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High-precision sheet metal punching tool

A stamping die, high-precision technology, applied in the field of high-precision sheet metal stamping dies, can solve the problems of inability to provide a mold protection diaphragm, slow development, and loss of performance of EP oil-based lubricants, and achieve the effect of improving processing efficiency and labor efficiency

Inactive Publication Date: 2017-10-27
数恒(苏州)新材料科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

However, thermoforming requires in-depth research on process conditions, metal phase transformation, and CAE analysis technology. This technology is monopolized by foreign manufacturers, and domestic development is slow.
[0003] In high-strength steel forming at high temperature, EP oil-based lubricants lose their properties and cannot provide a physical mold protection diaphragm in extreme temperature applications

Method used

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  • High-precision sheet metal punching tool

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Embodiment Construction

[0011] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0012] see figure 1 , figure 1 It is a high-precision sheet metal stamping die of the present invention. The high-precision sheet metal stamping die includes an upper die 1, a column 3, a punch 4 and a lower die 2. The two ends of the upper die 1 and the lower die 2 are All are provided with a groove, the column 3 is fixed in the groove, the punch 4 is composed of an upper punch and a lower punch, the upper end of the upper punch is provided with a connecting screw hole, and the upper punch The punch is fixed on the bottom of the upper die through the connecting screw hole, the bottom of the lower punch is provided with a punching head, and the ...

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Abstract

The invention discloses a high-precision sheet metal punching tool, comprising an upper die, a positioning mechanism and a lower die; two ends of each of the upper and lower dies are provided with cavities, vertical posts are fixed in the cavities, and the positioning mechanism is fixedly mounted at the center of the upper and lower dies and includes a positioning block and a limiting block. The high-precision sheet metal punching tool has the advantages that machining efficiency and labor efficiency are greatly improved, and mounting precision of the tool is greatly improved.

Description

technical field [0001] The invention relates to a high-precision sheet metal stamping die. Background technique [0002] Today's high-strength steel and ultra-high-strength steel have realized the lightweight of vehicles and improved the collision strength and safety performance of vehicles, so they have become an important development direction of automotive steel. However, with the improvement of the strength of the sheet metal, the traditional cold stamping process is prone to cracking during the forming process, which cannot meet the processing requirements of high-strength steel plates. In the case that the forming conditions cannot be met, the hot stamping forming technology of ultra-high-strength steel plates is gradually being studied internationally. This technology is a new process that integrates forming, heat transfer and structural phase transformation. It mainly uses the characteristics of increased plasticity and reduced yield strength of sheet metal in the h...

Claims

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Application Information

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IPC IPC(8): B21D37/10
CPCB21D37/10
Inventor 陈方军
Owner 数恒(苏州)新材料科技有限公司