Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Six-roller five-rack cold continuous rolling one-time cold rolling process for common oriented silicon steel

A five-stand cold rolling, oriented silicon steel technology, applied in the direction of manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of reducing magnetism, reducing eddy current loss, increasing resistivity, etc., to prevent the reduction of product magnetization Effect

Active Publication Date: 2021-05-04
ANYANG IRON & STEEL +1
View PDF10 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] 4. Si: Si has no inhibitory effect, but the addition of silicon can significantly increase the resistivity of steel, reduce eddy current loss, and increase magnetic permeability
[0013] 7. Ti: TiC and TiN can be used as inhibitors, but too much titanium will reduce the amount of AlN precipitation and reduce the magnetic properties.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044]In this embodiment, the six-high five-stand continuous cold rolling process of ordinary oriented silicon steel is completed in the combined unit of pickling and rolling mills. Hot rolled raw coil: C: 0.039wt%; Si: 3.15wt%; Mn: 0.18wt%; P: 0.021wt%; S: 0.008wt%; Als: 0.015wt%; N: 0.009wt%; wt%; Ti: 0.012wt%, the rest is Fe and unavoidable impurities; the thickness of the hot-rolled raw material is 2.3mm; after one cold-rolling is completed, the post-process is carried out according to the routine, and the performance of the finished product can meet the standard.

Embodiment 2

[0046] In this embodiment, the six-high five-stand continuous cold rolling process of ordinary oriented silicon steel is completed in the combined unit of pickling and rolling mills. Hot rolled raw coil: C: 0.035wt%; Si: 3.23wt%; Mn: 0.20wt%; P: 0.022wt%; S: 0.007wt%; Als: 0.017wt%; N: 0.011wt%; wt%; Ti: 0.009wt%, the rest is Fe and unavoidable impurities; the thickness of the hot-rolled raw material is 2.5mm; after one cold-rolling is completed, the post-process is carried out according to the routine, and the performance of the finished product can meet the standard.

[0047] The hot-rolled raw coils of cold-rolled ordinary oriented silicon steel are completed in the combined unit of pickling mill by six-roller five-stand cold tandem cold rolling once cold rolling process. The process flow of the pickling and rolling mill combined unit is: decoiling→head and tail cuttingwelding→tension leveling→pickling→edge trimming→deburring→rolling→shearing→coiling→weighing→baling→storag...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a six-roller five-rack cold continuous rolling one-time cold rolling process for common oriented silicon steel. According to the process, one-time cold rolling of the common oriented silicon steel can also be conducted in a pickling rolling mill combined unit, by means of the process, a hot rolling raw material coil is completed in the pickling rolling mill combined unit, and the hot rolling raw material coil comprises the following components of 0.025wt% to 0.045wt% of C; 3.00wt% to 3.30wt% of Si; 0.15wt% to 0.25wt% of Mn; less than or equal to 0.025wt% of P; 0.004wt% to 0.015wt% of S; 0.010wt% to 0.025wt% of Als; 0.0070wt% to 0.0115wt% of N; 0.45wt% to 0.55wt% of Cu; less than or equal to 0.020wt% of Ti; and the balance Fe and inevitable impurities. According to the process, a compatible function of the pickling rolling mill combined unit is fully exerted, raw materials do not need to be preheated through steam before being uncoiled on line, electromagnetic induction heating is not adopted before the materials enter a rolling mill, investment is saved, and the requirement for research, development and production of cold-rolled common oriented silicon steel is met; and due to continuous rolling, the production efficiency is improved, the yield is improved, and the cost is reduced.

Description

technical field [0001] The invention belongs to the rolling process technology of oriented silicon steel, in particular to a primary cold rolling process of six-roller five-stand cold continuous rolling of ordinary oriented silicon steel. Background technique [0002] Oriented silicon steel strip is a new type of functional magnetic material. Because of its high resistance, the electric energy consumed on the iron core is small during operation; because its magnetization has strong directionality, the magnetic field in the desired direction High sensitivity, high utilization rate of iron core, high operating efficiency, oriented silicon steel belt is the most critical and important iron core material in electromagnetic directional conversion products such as transformers and transformers. Grain-oriented silicon steel is mainly divided into ordinary grain-oriented silicon steel and high magnetic induction grain-oriented silicon steel. The production process of grain-oriented...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B21B1/28B21B15/00B21B37/48B21B37/58B21B37/74
CPCB21B1/28B21B15/00B21B37/48B21B37/58B21B37/74
Inventor 商存亮戚新军崔占利琚艳军张学成闫书伟李恒
Owner ANYANG IRON & STEEL
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products