| Customization: | Available |
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| Processing Object: | Metal |
| Molding Style: | Forging |
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Nestled in the heart of China's renowned casting and forging industrial town, Botou Casting Machinery Factory is a legacy of excellence, evolving from the esteemed Cangzhou Metallic Crafts Co., Ltd. With a strategic location just 200km from Beijing, we have been a stalwart in the custom forging industry for over three decades. As a traditional yet innovative manufacturer, we meticulously blend time-honored expertise with cutting-edge techniques and state-of-the-art machinery. Our unwavering commitment to progress and adaptation ensures that we meet and exceed the ever-evolving demands of the market, delighting our clients with superior, bespoke forging solutions.
Forging, an ancient yet supremely effective method of metalworking, continues to hold its ground as one of the most reliable techniques even today. At its essence, forging is about molding raw metal without reaching the melting point. The metal stays solid as skilled operators employ a blend of techniques such as hammering, rolling, or pressing. Although diverse forms of forging bring unique benefits, a common thread among them is the application of high heat to the workpiece, facilitating its transformation.
When stacked against casting or other metalworking processes, forging stands out for delivering exceptional physical attributes, notably its superior tensile strength, all while being cost-effective. These remarkable traits arise from the changes in the metal's grain structure. Since the metal is never melted, the exerted percussive or compressive forces during forging align the grain to mirror the contours of the final product. Consequently, this approach results in components with significantly enhanced strength compared to machined or casted alternatives.
CMC Forge proudly extends these forging advantages to a broad spectrum of industries, providing a comprehensive array of expert forging services tailored to diverse application requirements.
THE FORGING PROCESS
The overarching forging process encompasses various subtypes, and while the specific steps to form a product can differ, most procedures adhere to a general framework.
The art of forging metal into desired shapes has two primary methods - hot forging and cold forging. Though these processes differ in technique, they share the common goal of transforming raw metal into precision-engineered components.
Hot forging is a process that involves heating metal beyond its recrystallization temperature, often reaching up to a blazing 2,300 degrees Fahrenheit. This intense heat drastically reduces the energy needed to shape the metal, as it lowers its yield strength and enhances ductility. Additionally, hot forging effectively eradicates chemical inconsistencies, resulting in superior, uniform end products.
Cold forging is the technique of manipulating metal at room temperature or below its recrystallization point. While metals with high carbon content, like certain steels, pose challenges for cold forging due to their strength, this method excels in providing unparalleled precision in dimensional control, product uniformity, and surface finish. The process involves various techniques like bending, extruding, and cold drawing, but it demands more robust equipment and may require intermediate annealing due to its complexity.
ADVANTAGES
Our company, Botou Casting Machinery Processing Co., Ltd, proudly offers superior quality hot forging parts and components, catering to a diverse spectrum of industries. Whether it's automotive, food dairy, machinery, medical, plumbing, watering, mining, petrochemical, electrical, energy, aerospace, or submarines, our hot forged products meet the exacting standards and needs of each sector.
Recognized as a premier method in metal manufacturing, hot forging stands out by producing exceptionally strong parts and components. At Botou Casting Machinery Processing Co., Ltd, we excel in crafting hot forging parts ranging from just a few grams to several hundred kilograms. For those demanding unique surface finishes, our comprehensive suite of secondary operations such as precision machining and advanced surface finishing ensure a tailored solution for every requirement.
Hot forging involves the transformation of metal when heated above its recrystallization temperature. This process significantly reduces the flow stress and energy needed for shaping, thereby accelerating production rates (or strain rate). By softening the metal, hot forging not only facilitates easier shaping but also minimizes the risk of fractures, ensuring robust and reliable components.
Iron and its alloys are predominantly hot forged, and here's why: #1) As work hardening advances, materials like steel and iron become increasingly challenging to handle, and #2) Hot forging offers a more cost-effective approach. Metals such as steel can be enhanced through heat treatments, offering strengthening alternatives beyond cold working methods, making it the prudent choice for quality and economy.
Typical hot forging temperatures span across different metals: 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). This controlled heating ensures optimal forging conditions for precise and durable outcomes.
The hot forging process elevates the metal temperature above its recrystallization threshold, crucial for avoiding strain hardening during deformation. This entails heating the metal to these high temperatures before molding it into a pre-heated die. The heat makes the metal pliable, allowing manufacturers to achieve more intricate designs compared to cold forging.
For superalloys with inherent low malleability, techniques like isothermal forging are pivotal. Conducted in a regulated atmosphere, isothermal or hot forging maintains the workpiece at peak temperatures throughout the shaping process, safeguarding against oxidation and ensuring material integrity.
The maintenance of high temperature is achieved by heating the mold to levels slightly below or equal to the workpiece. This action prevents the workpiece from cooling at the mold interface, thereby enhancing the metal's workability and flow characteristics, leading to superior material properties.
| 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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