Sand mold casting process design of large bearing pedestal
The material of the bearing seat is ZG310-570, and the production nature is mass production. 1. Sand casting process scheme […]
Scientific
Scientific
Scientific
XRD of the fused layer of gray cast iron after laser shock
The X-ray diagram of the surface of gray cast iron sample after laser shock melting is as follows. It can
Scientific
Sand mold casting technology of large bearing pedestal
Large bearing pedestals are used in power plants, petrochemical, metallurgy, shipbuilding and equipment manufacturing industries, such as steam turbine rotor
Scientific
Hardness test of lost foam casting rod mill liner
The figure shows the hardness of ZGMn13 and zgmn17 under different water toughening treatments. It can be seen that the
Scientific
Original technology of lost foam casting nodular cast iron reducer housing
The combination process of lost foam casting nodular cast iron reducer shell is shown in the figure. The design process
Scientific
Defects and control of nodular iron crankshaft in wet sand casting
The wet sand mold casting process of nodular iron crankshaft is mainly divided into two parts: sand mold preparation and
Scientific
Liquid shrinkage solidification of nodular cast iron
For the liquid shrinkage of nodular cast iron, the macro performance is the decline of molten iron liquid level, and
Scientific
PLC control of mold filling speed of sand casting machine bed
1. PLC software design PLC control software includes interface management program and monitoring program. The interface management program is connected
Scientific
Solution to the casting porosity defects often occurred in iron mold sand coated casting process
1. Increase the gate section size in the gating system Gate size in main core: changed from 33.5 / 34.6
Scientific
Research status of wear resistant cast iron
1. Ordinary white cast iron Ordinary white cast iron can only be used in as cast state, and carbon atoms
Scientific
Test verification and data analysis of nodular cast iron based on magma simulation software
1. Test scheme design Select specific nodular cast iron and specific process as the test object (as shown in Figure
Scientific
Simulation results and analysis of shrinkage porosity and shrinkage cavity in sand casting of mud pump body
Shrinkage porosity and shrinkage cavity are the most common defects in the process of sand casting, and they are also
Scientific
Iron mold sand coating process and common quality problems in original mold casting
1. Original mold design structure The original mold structure design of t9000-c iron mold sand coated casting cylinder block in
Scientific
CAE simulation and analysis of nodular iron castings of small motor base
In order to reconfirm the defects of the nodular iron casting and the rationality of the analysis results, the CAE
Scientific
Original technology and existing problems of rapid casting of tractor gearbox shell
1. Casting process In order to ensure the smooth filling of molten iron and prevent the occurrence of defects such
Scientific
Analysis on solidification process of mud pump body in sand casting
The three-dimensional models of casting, sand mold and cold iron are meshed by finite element method. After being imported into
Scientific
Characteristics and analysis of blow hole defects in motor shell casting
Through the verification of small batch production, from the statistical table of defects, the first defect type is blow hole
Scientific
Rapid casting and pouring test of tractor small parts
1. Water glass sand mold pouring test Figure 1 shows the water glass sand mold pouring test of the brake
Scientific
Test results of centrifugal casting isothermally quenched ductile iron bushing
Six groups of samples were selected and tested for mechanical properties by wav-600a universal testing machine. The results are shown
Scientific
Simulation results and analysis of gating system of mud pump body in sand casting
Figure 1 shows the simulation results of filling sequence and velocity field of each part of mud pump body in
Scientific
Analysis of mold filling process of mud pump body in sand mold casting
In order to evaluate the rationality of the optimized process scheme, the software ProCAST needs to be used to simulate
Scientific
Casting and casting of complex tractor parts
Compared with the traditional wood mold turning process, the mold size and size are limited by the table size and
Scientific
Dieless forming of casting sand core for complex tractor parts
The sand mold sand core of tractor complex castings adopts the methods of increasing material manufacturing and reducing material manufacturing
Scientific
Shrinkage porosity and shrinkage cavity in steel castings
During solidification, the steel casting will produce liquid shrinkage and solidification shrinkage. When the feeding system cannot provide sufficient liquid
Scientific
Casting technology and parting design of tractor
The structure of tractor castings is complex. For example, the transmission case shell part of chassis is a thin-walled shell
Scientific
Finish machining and NC program generation of sand casting mold template
Finally, it enters the finishing stage of sand casting mold template, in which the part cutting allowance is set to
Scientific
Microstructure comparison of gray cast iron with the same strength
Figure 1 and Figure 2 respectively show the graphite morphology and matrix structure of two kinds of gray cast iron
Scientific
Comparison of machinability of gray cast iron with the same strength
As shown in the table, the mechanical properties of gray cast iron poured in two different heats are shown. It
Scientific
Effect of inoculation treatment with different inoculants on Machinability of gray cast iron
When the rotating speed and feed rate are constant, the cutting length of the cutting edge for cutting each sample
Scientific
Solid modeling of tooling for sand casting coupling parts
The solid models of sand mold casting, sand core, sprue and riser are made in the form of part modeling.