1. Test results Workmanship Standards Tensile strength (≥ 655)/MPa Yield strength (≥ 551)/MPa Elongation (≥ 18)/% Reduction of area (≥ […]
The production process of front support steel castings is as follows: molding – melting – casting – unpacking – sand
Due to excellent casting performance, low density, and good mechanical propertiesNeng et al., hypoeutectic Al Si alloys are widely used
The cylinder head structure of automotive engines is complex and generally adoptsCast iron or aluminum alloy material, as shown in
introduction With the improvement of automobile emission standards, reducing engine emissions, reducing fuel consumption, and improving combustion efficiency have all
The failed crankshaft is a ductile iron crankshaft! material qualityStrengthening the process with rounded corners, nodular cast iron groove cutting,
Introduction In the field of aviation jet engine, naval gas turbine, industrial gas turbineturbines are usually driven by high-temperature gases
The solidification time of a steel casting depends on the ratio of its volume to surface area, which is called
1. Orthogonal experimental design In sand mold casting, pouring temperature and pouring speed are two important parameters in the sand
1. Chemical composition The shell steel casting is made of ZG270-500 alloy, which has a certain degree of plasticity and
With the rapid development of China’s economy, especially the infrastructure industryThe rise of the Internet of Things has led to
Preface 3D printing, as the biggest driving force technology of intelligent manufacturing, isThe reason for the delay in large-scale implementation
Si Mg Ti Sr Zn Cu Al 7.275 0.391% 0.0518% 0.0123% 0.00089% 0.00197% 92.2% Table 1 shows the chemical composition
The electric vibration table can meet the simulation requirements under various vibration conditions, andHas been applied to the simulation test
Investment casting process can produce complex shapes, high surface finishGood, high dimensional and shape accuracy castings are widely used in
According to the simulation results of the gear box, the prototype is trial-produced. The mechanical properties, metallography, magnetic particle inspection
A ductile iron developed and designed in this study for lost foam castingThe casting weight is 180kg, and its structural
40/70 mesh wood modified furan resin sand is used for manual molding, and the ratio of curing agent is 65wt.%
Introduction Aircraft jet engines, marine gas turbines, industrial gas turbinesturbines are commonly used to drive machinery in many fields, such
During the molding process of castings, various defects may occur, including shrinkage porosity, hot cracking, porosity, insufficient pouring, iron inclusion,
The low pressure casting process has been in existence for more than 100 years.The concept of history was first proposed
The failed crankshaft is a ductile iron crankshaft!The material is hKM””&!Strengthening process for fillet groove rolling E axis radial medium
Abstract Exhaust elbow is mainly used in special vehicles, ships and other fields of high horsepowerengine internal, is a special
0 Introduction Casting crane is an important tool for extracting and dumping molten iron tanks in steel millsEquipment, due to
According to the structure and size requirements of turbine guide and the characteristics of K438 alloy, vacuum investment casting is
0 Introduction As an important component of the engine, the turbocharger plays a crucial role in improving the engine’s performanceIts
The oil pan is the lower half of the crankcase, also known as the lower crankshaftA box is used to
1. Preface The crankshaft induction hardening process mainly involves adding parts through induction heatingHeat the crankshaft to 800-900 ℃ using
1 Process plan The sand mold material is resin sand, and the casting method is gravity casting.The interface with the
1. Process Status Grid fin surface structure for CZ-2D and CZ-4B carrier rocketsAs shown in Figure 1, the rudder surface
