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Classification of steel for automobile
2020-01-18
The core of the automobile manufacturing industry lies in safety and environmental-friendly. The main requirements are high strength and lightweight. Under such circumstances, advanced high-strength s...
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Sendzimir 20- high mill
2020-01-17
The main difference between Sendzimir 20-high mills and other 4-bar mills is the different transmission directions of rolling forces. The rolling force of Sendzimir is transmitted from worki...
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The controlling point during cold rolling process
2020-01-16
Control during the whole Control during the whole cold rolling process includes 3 points: thickness control, flatness control and speed control. 3.1 Thickness Control Rolling mills are the m...
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Knowledge of cold rolling technique
2020-01-14
Features of cold rolling techniques (1)Different levels of processing hardening during rolling; (2)Necessary cooling technique and lubrication; (3)Tension rolling leading to rolling transformation. Th...
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Knowledge about Cold Rolled Steel
2020-01-10
1. COMMON USES FOR COLD ROLLED STEEL Steel, a variant of iron with carbon added, often has other elements added to it in order to prepare it for processing and industrial use. Cold rolling, a pop...
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The lubrication of cold rolled techniques
2020-01-09
The purpose of lubrication of cold rolling technique is to control the shape and the surface quality. Lubrication effect of cold rolling technique (%) Decrease of frictional coefficient 10-30 Decrease...
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Cold rolling technique principles
2020-01-04
1. During the first several rolling passes, fully considering the formability of material and yielding rates to roll as much as possible; 2. Rolling reduction rate of the last process will be controll...
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The effect of rollers on steel strips quality
2020-01-04
The reasons which cause roll banding: High partial rolling reduction, broken strips scraps and bending strips being into rolling mills can cause roll banding. The requirements on the material of cold ...
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Control on shape of ultrathin cold rolling strips
2020-01-03
Ultrathin cold rolling strips are of high value while requiring strict production control. There are many shape issues affecting the product quality. Below are some factors that cause the shape defect...
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