Process improvement of pinch roll in high speed bar production line

2023-09-01

Abstract: High speed bar products are generally used in the cooling bed after the segment of the first pinch and then brake. The finished products will produce pinch marks on the surface after the pinch roll, which will affect ...

Practice of accelerated rolling in ultra-thin tropical production

2023-08-12

For ultra-thin specification products, the thinner the thickness, the greater the temperature drop during rolling. Increasing the speed of rolling is one of the effective methods to ensure reasonable final rolling temperature a...

Improvement of cracking of hot rolled strip steel

2023-08-01

The production process of hot rolled strip steel: Liquid iron pretreatmentA top and bottom double-blown converter a deoxidation alloying a blown argon a slab continuous casta casting billet testa heating a roughing high-pre...

Fault analysis of automatic baler for high line

2023-07-24

Abstract This paper mainly introduces the structure, working process and the problems existing in the actual production process of the high line automatic baler and their solutions. keyword High line rolling mill, a...

Main defects and analysis of strip steel rolling, hot rolling technology

2023-07-21

The main defects caused by rolling strip steel on a tropical mill are as follows:   (1) Scar. The cracks and cracks were not completely removed when the slab was cleaned, resulting in scarring during rolling. Slabs...

Finishing area process technology operating rules, rod line technology

2023-07-05

1. Cold bed   1.1. effect   After rolling, the double ruler is accelerated, braked, and sent to the cold bed for cooling and grouping to ensure that the double ruler on the cold bed is straight and one...