News
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What is forging oxidation? How to prevent oxidation?
When the forgings are heated, the residence time is too long at high temperature, the oxygen in the furnace and the oxygen in the water vapor combine with the iron atoms of the forgings and the phe...Read more -
What are the considerations in the design of custom flan?
Today's flange, is to become our life and many industries, can be used to seal products. Therefore, today's flange application or a very wide range of customized flanges has become a product that c...Read more -
What is the future development trend of cold forging process？
Cold forging is a kind of precision plastic forming technology, with machining incomparable advantages, such as good mechanical properties, high productivity and high material utilization, particul...Read more -
Why do die forgings fail?
The so-called forging die failure refers to the forging die can not be repaired to restore its use function of damage, that is, caused by the damage or scrap of the commonly said forging die. Becau...Read more -
What is the inspection procedure for forging products?
The inspection procedure of forged products is as follows: ① All forgings should be cleaned before acceptance of finished products. Free forgings may not be cleaned. ② Before the acceptance of fini...Read more -
You got a colorful egg！
DHDZ forgings (Shanxi Donghuang Wind Power Flange Manufacturing Co.,Ltd) Have a happy Easter！Read more -
What is the difference between hot forging and cold forging?
Hot forging is the forging of metal above the temperature of recrystallization. Increasing the temperature can improve the plasticity of the metal, is conducive to improving the internal quality of...Read more -
What are the characteristics of special steel?
Compared with ordinary steel, special steel has higher strength and toughness, physical properties, chemical properties, biocompatibility and process performance. But special steel has some differe...Read more -
What is the effect of thick rubbing on forging process?
Friction in forging is the friction between two metals of different composition and properties (alloys), between soft metal (workpiece) and hard metal (die). In the case of no lubrication, is the c...Read more -
Detailed classification of commonly used flanges in China
1. According to the standard of mechanical industry, flange types are: plate type flat-welded flange, butt-welded flange, integral flange, butt-welded ring-plate type loose sleeve flange, flat-weld...Read more -
What kind of shaft forgings meet the requirements?
Axial forging is a kind of wide application of forgings, such as axial plus has good processability, m any porosity in practice, there is no other flaws, thus not only has good appearance, with fin...Read more -
The sealing method of hydraulic cylinder forging
The reason why the hydraulic cylinder forgings need to be sealed is because of the existence of internal leakage and external leakage. When there is internal leakage and external leakage in the hyd...Read more
