Factors affecting casting defect volume of shrinkage cavity and porosity
The tendency of shrinkage cavity and porosity casting defects is related to the solidification mode. During layer by layer solidification […]
The tendency of shrinkage cavity and porosity casting defects is related to the solidification mode. During layer by layer solidification […]
1. introduction to valve body parts The valve body studied in this subject is a main part of the valve.
In order to ensure that the improved structure can meet the requirements of stiffness, strength and dynamic performance, it is
From the algorithm description of fault bucket tooth positioning designed, it can be seen that the analysis logic of fault
According to the topology optimization calculation results, the casting mechanism of the original tractor gearbox shell is optimized and improved
Three model buckets are used to test to verify the feasibility of the designed system. The normal bucket taken from
Image segmentation is also an important branch in the field of computer vision. It is often used in image target
The pin holes, slag inclusion defects of cast aluminum parts, wrinkle of iron castings, carbon defects of steel castings, and
The target detection algorithm can only provide the information of the normal bucket teeth in the image to be detected.
In computer vision, the purpose of target detection is to extract the region of interest from the image or video,
The main difference between lost foam casting and other castings is that the pattern remains in the mold. When the
Constrained modal analysis of tractor gearbox shell casting refers to the modal analysis carried out by simulating the connection between
Through the actual observation of the assembly and connection relationship of tractor castings, we can know that the engine, gearbox
Through the free mode calculation results, it can be seen that the first six modes of the gearbox shell are
In order to facilitate the calculation and accurately reflect the actual working environment of the gearbox, the working environment of
After the development of S1100 diesel engine crankshaft shell casting production, entrusted by other factories, the crankshaft shell casting process
After trial production for many times, a set of skills of white mold burning empty shell of stmma bridge shell
The grade of vermicular graphite cast iron is: rut + Digital. In the brand, “rut” is the capital prefix of
The casting material of tractor gearbox housing is nodular cast iron QT450-10. The material properties are given to the meshed
1. Defect characteristics Pores are found around the hot joint of the cut workpiece, and pores are also found on
1. Simulation of mold filling process of excavator rear axle casting After improving the process, the mold filling process of
Due to the structural characteristics of the axle housing, the spiral case opening can only be placed upward and horizontally.
The molten metal interacts with the surface of the mold cavity at high temperature. After condensation, a layer of hard
Compared with ordinary carbon steel, the properties of gray cast iron have the following characteristics. (1) Low mechanical properties. The
The establishment of finite element model of tractor gearbox shell casting is the basis of finite element analysis and calculation.
The temperature of cutting and welding repair shall not exceed 250 ℃, and the cooling method can be water cooling
1. Defect characteristics Through the observation of the surface of the extruded bucket tooth casting, it is found that a
Cast iron is an iron carbon alloy with carbon content greater than 2.11%. It is obtained by high-temperature melting and
1.Sand sticking of cylinder block water jacket H003 cylinder block is an upgraded version of 52E cylinder block, in which
1. Optimization of gating system In view of the turbulent flow caused by the unstable flow of liquid metal in