Hydraulic Press

Hydraulic press is a general term for one of the most commonly used presses in the metal forming industry. It may be used by manufacturers of various industrial goods and daily necessities. In the industrial field, it is mostly used in furniture, sports, consumer electronics and household appliances. The size of the mold determines the size of the hydraulic press.

Hydraulic presses can be divided into several categories, such as hydraulic deep drawing press, hydraulic tryout press, etc. If compared with try out press and production press, the mechanical force of the hydraulic press will be greater, because the design of this press can exert the required pressure on the work pieces of various materials.
 
The structure of a hydraulic press is a mechanical press using a hydraulic cylinder, which generates huge and sudden pressure. The design of the hydraulic press is based on the Pascal principle, that is, the pressure in the entire closed system should always be kept constant. It is divided into two parts in the press structure, one part is a small piston, used to play the function of a pump, generates the force is on a small cross-section. The other is a larger area piston, which generates a greater mechanical force.
 
Another type of hydraulic press is the C frame hydraulic press, which is a press based on the same mechanical concept. Its design has a bow-like layout similar to the letter C and can usually be operated vertically. 

 

Usage of hydraulic presses

Hydraulic presses are commonly used for various metal forming task, such as clinching, forging, molding, punching, blanking, deep drawing, and so on. The use of a press can greatly shorten the production cycle while maintaining consistent tolerances.

In practice, compared with metal cutting, metal forming is more efficient, and mass production can even be achieved. Therefore, most presses are used for mass production, and a large number of work pieces can be shaped into the desired shape in a short time.

 

Wheel rim instance

Many industrial products have common specifications and production standards around the world, especially in the automotive and electrical industries. They can monitor the production quality through the CNC control system so that they can obtain a large number of products with very consistent specifications.

For example: in automobile wheel manufacturing, the wheel rims output needs to pass through a complex and long production line, but that can only produce one type of wheel rims. However, the problem facing manufacturers is that they are often required to produce various types of wheel rims in a shorter production cycle. Based on this actual situation, they began to adopt an automated system in the hydraulic press, which can speed up the operation of the press. Nowadays, the hydraulic press and the automation system are increasingly inseparable.

On the other hand, servo presses and mechanical presses are also widely applied as well as the hydraulic presses and each of them has different advantages and is suitable for different production types. In addition to the metal forming industry, with the development of light industries such as sports, aerospace and automotive appliances, servo hydraulics and hydraulic presses have become important tools for injection and extrusion of plastics and rubber in the thermoplastic industry.

 

Press faster!

The current manufacturing trend is still a small amount but diversified production, so in the press industry, it is very important to install a faster die change mechanism to achieve the demand for agile manufacturing.

Another type of press is a high-speed press. It is one of the most commonly used presses in modern industry. Many manufacturers use it to produce a variety of industrial items and products we use every day.

 

Conclusion

In the past, although the hydraulic type press was relatively stable, it actually operates slowly. However, with the advancement of hydraulic and mechanical technology, many hydraulic presses can complete tasks quickly and accurately in shorter cycle, and then achieve mass production.
 
With the further development of machine tool technology and computer science, the trend of intelligent manufacturing from 2013 will promote hydraulic forming to become more intelligent. But what is smart forming, and how to make it happen? These are a big problem. However, we may use the current trends as a reference to shape the future of intelligent forming.

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