(1) The casting process plan determines that the casting adopts the whole sample sand box molding production mode. According to the structural characteristics of the casting, considering the advantages of molding operation, the parting surface is set at the plane of the intersection between the upper cylinder and the...
Generally, for the newly put into production lost foam Castings, engineers and technicians rely on experience to select pattern density, pouring temperature, negative pressure, coating and other parameters, and design the pouring system through repeated experiments and modifications, so as to finally complete a more reasonable casting process. However,...
According to the comparison table of various casting methods, it can be seen that each process has its advantages and disadvantages. However, according to the comprehensive analysis and comparison of factors such as the investment of production equipment, the complexity of process, the level of production efficiency and the...
The column of a large CNC vertical lathe (hereinafter referred to as “vertical lathe”) is a key basic component of the machine tool. The column mainly supports and stabilizes the components involved in cutting, such as the vertical lathe beam, tool rest body and ram, to meet the Z-direction...
Nodular cast iron piston ring plays the role of sealing, heat transfer and support in the engine, so it is required that the piston ring has good wear resistance, elasticity and thermal stability, especially for one ring. The development and application of nodular cast iron piston ring is a...
The investment casting process of single impeller blade mainly includes several processes: mold material preparation, investment mold manufacturing, cooling, storage and inspection. The specific process is shown in the table below. Technological process Process parameters Investment mold configuration of impeller blade — Wax melting equipment Resistance furnace or power...
The process flow of lost foam casting is divided into two parts: white area and black area. (1) the process of lost foam casting white area: the white area is mainly a program for making foam models. Foam molding process should first consider the wall thickness and material of...
Although there are many modeling methods for cylinder components, with the continuous improvement of cylinder modeling technology, high-pressure modeling method has been widely used in automobile engine cylinder casting. This molding process has many advantages. For example, its pressure can be controlled at 1MPa and the hardness of the...
1. Analysis of development significance of automobile engine cylinder block casting technology In the specific application process of automobile, the engine is the most critical part. Only by ensuring the design and manufacturing quality of the engine can we effectively ensure the application effect of automobile. In the automobile...
The nodular cast iron long fork is a lifting part on the hydraulic lifter of an agricultural tractor. It was originally divided into two lifting arms (i.e. “upper fork arm” and “lower fork arm” in the text) and three parts of a cylinder equipped with a lifting shaft between...