1959 METAL FOUNDRY & FORMING PROCESS SHELL OIL INDUSTRIAL FILM 72242
PeriscopeFilm・10 minutes read
Metal forming processes, like hot and cold rolling, forging, and extrusion, are crucial in transforming metal ingots into various shapes by altering their internal structure, improving toughness, resistance, and strength. Lubrication plays a vital role in reducing friction, carrying away heat, and enhancing surface finish, particularly in rolling mills dealing with heavy loads.
Insights
- Metal forming processes like hot rolling and cold rolling play a crucial role in enhancing metal toughness, resistance to failure, hardness, and strength by altering internal structures and surface finishes.
- Lubrication is a vital component in metal forming processes, particularly in rolling mills, to reduce friction, dissipate heat, and improve surface finish, ensuring efficient shaping of metals while carrying heavy loads.
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Recent questions
What is metal forming?
Metal forming is a process that involves changing the shape of metal through methods like pressing, squeezing, or rolling based on its plasticity property.
What is hot rolling in metal production?
Hot rolling is a metal forming process that reduces ingots into slabs and strips, enhancing toughness and resistance to failure.
What is cold rolling in metal production?
Cold rolling is a metal forming process that enhances hardness and strength while reducing ductility using lubricants to reduce friction.
Why is lubrication important in metal forming processes?
Lubrication is vital in metal forming processes to reduce friction, carry away heat, and improve surface finish, especially in rolling mills where heavy loads are present.
What is forging in metal production?
Forging is a process that shapes metal parts by pressing metal between dies to enhance toughness and reduce the need for extensive machining.
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Summary
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Metal Forming Processes: Shaping Metal with Precision
- The world produces over 350 million tons of metal annually, with most undergoing metal forming processes like pressing, squeezing, or rolling to change shape based on the property of plasticity.
- Metal forming alters the internal structure of ingots, transitioning from long columnar crystals to a finer, more uniform structure during the process.
- Hot rolling is a crucial metal forming process, reducing 14-ton ingots into slabs and then strips through a series of mill stands, enhancing the metal's toughness and resistance to failure.
- Cold rolling follows hot rolling, utilizing lubricants to reduce friction, improve surface finish, and enhance the metal's hardness and strength while reducing ductility.
- Lubrication is vital in metal forming processes to reduce friction, carry away heat, and improve surface finish, especially in rolling mills where heavy loads are present.
- Forging remains essential for creating intricate or large metal parts, with drop forging reducing the need for extensive machining by shaping metal between dies to enhance toughness.
- Various metal forming processes like continuous forging, rotary forging, and extrusion are employed to create a wide array of metal products, from seamless tubes to wire, relying on the plasticity of metal to alter its shape under pressure.
