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...

Disc Shear Shear Quality Analysis and Adjustment Procedures, Hot Rolling Technology (87)

2022-03-23

一、 Shear deformation process Shear deformation includes the elastic deformation, plastic deformation, crack propagation, material fracture and other processes of the steel plate. In the elastic deformation stage, the upp...

Disc Shears Explained, Rolling Technology (51)

2022-03-23

1. Process principle Function: Use two pairs of rotating blades to cut off the edge of the steel strip to determine the predetermined width of the strip. Trimming width: ≥5mm (each side), ≤40mm (each side); Trimming...

Analysis and optimization of high pressure water descaling system for medium and heavy plate mill

2022-03-23

1 Introduction According to the principle of metal heating, when the billet, slab, etc. are heated in the heating furnace, oxidation will occur, and a thick iron oxide scale will be formed, which will adhere to the surface of...

Assembler test question - 1, rolling technology (61)

2022-03-23

一、Multiple choice questions 1. One of the processes to ensure assembly accuracy is (A). A, adjustment assembly method B, gap assembly method C, interference assembly method D, transition assembly method 2. General assembl...