| Customization: | Available |
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| Processing Object: | Metal |
| Molding Style: | Forging |
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Botou Casting Machinery Factory, the illustrious predecessor of Cangzhou Metallic Crafts Co., Ltd, is perfectly positioned in the renowned casting & forging industrial hub of Botou, Hebei Province, China. Just 200 km from Beijing, our factory boasts a rich legacy of over 30 years in the bespoke forging industry. As an esteemed traditional forging manufacturer, we not only assimilate and adapt the best industry practices but are also committed to pioneering innovative techniques and cutting-edge machinery. We are dedicated to continuously evolving and enhancing our capabilities to exceed the ever-changing demands of the market, ensuring exceptional satisfaction for our valued clients.
Forging is a time-honored craft, one of the most ancient metalworking techniques, yet remains unsurpassed in its effectiveness. At its essence, forging involves skillfully shaping raw metal while it stays solid, employing methods such as hammering, rolling, or pressing. Each forging style, each with unique benefits, generally involves elevating the metal's temperature significantly to facilitate these transformative processes.
When compared to casting and other metalworking methods, forging stands out for producing parts with superior physical attributes, notably exceptional tensile strength, all at a competitive cost. These advantageous qualities arise from the alteration of the metal's grain structure. Being untouched by melting, the metal's grain is influenced by the applied forces, aligning with the finished product's form and resulting in components that surpass machined or casted alternatives in strength.
CMC Forge opens the door to these forging benefits for clients from diverse sectors, providing a comprehensive suite of expert forging services tailored to a vast array of applications.
THE FORGING PROCESS
Within the umbrella of forging processes, there are numerous specialized methods, each with distinct steps. However, many follow a common procedural framework.
Forging, a pivotal process in metal forming, presents two primary approaches: hot forging and cold forging. Each method, while distinct in its execution, culminates in the creation of robust and precise metal components.
Hot forging is a dynamic process that requires heating metal beyond its recrystallization threshold, often reaching temperatures as high as 2,300 degrees Fahrenheit. The primary advantage lies in the reduced energy expenditure necessary to mold the metal, as the intense heat significantly diminishes yield strength while enhancing ductility. Additionally, this method effectively eradicates chemical inconsistencies, ensuring superior product integrity.
Cold forging, on the other hand, is the art of shaping metal at or near room temperature, with the potential to work below recrystallization levels. While certain metals, like high-carbon steel, may resist cold forging due to their inherent strength, this method excels in delivering exceptional dimensional accuracy, uniformity, and a pristine surface finish, all while minimizing contamination risks. Cold forging techniques are diverse, spanning bending, extruding, cold drawing, and cold heading. However, this versatility demands more robust machinery and may necessitate periodic intermediate anneals, increasing production complexity.
ADVANTAGES
At Botou Casting Machinery Processing Co., Ltd, we are dedicated to delivering exceptional quality in hot forging parts and components that cater to a diverse spectrum of industries. Our expertise supports sectors such as automotive, food and dairy, machinery, medical, plumbing, irrigation, mining, petrochemicals, electrical, energy, aerospace, and submarine, among many others.
Hot forging stands out as a premier metal manufacturing process, offering superior strength in parts and components compared to alternative methods. We specialize in crafting hot forging components ranging from a few grams to several hundred kilograms. For those requiring specialized surface finishes, we offer an extensive array of secondary operations, including precision machining and surface enhancements.
Hot forging involves heating metal beyond its recrystallization threshold, which significantly reduces the flow stress and energy necessary for forming. This increased rate of production ensures the metal is more malleable and less susceptible to fracturing, facilitating easier shaping.
The hot forging of iron and its alloys is preferred due to two key factors: #1) Hard materials like steel and iron become challenging to manage as work hardening advances, and #2) Hot forging presents an economical approach by allowing metals such as steel to undergo subsequent heat treatments, enhancing their strength without relying solely on cold working methods.
Typical hot forging temperatures are as follows: Aluminum (Al) Alloys - 360°C (680°F) to 520°C (968°F); Copper (Cu) Alloys - 700°C (1,292°F) to 800°C (1,472°F); Steel - up to 1,150°C (2,102°F).
In hot forging, metal is heated above its recrystallization point, ensuring it remains pliable and resistant to strain hardening. This process involves heating the metal and forming it within a mold that can also be preheated. The malleability of the hot metal allows for the creation of intricate shapes that would be challenging with cold forging.
For superalloys with reduced malleability, isothermal forging, also known as hot forging, is employed. This method maintains the workpiece at optimal temperature within a controlled environment to mitigate oxidation, ensuring precision and quality.
To sustain the necessary temperature, molds are heated to levels matching or slightly lower than the workpiece. This setup ensures continuous temperature control, enhancing the metal's flow properties by eliminating cooling at mold interfaces.
| 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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