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Method for reducing grooves during bottoming of aluminum alloy sleeve

A technology for alloys and sleeves, which is applied in the field of reducing grooves when aluminum alloy sleeves are grounded, and can solve problems such as collapse and scrapping of aluminum alloy sleeves, bottoming grooves, lower production efficiency and yield rate, etc.

Active Publication Date: 2021-06-01
INNER MONGOLIA LIANSHENG NEW ENERGY MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] For the purpose of saving production costs, 6.0-7.0mm cast billets are often used in the production process to manufacture aluminum alloy sleeves to replace existing steel sleeves and paper core sleeves, but due to the hardness and strength of aluminum alloy sleeves On the low side, bottoming grooves often appear during finishing production. In severe cases, the aluminum alloy sleeve will collapse and be scrapped directly, resulting in repeated rework production, reducing production efficiency and yield

Method used

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  • Method for reducing grooves during bottoming of aluminum alloy sleeve

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Embodiment Construction

[0015] specific implementation plan

[0016] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with the examples and accompanying drawings. The examples are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0017] A method for reducing the occurrence of grooves when an aluminum alloy sleeve is primed, comprising the following steps:

[0018] Step 1: Screen qualified aluminum alloy sleeves;

[0019] Step 2: Adjust the expansion shaft pressure in the primer machine, the expansion shaft pressure matches the tensile strength of the aluminum alloy sleeve to be primed;

[0020] Step 3: Adjust the head of the primer machine to ensure that the position of the head corresponds to the middle position of the aluminum alloy sleeve;

[0021] Step 4: Adjust the starting pressure of the primer machine, and start the prim...

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Abstract

The invention discloses a method for reducing grooves during bottoming of an aluminum alloy sleeve. The method has the following advantages: (1) the pressure of an expansion shaft is matched with the tensile strength of the aluminum alloy sleeve, on one hand, slipping between the expansion shaft and the aluminum alloy sleeve can be avoided, and on the other hand, the external pressure of the pressure of the expansion shaft on the aluminum alloy sleeve can be reduced; and (2) the starting pressure intensity is adjusted, so that the stress release on the aluminum alloy sleeve can be effectively buffered, and the phenomenon that grooves are formed in the surface of the aluminum alloy sleeve due to the fact that the stress release rate is too high is avoided.

Description

technical field [0001] The invention specifically relates to a method for reducing the occurrence of grooves when an aluminum alloy sleeve is primed Background technique [0002] For the purpose of saving production costs, 6.0-7.0mm cast billets are often used in the production process to manufacture aluminum alloy sleeves to replace existing steel sleeves and paper core sleeves, but due to the hardness and strength of aluminum alloy sleeves Low, bottoming grooves often appear during finishing production. In severe cases, the aluminum alloy sleeve will collapse and be scrapped directly, resulting in repeated rework production, reducing production efficiency and yield. Contents of the invention [0003] The purpose of the present invention is to solve the deficiencies of the prior art, and to provide a method for reducing the occurrence of grooves when the aluminum alloy sleeve is primed, comprising the following steps: [0004] Step 1: Screen qualified aluminum alloy slee...

Claims

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Application Information

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IPC IPC(8): B21D1/08
CPCB21D1/08
Inventor 管飞鹏杨晓峰纪陶蒋涛宋远航
Owner INNER MONGOLIA LIANSHENG NEW ENERGY MATERIALS CO LTD
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