Customization: | Available |
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Processing Object: | Metal |
Molding Style: | Forging |
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Nestled in the heart of Botou, the illustrious casting and forging industrial town in Hebei province, Botou Casting Machinery Factory-a proud predecessor of Cangzhou Metallic Crafts Co., Ltd-stands as a beacon of expertise just 200km from the bustling capital of Beijing. With a legacy spanning over three decades in the custom forging industry, our factory has evolved as a stalwart of tradition and innovation. As a revered forging manufacturer, we diligently blend the wisdom of industry experience with the finesse of cutting-edge techniques and machinery, constantly striving to elevate our offerings. With an unwavering commitment to market demands, we are dedicated to continuous development and improvement, ensuring our products meet and exceed expectations.
Forging, an ancient yet enduringly effective metalworking technique, continues to stand the test of time with its unparalleled efficacy. At the essence of forging lies the art of shaping raw metal without allowing it to melt completely. Keeping the metal in its solid form, operators skillfully employ an array of methods such as hammering, rolling, or pressing to mold the material. While numerous variations of forging exist, each boasting unique advantages, the majority entail heating the workpiece to elevated temperatures to enable these transformative processes.
When stacked against casting and other metalworking techniques, forging emerges as a front-runner, offering superior physical attributes, notably an exceptional degree of tensile strength, all at a compelling cost. These advantageous properties spring from the transformation of the metal's grain structure. As the material remains unmelted, the forces of percussion or compression during forging compel the grain to align with the flow of the finished product, resulting in components of extraordinary strength surpassing those produced through machining or casting.
CMC Forge empowers clients across diverse industries by making these forging benefits readily accessible, providing an extensive suite of expert forging services tailored to meet the vast array of application demands.
THE INTRICACIES OF THE FORGING PROCESS
The broad discipline of forging encompasses various subtypes, each influencing the precise steps involved in forming a product. Most procedures, however, adhere to a broadly similar sequence.
Forging is an ancient art that has evolved into two main types: hot forging and cold forging. These dynamic metal forming processes both aim at achieving superb results, yet each employs a unique approach to shaping metals.
Hot forging is an intense process where metals are heated to temperatures soaring up to 2,300 degrees Fahrenheit, past their recrystallization point. This method is celebrated for its efficiency, as the high temperatures significantly reduce the energy required to mold the metal. By lowering yield strength and enhancing ductility, hot forging allows for seamless shaping. Additionally, it effectively eliminates chemical inconsistencies, ensuring high-quality products.
Cold forging, on the other hand, is performed at room temperature or below the recrystallization threshold. While stronger metals like high-carbon steel might challenge this method, cold forging excels in providing exceptional dimensional precision, uniformity, superior surface finish, and minimal contamination. This process includes bending, extruding, cold drawing, and cold heading. However, achieving such versatility and precision often demands more powerful equipment and the use of intermediate anneals.
ADVANTAGES
Discover the unparalleled craftsmanship of our superior quality hot forging parts and components, meticulously designed to meet the demands of a diverse array of industries. Whether you're in automotive, food dairy, machinery, medical, plumbing, watering, mining, petrochemical, electrical, energy, aerospace, or even submarine applications, our hot forging solutions promise exceptional performance and reliability.
Renowned for its ability to create some of the most robust manufactured parts, hot forging stands out among metal manufacturing processes. We specialize in producing hot forging parts and components that range from a few grams to several hundred kilograms. To cater to special surface finish requirements, we offer an extensive selection of secondary operations, including precision machining and surface finishing.
In the world of metallurgy, hot forging is a process where metal is heated above its recrystallization temperature. This technique reduces the flow stress and energy needed to shape the metal, increasing production rates. By making the metal more malleable, hot forging minimizes the risk of fractures, ensuring a smoother shaping process.
Iron and its alloys are predominantly hot forged for two primary reasons: #1) As work hardening occurs, hard materials like steel and iron become increasingly difficult to manipulate, and #2) Hot forging offers a cost-effective route for strengthening metals such as steel, which can later undergo heat treatment processes for enhanced robustness, beyond just cold working methods.
Typical hot forging temperatures span various metals: Aluminum (Al) Alloys range from 360° (680°F) to 520°C (968°F); Copper (Cu) Alloys range from 700°C (1 292°F) to 800°C (1 472°F); and Steel can reach temperatures as high as 1 150°C (2 102°F).
In the hot forging process, metals are heated beyond their recrystallization points. This crucial step prevents strain hardening during deformation by plastically altering the metal at elevated temperatures. Typically, the metal is heated and then pressed into a mold, which may also be heated, allowing for the creation of more intricate shapes compared to cold forging.
For superalloys with low malleability, isothermal forging, a process conducted in a controlled atmosphere, is employed to prevent oxidation. Isothermal forging, another name for hot forging, maintains the workpiece at its optimal temperature throughout forming.
Maintaining a consistent temperature is achieved by heating the mold to match or closely approximate the workpiece's temperature. This technique eliminates cooling at the mold's interface, thus enhancing the metal's flow properties during the forming process.
Material | Characteristics | Application |
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Stainless Steel | Corrosion-resistant |
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Low Carbon and Low Alloy Steel | Easily processed Good mechanical properties Low material cost |
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HSLA/Microalloy Steel | Good mechanical properties Low material cost Simple thermomechanical treatment |
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Aluminum | Good strength-to-weight ratio Readily forged |
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Aluminum A356.0 | Good strength-to-weight ratio Readily forged |
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Nickel-Base Superalloy | Oxidation resistance Creep-rupture strength |
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Titanium | High strength Low density Excellent corrosion resistance |
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