) Prevent sand sticking of castings. After the coating penetrates into the surface of the sand mold (core), fill the
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Application scope of lost foam casting
(1) Type of alloy used Theoretically, any metal that can be used for casting can be used for lost foam
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Application of microalloyed non quenched and tempered steel for automobile connecting rod
In the past, the engine connecting rod was made of medium carbon steel or medium carbon alloy steel after quenching
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Casting properties of ZL116 aluminum alloy arm
ZL116 aluminum alloy has excellent casting performance, low hot cracking tendency, high air tightness, good mechanical properties, corrosion resistance and
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Development trend of bimetal centrifugal casting composite technology
In addition to composite rollers and composite pipes, ring parts such as bearing rings and flanges are used as key
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Defect analysis of heat treatment of quenched and tempered steel connecting rod
Effect of chemical composition on mechanical properties Although the steel of the same brand will appear in production, some chemical
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Current situation of engine connecting rod in China
The production methods of engine connecting rods in China include traditional forging, casting and powder metallurgy, and the research and