The relationship between the number of graphite balls and the properties of 45 ° sector block is shown in Figure […]
The technological process of lost foam casting is divided into white area and black area. (1) the process of lost
The rotor and foundation of centrifugal casting were analyzed separately, and the differential equations of motion were obtained. The rotor
Lost foam casting technology is usually referred to as lost foam casting in English, which is also called as lost
Metallographic examination shall be carried out in accordance with GB / t9411. The graphite morphology and matrix structure at different
The test results of 650 semi continuous casting machine equipped with nitrogen protection device are analyzed, which provides evidence for
The central section of the 45 ° fan-shaped test block (as shown in Fig. 4-15) is selected for the sampling
(1) Taking the roller supported horizontal centrifugal casting machine as the research object, the calculation model of its support stiffness
In order to test the application effect of the nitrogen protection device, the power frequency induction furnace is selected as
There are two types of excitation on the rotor of rotating machinery, one is the excitation force acting on the
The temperature measurement curves of different positions of 45 ° sector test block are shown in Fig. 1. The cooling
The device is connected with the furnace head through the flange head, and uses the sleeve and the protective cover
The simulated solidification time distribution of ductile iron spent fuel container is shown in the figure. As can be seen
The temperature curves of chill and metal mold are shown in Fig. 1 and Fig. 2 respectively. In about 18
According to the statistics of nonferrous metal processing industry association, the comprehensive output of copper processing materials in China in
Aluminum alloy can replace most of the parts, and steel for automobile has a large proportion. Most of the steel
Using high-purity pig iron as the main raw material, the high-temperature pure and high-quality molten iron meeting the composition requirements
The so-called hot forming, fully known as hot stamping forming, is a new technology specially used for automotive high-strength steel
1.Analysis of temperature field in filling process The actual production requires that the minimum temperature distribution is at the overflow
The high temperature resistant blind valve is suitable for the gas pipeline of the producer. Producer gas is coarse hot
At present, with the development trend of automobile lightweight, high strength steel and aluminum alloy become two kinds of materials
Figure 1 is the flow field simulation diagram of automobile steering wheel formed by opposite side casting. It can be
Thin wall In order to meet the needs of the era of low emission and lightweight, promote global sustainable development,
Establishment of casting model A356 aluminum alloy is selected as the die casting material. The casting aluminum alloy A356 is
It can be seen from the characteristics of squeeze casting that the temperature distribution and stress distribution inside the casting
With the development of globalization, more and more attention has been paid to improving the engine emission temperature and realizing
In the field of automobile, rail transit and aerospace equipment manufacturing, lightweight materials and manufacturing technology occupy a very important
The metal in the filling process can be considered as incompressible fluid, which follows the hydrodynamics law and can be
As shown in Figure 1, due to the symmetrical arrangement of rollers, the weight of the mold is shared equally
In the past, when casting exhaust pipe, the main forming mode was wet sand gravity casting, and the materials were
