News

DHDZ’s team advantages

It's no secret that today's competitive world demands competitive partners. Partners with the technology, commitment and capacity to meet your needs. DHDZ's Forge Team has the capabilities to be your forging technology partner for flashless, close tolerance and warm forgings. From product design ... Read More

The application of aluminum alloys

Aluminum alloy is a preferred metal material for lightweight part manufacturing in aerospace, automobile, and weapon industries due to its good physical properties, such as low density, high specific strength, and good corrosion resistance. However, during forging processes, underfilling, folding... Read More

Innovative forging technology

New energy‐saving mobility concepts call for design optimisation through downsizing of components and choice of corrosion resistant materials possessing high strength to density ratios. Component downsizing can be performed either by constructive structural optimisation or by substituting heavy m... Read More

Welding procedure of stainless steel flange and elbow

Flange is a kind of disc parts, are the most common in the pipeline engineering, flange are paired and mating flanges which are connected with the valve used in pipeline engineering, the flange is mainly used for pipe connection in need of connecting pipes, all kinds of installation of a flange, ... Read More

Forging buyers must see, what are the basic steps of die forging design?

The basic steps of die forging design are as follows: Understand the parts drawing information, understand the parts material and cabinet structure, use requirements, assembly relationship and die line sample. (2) considering the structure of the parts of the die forging process rationality, put ... Read More

Cause of distortion in forging after heat treatment

After annealing, normalizing, quenching, tempering and surface modification heat treatment, the forging may produce thermal treatment distortion. The root cause of the distortion is the internal stress of the forging during heat treatment, that is, the internal stress of the forging after heat tr... Read More

The uses of flange

A flange is an external or internal ridge, or rim (lip), for strength, as the flange of an iron beam such as an I-beam or a T-beam; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera; or for a flange of a rail car or tra... Read More

Hot forging and Cold forging

Hot forging is a metalworking process in which metals are plastically deformed above their recrystallization temperature, which allows the material to retain its deformed shape as it cools. ... However, tolerances used in hot forging are generally not as tight as in cold forging.The cold forging ... Read More

Forging Manufacturing Technique

Forging is often categorized according to the temperature at which it is performed—cold, warm, or hot forging. A wide range of metals can be forged.Forging is now a worldwide industry with modern forging facilities producing high-quality metal parts in a vast array of sizes, shapes, materials, an... Read More

What are the basic equipment for forging?

There are various kinds of forging equipment in forging production. According to the different driving principles and technological characteristics, there are mainly the following types: forging equipment of forging hammer, hot die forging press, free press, flat forging machine, hydraulic press ... Read More

What is the process of manufacturing die forgings?

Die forging is one of the common parts forming machining methods in the forging process. It is suitable for large batch machining types.The process of die forging is the whole production process that the blank is made into die forging through a series of processing procedures.The die forging proc... Read More

Improving the plasticity of forgings and reducing the deformation resistance

In order to facilitate metal blank flow forming, reasonable measures can be taken to reduce deformation resistance and save energy of the equipment. Generally, the following approaches are adopted to achieve: 1) master the characteristics of forging materials, and select reasonable deformation te... Read More
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