News

What are the methods of forging cleaning

Forgings cleaning is the process of removing surface defects of forgings by mechanical or chemical means. In order to improve the surface quality of forgings, improve the cutting conditions of forgings and prevent the surface defects from enlarging, it is required to clean the blank and forgings ... Read More

Defects and Countermeasures of large forgings: Uneven microstructure and properties

Large forgings, due to their large size, many processes, long cycle, non-uniformity in the process, and many unstable factors, often cause serious non-uniformity in the microstructure, so that they cannot pass the mechanical property test, metallographic inspection and non-destructive flaw detect... Read More

Defects and Countermeasures of large forgings: Forging cracks

In large forging, when the quality of raw materials is poor or forging process is not at the right time, forging cracks are often easy to occur. The following introduces several cases of forging crack caused by poor material. (1) Forging cracks caused by ingot defects Most of the ingot defects m... Read More

The forging process of ring forgings

Ring forgings are widely used in industry at present. The forging process of ring forgings is also composed of four parts. The following is mainly to tell you about some ring forging process, I hope you can learn. The forging process of ring forgings mainly consists of the following steps: Pier ... Read More

The basic process of forging

The forging process of forgings is generally as follows: ingots preparation or blank blanking - ingots (blank) inspection - heating - forging - cooling - intermediate inspection - heat treatment - cleaning - final inspection after forging. 1. the ingot is mainly used for the production of medium ... Read More

The influence of various metals on the properties and malleability of steel

Metals are thermoplastic and can be pressed when heated (different metals require different temperatures). This is called malleability. Malleability the ability of a metal material to change shape without cracking during pressure working. It includes the ability to perform hammer forging, rolling... Read More

What are the application areas of large ring forgings?

Large ring forgings are widely used, but in what specific ways can they be used? The following article is mainly for you to tell. 1.Diesel engine ring forgings: a type of diesel forgings, diesel engine diesel engine is a kind of power machinery, it is often used for engines. Taking large diesel e... Read More

Technical requirements for pipe flange forgings (including forged and rolled pieces)

Technical requirements for pipe flange forgings (including forged and rolled pieces). 1. The grade and technical requirements of forgings (including forged and rolled pieces) shall meet the corresponding requirements of JB4726-4728. 2. Nominal pressure PN 0.25 MP 1.0 MPa carbon steel and austenit... Read More

Donghuang forging factory complex office building main project successfully capped

On the morning of November 8th, the capping ceremony of Donghuang forging Group factory complex office building (located in Dingxiang Industrial Park, Shanxi Province) was held at the construction site. That morning, the sun is shining, flags fluttering, the construction site is a busy scene ever... Read More

What is a flange?

Friends in forums and blogs often ask, what is a flange? What is a flange?Most books say that flange, gaskets and fasteners are collectively called flanged joints.Flange joint is a kind of component widely used in engineering design.It is an essential part in piping design and fitting valve, and ... Read More

DHDZ forgings Obtain ASTM Certificate

American Society for Testing and Materials, ASTM. Formerly known as the International Association for Testing Materials (IATM). The American Society for Materials and Testing (ASTM) is currently one of the largest standards development organizations in the world and is an independent non-profit o... Read More

The difference between casting and forging

Even the precision casting has casting defects, such as shrinkage cavity, trachoma, fractal surface, pouring hole; Forgings on the other hand. You can also drop the product on the floor, and listen to the sound of the crash, usually the sound of the casting muffled, the forging sound more fragile... Read More
<< < Previous 15161718192021 Next > >> Page 18 / 24