Distribution of graphite balls in cylinder block of nodular cast iron plunger pump
The diameter distribution of graphite balls in three parts of lzqt600-3 ductile iron profile was analyzed by Excel and Image […]
The diameter distribution of graphite balls in three parts of lzqt600-3 ductile iron profile was analyzed by Excel and Image […]
The shape factors of graphite balls in three parts of lzqt600-3 ductile iron profile were analyzed by Excel and Image
The figure shows the statistical results of the number of graphite balls in three parts of lzqt600-3 ductile iron profile.
As shown in the figure is the structure diagram of polished state of lzqt600-3 ductile iron section edge, 1 /
The corrtest electrochemical test system can automatically carry out the electrochemical corrosion test and fit the test curve. Before the
The friction and wear tests of nitrocarburizing samples were carried out on a friction and wear testing machine. The friction
According to the statistics of pearlite content in the structure of nodular cast iron under corrosion state, the gray data
In the molding process of sand coated iron mold, sand collapse and empty shell are the important reasons for sand
Spheroidization rate is one of the important and often used evaluation criteria of ductile iron. The calculation method is as
Based on the national standard GB / T 9441-2009 metallographic examination of nodular cast iron, the following four parameters are
In order to avoid too many times of Nitrocarburizing on different parts of lzqt600-3 ductile iron profile, the difficulty of
During the production of lzqt600-3 ductile iron profile, due to its inherent process characteristics, the molten iron after spheroidizing treatment
Air tightness test, also known as sealing test, is an important indicator to judge whether there is internal defect in
In order to verify the feasibility of casting process, the sample of open axle housing was trial produced according to
After adding riser and chill to the gating system, mesh division, casting parameters setting and pouring process simulation calculation are
The cold iron is directly attached to the area where the riser is not suitable. Because of the chilling effect
The ratio of the volume of the axle housing divided by the heat transfer surface area is called the solidification
Shrinkage cavity is a common casting defect, which is essentially a volume defect. According to the causes, it can be
Simulation and analysis of temperature field in closed gating system of axle housing The simulation of temperature field is shown
During pouring, under the action of gravity, the molten metal first enters the cavity through the sprue, enters the runner
Figures (a) and (b) show the flow of the liquid metal in the bridge shell when the metal liquid fills
Figure (a) is the real-time screenshot of the molten metal just filling the runner at the beginning of pouring, and
In order to predict and confirm the location, size and range of shrinkage defects in the pouring and feeding system
Setting of sand mold material parameters When sodium silicate molding sand is used in production, it can be replaced by
During the solidification of hot metal, the liquid and solid state of most metals exist together most of the time.
Generally, the thermal conductivity of metal is related to the temperature and chemical composition of molten steel, which is generally
The numerical model of axle housing is established by Creo software and saved in. STP format. The STP file is
Using ProCAST through The computer numerical simulation software is used to simulate the gating system of the axle housing. The
Semi closed gating system is adopted, and the proportion is as follows: Σ a inside: ∑ a transverse: ∑ a
The open gating system is adopted, and the proportion is as follows: Within Σ A: ∑A transverse: ∑A straight =