A large number of equipment such as CNC machine tools and machining centers are used in mold manufacturing. The manufacturing cycle is long. Operators are prone to fatigue. Once a failure occurs, it o...
It is very important for users to use indexable thread turning tool for threading in CNC lathes and machining centers. The correct and reasonable selection of thread cutting technology is very importa...
Oval gears are widely used in automatic machinery and instrument industries, and are a type of non-circular gears. If strictly required, the elliptical gear can only be manufactured correctly on the C...
The cylinder telescopic sheath is a protective component that is installed on the oil cylinder, cylinder, hydraulic cylinder, etc., and then expands and contracts with it. It has the characteristics o...
The Wu Steel Works has two workshops, one steelmaking workshop and the second steelmaking workshop. The second steelmaking workshop produces ordinary steel, and the first steelmaking workshop mainly p...
A large number of equipment such as CNC machine tools and machining centers are used in mold manufacturing. The manufacturing cycle is long. Operators are prone to fatigue. Once a failure occurs, it o...
Forging is the collective name of forging and stamping. It is a forming and processing method that uses the hammer, anvil, punch of the forging machine or the die to apply pressure to the blank...
As we all know, adding an appropriate amount of rare earth elements to steel materials will have a significant impact on the structure and performance of the material. Usually the rare earth elements ...
In the steelmaking process, after the converter smelting is completed, the molten steel is poured into the ladle through the converter tap; Various alloy materials need to be added during the tapping ...
Shougang International Engineering Co., Ltd. has a number of patented technologies for molten iron dephosphorization and desulphurization and slagging, which can combine with the individ...
Quenching oil is the most widely used cooling medium in the heat treatment quenching process for a long time. Although quenching oil has many unique cooling characteristics, it also has problems...
Among the various corrosions of stainless steel, the intergranular corrosion accounts for about 10%. It will reduce the bonding force between the grains. Under the action of stress, it is easy to crac...
Improving the cleanliness of the cast slab is the basis for the production of high-quality steel, and the total oxygen content of the cast slab is an important measure of the cleanliness of the molten...
1.1 Overview In 1958, H.F. Shroyer invented the technology of making metal castings with expandable foam plastic models and obtained a patent. The model used at first was made of polystyrene (EP...
Generally, clean steel refers to a steel grade that has a low content of five major impurity elements (S, P, H, O, N) in steel, and strictly controls non-metallic inclusions (oxides, sulf...
As a measure to reduce the friction between automobile engine parts, it can be roughly divided into the following three types. One is to reduce the actual contact area between components; The second i...
Oxidized pellets have good mechanical strength and metallurgical properties, and have become an indispensable high-quality charge for blast furnace ironmaking. However, the lack of domestic supply of ...
As we all know, the hydrogen in the material will be trapped at various trap positions (dislocations, grain boundaries, precipitates and inclusions, etc.). The heating analysis method is a very import...
In the design process of aluminum alloy die castings, many customers are uncertain about the thickness of aluminum alloy die castings, and they do not know how thin the thickness of aluminum alloy die...
It is necessary for a professional foundry person to know this scrap knowledge! Scrap steel is a general term for ferrous metal scrap in scrap metal recycling. It includes several categories suc...
