There are many kinds of rolls. There are cast steel rolls, cast iron rolls and forged rolls. There are also a few cemented carbide rolls in profile rolling mill. Forming method, casting roll and forging roll; casting roll is the type of roll produced by directly pouring the molten steel or molten iron into the mode of production. Casting roll can be divided into cast steel roll and cast iron roll
Hot Roll is mainly cast iron roll and cast steel roll. Cast Iron Roll is divided into nodular cast iron, chilled cast iron, infinitely chilled cast iron, cast steel is divided into 70Mn, 70Mn2,70MN2MO, 75CrMo, 140CrNiMo, 160CrNiMo and other materials. The performance and quality of the roll depend on its chemical composition and manufacturing method, and the use effect of the roll in the mill is a
Roll is divided into cast iron roll, cast steel roll and forged steel roll according to material. The carbon content of cast iron roller is 2. 50 / 0 ~ 3.5% , according to the main materials can be divided into four categories: chilled cast iron rolls, infinitely chilled cast iron rolls, high chromium cast iron rolls and nodular cast iron rolls. The common structure of cast iron roll can be divide
With the development of metallurgical technology and the evolution of rolling equipment, the variety and manufacturing technology of roll are developing. In the Middle Ages, low strength gray cast iron rolls were used for rolling soft Non-ferrous metal. In the middle of the 18th century, England mastered the production technique of cold-setting cast iron rolls for rolling steel plates. The improve
The work roll of small 20-high mill only weighs about 100g, but the weight of the back-up roll of wide and heavy plate mill has exceeded 200t. According to the basic strength requirement of the rolling mill, the main material of safety bearing is selected, such as cast iron, cast steel or forged steel, etc. . Folding hardness and high speed finishing roll, rolling the final product to have
1. Pay Close attention to the contact between the grinding wheel and the surface of the workpiece. When the surface of the workpiece is just in contact with the grinding wheel, continuous hissing sound can be heard. The water traces on the surface of the workpiece can be carried away by the rotating grinding wheel. At the same time, a faint spark can be seen. Cooling liquid should choose a slightl
The roller grinder is a new type of metal cutting machine tool. In industry, especially in the factory where the lathe is the main part, we can see such a machine tool, which uses diamond wheel as a tool, cutting or polishing the outer circle of some Alloy Roller Rings. Operation Rules of Roll Grinder: 1. The operator should be familiar with the performance and structure of the machine,
Roll is an important component in steel rolling. The development and application of its material is also very important. In recent years, with the rapid development of automobile, household appliances, railway, bridge and construction industry in China, the rapid development of steel rolling industry has been promoted, it promotes the progress of rolling technology, the Working Environment of roll
In recent years, high-speed steel rolls, which have been used in more than 100 sets of Bar Mills at home and abroad, have been deeply loved by the Steel Rolling Industry for their good wear resistance and high product size accuracy, and have increased the enthusiasm of roll manufacturers in developing this new product, the invention not only promotes the technical progress of the roll manufacturin
The roll is the core part of the mill. The use of the roll involves the selection of the type of the mill, the preparation of the roll, the maintenance and periodic repair in the rolling process, these are all factors that affect the mill productivity, product quality and production economy. As the rolling process is a continuous process, the operator needs to constantly monitor the roll status to
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