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What is a hot rolled thread?
It's a thread that's been formed by rolling the piece while hot between two dies.
What is a rolling mill?
In metalworking, rolling is a metal forming process in which metal stock is passed through a pair of rolls. Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is above its recrystallization temperature, then the process is termed as hot rolling. If the temperature of the metal is below its recrystallization temperature, the process is termed as cold rolling. In terms of usage, hot rolling processes more tonnage than any other manufacturing process and cold rolling processes the most tonnage out of all cold working processes
What is the process involved in making brass?
Brass is the combination of the metals copper and zinc. Its manufacturing process involves melting, hot rolling, annealing and cold rolling, and finish rolling.
Difference between hot working process cold working process?
Hot mechanical working operation on the missing piece we do. Mechanical operation of the work we do on a normal cold temperatures.
What is hot working of metals?
Hot working of metals is defined as a process of forming metals by deformation at temperature above the recrystallization temperature.
Does hot rolling create greater drafts or does cold rolling?
Yes hot rolling create greater draft than cold rolling . This is because during hot rolling the material is hot due to which it is soft thereby making it easy for more draft
What does hot-worked mean?
Hot-working refers to the process of shaping and forming materials, typically metals, at high temperatures above their recrystallization point. This technique allows for greater plasticity, making it easier to manipulate the material without cracking or breaking. Common methods of hot-working include forging, rolling, and extrusion. The result is often improved mechanical properties and refined grain structure.
What is the process called when metals are rolled into thin sheets like aluminum foil?
The process of rolling metals into sheets is called (no surprise) rolling. The metal is passed through a rolling mill and is reduced in size in steps. The metal might be hot rolled or cold rolled, and the choice of process depends on the metal and on what the finished product needs to be like. In the case of aluminum foil, a block of aluminum is first hot rolled, and the metal is passed through the rolling mill a number of times until it is thin enough to be rolled and moved to a cold rolling mill. In the cold rolling mill, it goes through a number of roller sets until the desired thickness is achieved.
What is mean by hot working and cold working?
When ur hot and ur working then it is hot working, if ur cold and ur working then it is cold working
What is mean of 'hi' in rolling mills?
In rolling mills, "hi" typically refers to the "hot intermediate" stage of the rolling process. This stage involves the initial heating of metal before it is shaped into desired forms through rolling. The term emphasizes that the material is still in a heated state to facilitate easier deformation and improve the final product's properties.
What is reason of web waviness in steel beams in hot rolling?
Web waviness in steel beams during hot rolling is primarily caused by uneven cooling and thermal gradients within the material. As the steel cools, differential contraction can lead to distortions, particularly in the web area, where the geometry is more susceptible to such stresses. Additionally, variations in rolling pressure and inconsistent material properties can exacerbate these deformations, resulting in waviness. Proper control of the rolling process and cooling rates can help minimize this phenomenon.
Who is better the Red Hot Chili peppers or the Rolling Stones?
definitely RED HOT CHILI PEPPERS!!!!
