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CN-122007153-A - Pattern plate rolling system and method based on CVC roll type optimization

CN122007153ACN 122007153 ACN122007153 ACN 122007153ACN-122007153-A

Abstract

The invention relates to a pattern plate rolling system and method based on CVC roller type optimization, which belong to the technical field of metal rolling and comprise a rough rolling unit, a finishing rolling unit and an industrial computer, wherein the rough rolling unit adopts a roller type system of a first CVC curve and is used for eliminating initial convexity of a casting blank, the finishing rolling unit adopts a roller type system of a second CVC curve and is used for enhancing plate shape fine adjustment capability, and the industrial computer is used for receiving target curve parameter input and calculating radius increment of each point of a roller surface so as to control the rough rolling unit and the finishing rolling unit to conduct profile grinding. The invention uses the CVC roll type optimized rolling system, can carry out fine adjustment in the whole rolling process, and provides more adaptability for diversified product requirements.

Inventors

  • SHANG ZHIYU
  • YAO LIJUN
  • CAI XUEHUI
  • WANG HAIBING
  • ZHANG KAILONG
  • WANG DONGKAI
  • WU XIAOJING

Assignees

  • 包头钢铁（集团）有限责任公司

Dates

Publication Date
20260512
Application Date
20260316

Claims (6)

  1. 1. A checkered plate rolling system based on CVC roll profile optimization, comprising: The rough rolling unit adopts a roller type system of a first CVC curve for eliminating initial convexity of a casting blank, wherein the first CVC curve is R 1 (x) = a 1 x + b 1 x² + c 1 x3, x is a grinding path point, R 1 (x) represents the radius increment of the x point in the rough rolling unit, and a 1 、b 1 and c 1 represent curve parameters; The finishing mill group adopts a roller type system with a second CVC curve for enhancing the fine adjustment capacity of the plate shape, wherein the second CVC curve is that R 2 (x) = a 2 x + b 2 x² + c 2 x³;R 2 (x) represents the radius increment of the x point in the finishing mill group; and the industrial computer is used for controlling the rough rolling unit and the finishing rolling unit to perform profiling grinding.
  2. 2. A checkered plate rolling system based on optimization of the CVC roll type according to claim 1 where a 1 ≠a 2 , |b 1 -b 2 |>0.5, |c 1 -c 2 |>1×10⁻ 6 .
  3. 3. A checkerboard rolling system based on optimization of the CVC roll profile according to claim 2 where the roughing train includes F1, F2, F3 and F4 rolling mills.
  4. 4. A checkerboard rolling system based on optimization of the CVC roll profile according to claim 3 where the finishing train includes F5, F6, F7 and F8 rolling mills.
  5. 5. A checkered plate rolling system based on optimization of CVC roll type according to claim 4 where all stand rolls have a working crown consistent with the crown of the F6 rolls with a range of values of 0.10mm, 0.15 mm.
  6. 6. A CVC roll type optimization-based checkered plate rolling method comprises the following steps: Inputting the target curve parameters into an industrial computer; Calculating radius increment of each point of a roll surface according to a first CVC curve of a rough rolling unit and a second CVC curve of a finishing rolling unit, wherein the first CVC curve is R 1 (x) = a 1 x + b 1 x² + c 1 x3, x is a grinding path point, R 1 (x) represents the radius increment of the x point in the rough rolling unit, a 1 、b 1 and c 1 represent curve parameters, and the second CVC curve is R 2 (x) = a 2 x + b 2 x² + c 2 x³;R 2 (x) represents the radius increment of the x point in the finishing rolling unit; and controlling the rough rolling unit and the finishing rolling unit to perform profiling grinding according to the calculated value.

Description

Pattern plate rolling system and method based on CVC roll type optimization Technical Field The invention relates to the technical field of metal rolling, in particular to a checkered plate rolling system and method based on CVC roll type optimization. Background The checkered plate is widely applied to a plurality of fields of construction, traffic, machinery and the like, and is used as a material with good anti-skid, decorative and wear-resistant properties, and the production quality and efficiency of the checkered plate directly influence the use effect and market competitiveness of the checkered plate. Conventional pattern plate rolling techniques typically employ hot or cold rolling processes to effect pattern formation through specific roll shapes and pressures. In the traditional roller grinding technology, the coefficients of the CVC roller type polynomials are fixed, and the special deformation requirements of the checkered plates cannot be adapted. Disclosure of Invention In order to solve the problems, the embodiment of the invention aims to provide a CVC roll type optimization-based checkered plate rolling system and a CVC roll type optimization-based checkered plate rolling method. A checkered plate rolling system based on CVC roll profile optimization, comprising: The rough rolling unit adopts a roller type system of a first CVC curve for eliminating initial convexity of a casting blank, wherein the first CVC curve is R 1(x) = a1x + b1x² + c1 x3, x is a grinding path point, R 1 (x) represents the radius increment of the x point in the rough rolling unit, and a 1、b1 and c 1 represent curve parameters; The finishing mill group adopts a roller type system with a second CVC curve for enhancing the fine adjustment capacity of the plate shape, wherein the second CVC curve is that R 2(x) = a2x + b2x² + c2x³;R2 (x) represents the radius increment of the x point in the finishing mill group; and the industrial computer is used for controlling the rough rolling unit and the finishing rolling unit to perform profiling grinding. Preferably, a 1≠a2, |b1-b2|>0.5, |c1-c2|>1×10⁻6. Preferably, the roughing train comprises an F1 mill, an F2 mill, an F3 mill and an F4 mill. Preferably, the finishing train comprises an F5 mill, an F6 mill, an F7 mill, and an F8 mill. Preferably, the working convexity of all the stand rolls is consistent with that of the F6 roll, and the value range is 0.10mm and 0.15 mm. A CVC roll type optimization-based checkered plate rolling method comprises the following steps: Inputting the target curve parameters into an industrial computer; Calculating radius increment of each point of a roll surface according to a first CVC curve of a rough rolling unit and a second CVC curve of a finishing rolling unit, wherein the first CVC curve is R 1(x) = a1x + b1x² + c1 x3, x is a grinding path point, R 1 (x) represents the radius increment of the x point in the rough rolling unit, a 1、b1 and c 1 represent curve parameters, and the second CVC curve is R 2(x) = a2x + b2x² + c2x³;R2 (x) represents the radius increment of the x point in the finishing rolling unit; and controlling the rough rolling unit and the finishing rolling unit to perform profiling grinding according to the calculated value. According to the specific embodiment provided by the invention, the invention discloses the following technical effects: Compared with the prior art, the CVC roll type optimized rolling system can be used for fine adjustment in the whole rolling process, and more adaptability is provided for diversified product requirements. In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below. Drawings In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. FIG. 1 is a block diagram of a checkered plate rolling system based on CVC roll type optimization; Fig. 2 is a chart showing the contrast of the surface of the checkered plate according to the present invention. Detailed Description In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the descriptio