PLC control optimization strategy of cold rolling recoil inspection unit

2022-03-24

The cold-rolled re-coil inspection unit is an intermediate process of the cold-rolled production line. Its main function is to cut the large coil into smaller outer diameter coils and inspect the surface quality of the coils. I...

Answers to questions arising in the production of six-high reversing mills

2022-03-24

1. How to control the rolling force? The rolling force is large, the shape of the plate is difficult to control, the temperature of the roll is uneven, and the bearing capacity of the roll is reduced. Newly replaced work roll...

Coil Control Analysis of Hot Rolled Strip

2022-03-24

　　Abstract: The coil shape of hot-rolled strip is an important factor affecting the quality of strip. Aiming at the coil shape problem in the hot-rolled strip coiling process, this paper analyzes and studies various coil sh...

Pickling unit disc shear adjustment process

2022-03-23

一、Features of disc cutter A certain shearing process is used to cut the edge of the strip to eliminate the edge defects of the hot-rolled steel strip, obtain high-quality products, and provide good raw materials for the subse...

Production practice of improving bar cut-to-length

2022-03-23

　　Abstract: This paper introduces the production practice of improving the sizing rate of the bar production line of Pangang Metal Products Co., Ltd., through the control of the oxidation burning loss of the heating furnace...

Rolling table failure analysis and its solutions

2022-03-23

　　The conveying roller table is the equipment with a large number of steel rolling production lines, and it is also the equipment with many failures. Due to the continuity of rolling production, any roller table in the roll...

Introduction to steel rolling production process, bar and wire technology (71)

2022-03-23

1. Process flow of bar production lineBillet acceptance → heating → rolling → double-length shearing → cooling → shearing → inspection → packaging → measurement → storage (1), bill...

Optimization of oil and gas lubrication system of rolling mill, rolling mill technology (187)

2022-03-23

Abstract: In view of the deficiencies in the design of the oil and gas lubrication system of the rolling mill, the system pressure loss is large, the equipment lubrication is prone to failure, and the oil consumption is high. T...

The main factors affecting rolling - 1, cold rolling technology (124)

2022-03-23

一、Biting of the rolling stock 1. Biting conditions In order to realize the rolling process, the rolling piece must be bitten into the roll first, and then the metal can fill the gap of the roll for rolling. Practice has prove...

The main factors affecting rolling - 2, cold rolling technology (125)

2022-03-23

Plate control The modern cold rolling mill is equipped with a shape meter, which connects the hydraulic bending rolls, rolling force, coolant and tension through a microcomputer to form a closed loop, and realizes the automat...

Assembly and Maintenance of Length Shears in Round Steel Production Line

2022-03-23

Abstract: This paper introduces the production situation of the second bar operation in the No. 2 Steel Rolling Plant. Since the production line has been put into operation, it has mainly produced various types of round steel p...

Analysis and Treatment of Rolling Defects of Round Steel

2022-03-23

1 Introduction The round steel has strict requirements on the surface and cannot have any defects, and the surface quality control is difficult, which has always been the bottleneck of round steel production. This paper takes...