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Micro hole processing method

A processing method and micro-hole technology, applied in the direction of metal processing equipment, forming tools, manufacturing tools, etc., can solve the problem of easy breakage of punches, and achieve the effect of reducing processing costs and risk of breaking

Active Publication Date: 2022-07-29
SHENZHEN HONGXUN M&E CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a micro-hole processing method, aiming to solve the problem that the punch is easy to break when the existing micro-hole processing method uses a punch to form a micro-hole

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Embodiment Construction

[0034] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0035] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" "," "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present invention and simplification It is described, rather than indicated or implied, that the referred device or element must ha...

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Abstract

The invention relates to the technical field of micro-hole processing, and provides a micro-hole processing method, which includes the steps of material preparation, punching convex hulls and grinding to form holes. There is a punch, the diameter of the punch gradually decreases along its radial direction, the maximum diameter of the punch is less than 0.2mm, the height of the punch is greater than the thickness of the sheet, and the difference between the height of the punch and the thickness of the sheet is 0.03 ~ 0.05mm ; In the step of punching the convex hull, the thin plate is first placed on the die, and then the thin plate is punched by the punch, so that the punch is punched on the thin plate to form a convex hull; in the step of grinding into holes, grinding And remove the convex hull to expose and form tiny holes on the thin plate. The micro-hole processing method sets the diameter of the punch in a gradually decreasing manner, so that it is not only suitable for processing micro-holes with smaller size, but also has a certain strength, and the punch does not need to penetrate the sheet as a whole, thereby reducing the Risk of punch breakage during blanking and resetting.

Description

technical field [0001] The present invention relates to the technical field of micro-hole processing, in particular to a micro-hole processing method. Background technique [0002] In related industries, holes with a diameter of 0.2mm and below can be called micro-holes, and plates with a thickness of 0.5mm and below can be called thin plates. Traditionally, each fine hole is formed in a thin plate by punching. However, as the diameter of the pre-formed micro-holes is smaller, the diameter of the punch used will also be smaller, resulting in a greater risk of breakage during the process of punching the hole and resetting the punch, resulting in the need to The processing and maintenance of the punch is expensive. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a micro hole processing method, which aims to solve the problem that the punch is easily broken when the micro hole is formed by punching in the existing micro hole processing m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/04B21D37/10B24B1/00
CPCB21D22/04B21D37/10B24B1/00
Inventor 成文武聂继文李文星
Owner SHENZHEN HONGXUN M&E CO LTD
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