| Customization: | Available |
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| Processing Object: | Metal |
| Molding Style: | Forging |
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Nestled in the heart of the casting and forging industry hub, Botou Casting Machinery Factory, the precursor to the esteemed Cangzhou Metallic Crafts Co., Ltd, stands proudly in Botou, Hebei province, China - a mere 200km from the bustling city of Beijing. With an illustrious history spanning over 30 years in the custom forging sector, our factory is a beacon of tradition and innovation. At Botou Casting Machinery Factory, we don't just embrace the tried-and-tested experiences of the past, but we also fervently adopt cutting-edge techniques and state-of-the-art machinery. Our commitment to development and enhancement is unwavering, ensuring we continually meet and exceed the dynamic demands of the market.
Forging, an ancient yet remarkably effective metalworking technique, continues to stand the test of time. At its essence, forging involves shaping raw metal while maintaining its solid state, avoiding the full melting of the material. Skilled craftsmen use various forming techniques-such as hammering, rolling, or pressing-to manipulate the metal. While there are numerous forging variations, each boasting unique benefits, the core principle remains: heating the metal workpiece to high temperatures in order to facilitate shaping.
Forging is unmatched when compared to casting or other metalworking methods, offering superior physical characteristics, notably exceptional tensile strength, all at a competitive price. This superiority is largely due to alterations in the metal's grain structure. By avoiding full melting, forging applies percussive or compressive forces that guide the grain to align with the shape of the final product. This process produces components significantly stronger than those created through machining or casting.
CMC Forge is dedicated to making these forging advantages accessible across diverse industries. We offer an extensive array of expert forging services tailored to meet the demands of a wide variety of applications.
THE FORGING PROCESS
The forging process encompasses many subtypes, each with specific steps that may vary. Despite these variations, most procedures adhere to a similar foundational outline.
In the realm of metal forming, two predominant methods stand out - hot forging and cold forging. These processes, while distinct in their execution, remarkably converge to deliver results that meet similar ends in terms of product quality and application.
Hot forging involves heating metal to temperatures soaring above its recrystallization point, sometimes reaching a staggering 2,300 degrees Fahrenheit. This method is celebrated for its reduction in the energy needed to shape the metal, thanks to the intense heat, which diminishes yield strength and enhances ductility. Furthermore, hot forging eradicates chemical inconsistencies, resulting in superior product quality.
In contrast, cold forging is performed at room temperature or any point below the metal's recrystallization temperature. Some metals, notably high-carbon steel, boast a strength that makes cold forging impractical. Yet, cold forging takes the lead in terms of dimensional precision, uniformity, surface finish, and minimizing contamination. It encompasses a variety of techniques such as bending, extruding, cold drawing, and cold heading. However, its broader application range necessitates more robust equipment and potentially intermediate anneals, contributing to higher operational costs.
ADVANTAGES
Our commitment to excellence shines through with our premium quality hot forging parts and components. Catering to a diverse array of industries such as automotive, food dairy, machinery, medical, plumbing, mining, petrochemical, electrical, energy, aerospace, and submarine, we ensure top-notch performance and reliability for every sector.
Hot forging has earned its reputation for producing some of the most robust manufactured parts and components, setting a benchmark against other metal manufacturing techniques. Our capabilities encompass the creation of precision hot forging parts ranging from just a few grams to several hundred kilograms. For those requiring special surface finishes, we offer an extensive suite of secondary operations, including cutting-edge machining and surface finishing services, tailored to perfection.
Hot forging involves heating the metal beyond its recrystallization temperature, thereby reducing the flow stress and energy needed for metal formation. This technique enhances the ease of shaping metals and minimizes the risk of fractures, accelerating production efficiency and ensuring superior quality outcomes.
Iron and its alloys are predominantly hot forged due to two principal reasons: Firstly, as work hardening progresses, materials like steel and iron become increasingly challenging to manipulate. Secondly, hot forging these materials offers a cost-effective alternative, allowing for subsequent heat treatment, which further enhances their strength through diverse processes beyond mere cold working.
Typical hot forging temperatures include: Aluminum (Al) Alloys - 360° (680°F) to 520°C (968°F); Copper (Cu) Alloys - 700°C (1,292°F) to 800°C (1,472°F); Steel - reaching up to 1,150°C (2,102°F).
In the hot forging process, metal is heated above its recrystallization temperature to prevent strain hardening during deformation. This involves heating the metal and comminuting it into a mold, which can also be heated as necessary. The high temperatures allow the metal to be easily 'moved,' enabling manufacturers to create intricate designs unattainable through cold forging.
For superalloys, characterized by their low malleability, isothermal forging (conducted in a controlled atmosphere) is employed to prevent oxidation. This specialized form of hot forging maintains the workpiece at peak temperature throughout the process, ensuring impeccable quality.
Keeping the mold at a high or slightly lower temperature than the workpiece is paramount. This eliminates premature cooling at the mold-workpiece interface, thereby enhancing the metal's flow properties and ensuring seamless manufacturing of parts.
| 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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