Theory of large hole outflow in casting system of cylinder block
The technological principle of pouring system for cylinder body iron castings is: conveying liquid metal to the inside of the […]
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Statistical study on chill of iron castings
Application Statistics of cold iron in cylinder block iron castings. It can be seen from the statistical cases that HT200
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Microstructure of 6061 aluminum alloy wheel hub by liquid die forging
6061 aluminum alloy wheel hub was prepared by liquid die forging, and its structure is shown in Fig. 1. Samples
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Slag inclusion defect on casting surface of nodular cast iron intake cylinder
The surface slag inclusion defect is the most common and the most difficult to avoid on the surface of gas
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Riser free process for iron castings
The large cylinder block iron castings are typical thick large iron castings, and the riser free process is mainly used.
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Technology of duck beak riser on top of iron castings
The top duckbill riser technology is based on the design theory of direct practical riser technology, which is mainly used
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Hot side riser technology of iron castings
The hot side riser process follows the principle of sequential solidification and meets the requirements of large riser technology. It
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Failure analysis of diesel engine transmission shaft crack
The results are as follows (1) Through spectral analysis, the chemical composition of the sample is more than the requirements
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Failure detection of diesel engine drive shaft crack
Cracks were found at the flange after machining, and the macro morphology of the cracks is shown in Fig. 1.
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Brief introduction and analysis of forging process
(1) The main processing procedure of the diesel engine transmission shaft forging is forging isothermal normalizing rough machining ut flaw
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Study on riser process design of cylinder block iron castings
In the process of pouring, cooling and solidification, the feeding liquid metal passes through the riser, riser neck and the
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Feeding theory and technology of cylinder body cast iron
As one of the key parts of the engine, the cast iron parts of the engine block have high quality
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Riser design of feeding process for cylinder block iron castings
In the production practice, the shrinkage modulus method is mainly used to design the process riser to complete the feeding
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Test of ferroboron for tractor box and cylinder block casting
1 Reagent Anhydrous sodium carbonate solid (analytical pure), sodium peroxide solid (analytical pure), nitric acid (analytical pure), sulfuric acid (analytical
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Prospective control experiment and analysis of five axis simultaneous high speed forming of sand mold
The z-axis is selected as the prospective control axis to verify the effect of five axis linkage speed control. Take
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High speed feed experiment of five axis simultaneous forming of sand mold
In order to further improve the efficiency of sand mold five axis linkage forming, in the above impeller sand mold
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Analysis of velocity fluctuation in five axis simultaneous forming of sand mold
In the process of five axis machining, due to the large amount of data, the control system can not carry
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Five axis simultaneous forming experiment of casting sand mold
The experimental equipment is a digital five axis dieless casting precision forming machine developed by the General Institute of mechanical
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Calculation of five axis simultaneous forming of sand mold
The three-dimensional modeling of impeller sand mold is carried out by UG, and the automatic cutter shaft machining mode is
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Single axis look ahead control strategy for five axis simultaneous high speed forming of sand mold
In order to limit the speed of each axis in the process of five axis simultaneous high-speed forming of sand
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RTCP kinematic model of five axis simultaneous forming of sand mold
The five axis machine tool with double turntable structure has a smaller part size, while the sand mold is mainly
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Casting heat treatment process of ductile iron piston
Normalizing ductile iron piston Normalizing, also known as normalizing, is to heat the workpiece to Ac3 or Accm above 30~50
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Matters needing attention in casting process of ductile iron piston
The wall thickness of ductile iron piston varies greatly, the thinnest part is 7.5 mm, the thickest part is 23
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Casting technology of ductile iron piston
The casting properties of ductile iron have the following characteristics ① The content of sulfide and oxide in molten iron
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Metallographic structure defect of heavy section position of nodular cast iron into cylinder
The floating of graphite and abnormal shape of graphite in the center is a kind of metallographic structure defect associated
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Effect of process parameters on solid-liquid segregation in semi-solid die casting with thick wall
Solid liquid segregation is one of the main defects in thick wall products. Under the condition of good feeding condition
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Effect of mold temperature on shrinkage and porosity of semi solid die casting thick wall castings
In this experiment, the method of controlling variables is adopted. The mold temperature is set as 230 ° C, 140
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Effect of handle thickness on shrinkage cavity and porosity of semi solid die casting thick wall casting
In this test, the control variable method is adopted, and the material handle thickness is set as 16mm, 31mm, 42mm
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Effect of pressurization pressure on shrinkage porosity of semi solid die casting thick wall castings
In this test, the method of variable control was adopted. Under the condition of other parameters unchanged, the boosting pressure
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Feeding technology of casting die for automobile disc brake caliper
Taking a brake caliper casting of MQB platform of Volkswagen as the research object, a series of research on the