Youlin is a Youlin® die forging manufacturer and exporter in China. With forging facilities ranging from 300t-2500t, we are capable to produce closed die forged components from 0.2kg-60kg. There is no material limitation if you would like to source steel forgings, aluminum forgings and brass forgings. We can supply all the metal forgings you like.
We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for ODM Factory China Hot Youlin® Hot Forging Closed Die Forging Open Forging Drop Forging, Any necessitates from you will be compensated with our greatest consideration!
ODM Factory China Youlin® Hot Forging Closed Die Forging Open Forging Drop Forging, Upon today, now we have customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to offer the highest quality solutions with best price. We are looking forward to doing business with you!
1.Definition of Hot Forging Closed Die Forging Open Forging Drop Forging
Youlin® Hot Forging Closed Die Forging Open Forging Drop Forging is the most common option for metal deformation, which has two popular processes:
Open Hot Forging Closed Die Forging Open Forging Drop Forging, is also called free forging. In open Hot Forging Closed Die Forging Open Forging Drop Forging, the billet is placed between multiple dies that do not enclose the metal entirely. The dimensions will be changed by hammering and stamping the metal through a series of movement until the final dimensions are achieved. Open Hot Forging Closed Die Forging Open Forging Drop Forging is widely used for the products in small quantity that are simple, rather than complex, such as discs, rings, sleeves, cylinders and shafts. Another benefit of open Hot Forging Closed Die Forging Open Forging Drop Forging is that the fatigue resistance and strength of products will be improved. Besides, voids could be effectively reduced after open Hot Forging Closed Die Forging Open Forging Drop Forging.
Closed Hot Forging Closed Die Forging Open Forging Drop Forging, is also referred to as impression Hot Forging Closed Die Forging Open Forging Drop Forging. It utilizes high pressure to compress the metal piece to fill an enclosed die impression for required shapes. For some special shapes, second forging operation is required to reach final shapes and dimensions. The type of material, tightness of tolerances, and need for heat treatment can determine the cost of a closed die forged part.
2.Differences between Open Hot Forging Closed Die Forging Open Forging Drop Forging and Closed Hot Forging Closed Die Forging Open Forging Drop Forging
The technique of both open Youlin® Hot Forging Closed Die Forging Open Forging Drop Forging and closed Hot Forging Closed Die Forging Open Forging Drop Forging is different. In general, for closed Hot Forging Closed Die Forging Open Forging Drop Forging, the molding dies are first precision machined and cost is high. The metal bars are then placed on between upper and lower dies and forged to any shapes needed. After closed Hot Forging Closed Die Forging Open Forging Drop Forging very less or no machining will be operated due to its high accuracy throughout the process. So closed Hot Forging Closed Die Forging Open Forging Drop Forging is also a net shape or near net shape process.
For open Hot Forging Closed Die Forging Open Forging Drop Forging, enormous compressive forces are imposed by the continuous strike of a forging hammer to deform the metal billets. Unlike closed Hot Forging Closed Die Forging Open Forging Drop Forging, dies of open Hot Forging Closed Die Forging Open Forging Drop Forging is very simple. And secondly machining operation is always carried out.
3.Advantages & Disadvantages of Open Hot Forging Closed Die Forging Open Forging Drop Forging and Closed Hot Forging Closed Die Forging Open Forging Drop Forging
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Open Hot Forging Closed Die Forging Open Forging Drop Forging |
Closed Hot Forging Closed Die Forging Open Forging Drop Forging |
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Advantages |
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Better fatigue resistance and improved microstructure |
Economic for large production runs. |
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The internal grain structure formation increases the tightness and strength of the products. |
The internal grain structure formation increases the tightness and strength of the products. |
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Increased strength and longer part life |
No material limitation |
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Less material waste |
Better surface finish |
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Reduced chance of voids |
Less or no machining required for its close tolerances |
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Valuable cost savings |
Dimensions of tighter tolerances and net shapes can be achieved |
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Disadvantages |
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It is not capable of forming close tolerance and higher precision parts |
It is not very economical for short runs due to the high cost of die production |
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Machining is often required to achieve desired dimensions |
Closed Hot Forging Closed Die Forging Open Forging Drop Forging presents a dangerous working environment |
1.Definition of Hot Forging Closed Die Forging Open Forging Drop Forging
Closed Hot Forging Closed Die Forging Open Forging Drop Forging and open die casting are the most common used forging methods for steel parts. Forging is popular because of its improved internal grain structure and can produce stronger and tougher products.
In Open Hot Forging Closed Die Forging Open Forging Drop Forging, a rough or precision machining is normally further required after the open Hot Forging Closed Die Forging Open Forging Drop Forging process as imprecise dimensions are achieved by hammering. Thus, open Hot Forging Closed Die Forging Open Forging Drop Forging is more suitable for large parts in a number of tons. Generally, the products in forging method include forged long shafts, forged rollers, and forged cylinders, which are mostly used for the application of railway and aircraft industry.
However, closed Hot Forging Closed Die Forging Open Forging Drop Forging is preferred for small critical parts with safety consideration because of its high precision. It is highly used to produce small products like forged fittings, forged lifting & rigging hardware, forged automotive parts, etc. Oilfield, automotive, forestry & agriculture, and mining are some of the industries that rely on closed Hot Forging Closed Die Forging Open Forging Drop Forging technique.
5. FAQ
Which is the disadvantage of open Hot Forging Closed Die Forging Open Forging Drop Forging?
A: Open-Hot Forging Closed Die Forging Open Forging Drop Forging is not recommended for complex shapes, and often requires precision machining to complete the process since the dimensions produced by hammering during the open die process can be imprecise.
Q: What can be made from open Hot Forging Closed Die Forging Open Forging Drop Forging?
A: The process of open Hot Forging Closed Die Forging Open Forging Drop Forging typically produces round, rectangular, square, and hexagonal bars, beams, as well as other basic shapes. Common products formed include hubs, spindles, step shafts, mandrel, metal shells, pierced blanks, and simple pancakes forgings.
Q: What are the limitations of open Hot Forging Closed Die Forging Open Forging Drop Forging?
A: ▷ Not suitable for forming intricate, precision parts or other close-tolerance applications.
▷ Machining is often required to complete open-Hot Forging Closed Die Forging Open Forging Drop Forgings.
▷ Process doesn't always produce consistent results or desired features.