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A kind of composite strip production method and production system

A technology of composite strip and production method, applied in metal rolling and other directions, can solve problems such as inability to carry out mass production, and achieve the effects of good industrial application and promotion value, good surface quality, and wide range of incoming materials

Active Publication Date: 2020-10-09
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the respective advantages and disadvantages of the existing hot-rolled composite method and cold-rolled composite method, and the prepared composite strip is limited to laboratory research and cannot be mass-produced

Method used

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  • A kind of composite strip production method and production system
  • A kind of composite strip production method and production system
  • A kind of composite strip production method and production system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 , figure 2 with image 3 As shown, the present embodiment provides a method for producing a composite strip, comprising the steps of:

[0040] (1) Pretreatment of incoming materials

[0041] The base material 22 and the covering material 23 are selected as incoming materials, and the base material 22 and the covering material 23 are respectively subjected to unwinding of the incoming material, grinding of the composite surface, cleaning of the surface wear debris and heating treatment.

[0042] Wherein, the material of base material 22 and cladding material 23 is any one in stainless steel, carbon steel, low-alloy steel, industrial pure titanium, aluminum alloy, and base material 22 and cladding material 23 are fully annealed state; The requirements of the number of layers, wherein the cladding material 23 can be one or more layers, the composite tape produced in the present embodiment is a three-layer composite tape, so the cladding material 23 inclu...

Embodiment 2

[0059] This embodiment takes the production of TA1 titanium / 304 stainless steel / TA1 titanium three-layer composite strip with a thickness of 4mm as an example to further illustrate the production method of the composite strip of the present invention.

[0060] Adopt the production method of the composite strip in Example 1, the base material is 304 stainless steel plate, the base material thickness is 6 mm, the cladding material is TA1 industrial pure titanium plate, the cladding material thickness is 6 mm, both the base material and the cladding material are fully annealed.

[0061] During the heating process, the heating temperature of the 304 stainless steel plate is 950-970°C, and the heating time is 1.5min. The heating temperature of the TA1 industrial pure titanium plate is 490-510°C, and the heating time is 1.5min.

[0062] During the hot rolling composite process, the hot rolling reduction rate is 50%, and the hot rolling rolling speed is 10m / min.

[0063] During the w...

Embodiment 3

[0067] This embodiment takes the production of 5052 aluminum / Q345 steel / 5052 aluminum three-layer composite strip with a finished product thickness of 2mm as an example to further illustrate the production method of the composite strip of the present invention.

[0068] Using the composite strip production method in Example 1, the base material is a Q345 low-alloy steel plate with a thickness of 4 mm, the cladding material is a 5052 aluminum alloy plate, and the cladding material thickness is 3 mm. Both the base material and the cladding material are in a fully annealed state.

[0069] During the heating process, the heating temperature of the Q345 low-alloy steel plate is 850-870°C, and the heating time is 1min. The heating temperature of the 5052 aluminum alloy plate is 420-440°C, and the heating time is 1min.

[0070] During the hot rolling composite process, the hot rolling reduction rate is 40%, and the hot rolling rolling speed is 15m / min.

[0071] During the water cooli...

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Abstract

The invention provides a method for producing composite strips. The method comprises the following steps: 1) pre-processing incoming materials; 2) pre-tightening the head parts of the incoming materials; 3) carrying out hot rolling compounding; 4) carrying out water cooling treatment; and 5) carrying out cold rolling compounding and rolling. According to the method disclosed by the invention, aiming at the advantages and the disadvantages of the hot rolling compounding process and the cold rolling compounding process, a continuous production process of firstly carrying out hot rolling compounding and then carrying out cold rolling deformation is adopted, the prepared composite strip has the advantages of high bonding strength of a hot rolling compounding interface, low requirement on rolling capability of a compound rolling machine, high control precision of cold rolling thickness and plate shapes, good surface quality, stable production and the like; and moreover, the generality is good, the range of the incoming materials required to carry out rolling compounding is wide, and a variety of the incoming materials are provided, and therefore, the method is applied to production of the composite strips with thin specifications in large-batch and high-efficiency modes, and the method has good industrialized application and popularization values.

Description

technical field [0001] The invention belongs to the technical field of composite rolling, and in particular relates to a composite strip production method and production system. Background technique [0002] Rolled layered composite plate is a composite material made by using rolling composite technology to make two or more metals with different physical, chemical and mechanical properties realize firm metallurgical bonding at the interface. Due to its physical, chemical and mechanical properties taking into account the advantages of each component metal, it is used in many special fields such as wear resistance, corrosion resistance, impact resistance, fatigue resistance, high specific stiffness (such as aerospace, metallurgy, construction, electronic instruments, chemical industry, etc.) , automotive and shipbuilding industries) are widely used. [0003] The basic principle of the rolling composite method is that under the strong pressure exerted by the rolling mill, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/38
CPCB21B1/38B21B2001/386
Inventor 陈全忠吴有生
Owner WISDRI ENG & RES INC LTD
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