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Industry Technology

cold rolling work rolls, final quenching, heat treatment

Common defects in final quenching heat treatment of cold rolling work rolls

1. The reasons for low hardness after quenching are: (1) Low quenching temperature (2) The quenching water pressure is low, the water volume is

Cooling issues in the use of high-speed steel rolls

The thermal expansion of high-speed steel rolls is large, and the poor temperature distribution of the rolls can easily cause uneven thermal expansion and abnormal

Roll material and heat treatment process

The life of the roll mainly depends on the intrinsic performance and working force of the roll. The intrinsic performance includes strength and hardness. To

Research on the Application Technology of High Speed Steel Rolls

High-speed steel rolls are high-carbon high-alloy steels containing a large amount of tungsten, molybdenum, chromium, vanadium and other elements in the working layer. They have

Industry Knowledge

Surface damage of roll hot rolling

March 2, 2023 No Comments

The roll is a production tool for plastic deformation of the metal. It is subject to a complex stress state during production, and it is

What types of cast iron rolls are there?

December 27, 2022 No Comments

1) alloy chilled cast iron roll Alloy chilled cast iron rolls use the supercooling degree of molten iron itself and the method of chilling the

Graphite steel roll

December 19, 2022 No Comments

Graphite steel roll is based on the material of semi-steel roll, by controlling the content and corresponding proportion of graphitization elements and carbide forming elements,

Backup Roll

December 12, 2022 No Comments

The essence of the backup roll is to support the work roll, and the work roll can reduce the diameter of the work roll and

Industry News

Cast high-speed steel rolls: a major achievement in the development of rolls in the world

August 24, 2023 No Comments

At the end of the 20th century, the rise of cast high-speed steel rolls became a major event in the history of roll development in

Baking steel and rolling mills: small technical changes can also create big benefits

November 22, 2022 No Comments

In corporate innovation activities, small reforms and small reforms are more and more widely used. Through practice, it is found that small reforms and small