Strip-shaped metal material, slitting method, and meandering measurement method for strip-shaped metal material

A measurement method and technology of metal materials, applied in metal processing equipment, mechanical counters/curvature measurement, shearing devices, etc., can solve problems such as product yield reduction, and achieve the effect of suppressing abnormalities

Pending Publication Date: 2022-03-01
JX NIPPON MINING & METALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in the case of processing a lead frame by etching a strip-shaped metal material, if the bending is large, it is difficult to open holes at a fixed interval by pressing steps, resulting in a significant decrease in product yield

Method used

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  • Strip-shaped metal material, slitting method, and meandering measurement method for strip-shaped metal material
  • Strip-shaped metal material, slitting method, and meandering measurement method for strip-shaped metal material
  • Strip-shaped metal material, slitting method, and meandering measurement method for strip-shaped metal material

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Experimental program
Comparison scheme
Effect test

Embodiment

[0061] Examples of the present invention are shown below, and the examples are provided for better understanding of the present invention and its advantages, and are not intended to limit the invention.

[0062] For the Cason copper alloy (2-4 mass% Ni-0.4-1.0 mass% Si-Cu) having the tensile strength, Vickers hardness, plate thickness and plate width shown in Table 1, using image 3 The slitting machine equipment with the structure shown is used for slitting processing of metal raw materials. Regarding each embodiment and invention example, the length (110a, 110b) of the meandering prevention plate at the front stage of the slitter, the presence or absence of the meandering prevention plate (140a, 140b, 160a, 160b, 170a, 170b) at the rear stage of the slitter, the longitudinal The width of the strip-shaped metal material after cutting is also adjusted as described in Table 1.

[0063] The operating conditions of the slitting machine equipment are as follows.

[0064] Guide r...

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Abstract

The invention relates to a strip-shaped metal material, a longitudinal cutting method and a snaking measuring method of the strip-shaped metal material. The invention provides a strip-shaped metal material with high parallelism after longitudinal cutting and a longitudinal cutting method for obtaining the strip-shaped metal material, and provides a method for reasonably measuring snaking of the strip-shaped metal material. Wherein in the strip-shaped metal material, when the ruler is in contact with the side surface of the strip-shaped metal material in the length direction, and the gap between the ruler and the strip-shaped metal material in the direction perpendicular to the length direction is measured by taking the length as a unit of 50 mm, the maximum value of the gap per 1 m in the length direction of the strip-shaped metal material is 0.12 mm or less.

Description

[0001] This application is a PCT patent application that entered China with the Chinese patent application number 201880022325.6, the title of the invention is "Strip Metal Material, Slitting Method, and Snake Measurement Method for Strip Material", and the international filing date is March 9, 2018. Divisional application. technical field [0002] The invention relates to a strip-shaped metal material, a slitting method for obtaining the strip-shaped metal material by continuously cutting the metal raw material into a specific width along the length direction, and a meandering measurement method for the strip-shaped material. Background technique [0003] In the production line of metal raw materials such as mild steel, copper, copper alloy, stainless steel, etc., the metal raw material is conveyed in the length direction and the other is made into the final plate thickness through rolling steps, and then slit into specific widths according to the user's expectations , and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D19/06B23D33/02B23D33/08G01B5/20
CPCB23D19/06B23D33/02B23D33/08G01B5/20
Inventor 木村直幸鲛岛大辅野村知康
Owner JX NIPPON MINING & METALS CORP
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