One of the fine blanking methods is that in which the punch has a round edge and a small clearance.

精沖工藝方法的一種是使用圓形的刃口模具和小的間隙。

The program is the first of blanking-punching composite punch, then bending modulus composite production.

采取的工藝方案是先落料—沖孔復(fù)合沖壓，然后再彎曲亚洲自拍高清无码，采用復(fù)合模生產(chǎn)欧美成aⅴ人高清喷水。

The design method of faceplate oblique edge blanking die, die structure, punch structure and matrix structure were introduced in detail.

詳細介紹了面板斜刃沖裁模的設(shè)計方法和模具結(jié)構(gòu)及沖裁凸凹模結(jié)構(gòu)。

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The punching, flanging ,blanking compound die made of polyurethane-rubber was introduced,including the design of insert and split punch block,polyurethane block and ejector pins.

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The shaping course of Fine blanking is very complex. Material forms a local plastic cutting area between punch and bottom die, and brings violent plastic flow under the effect of press stress. The grad of stress and strain is great, and it is an unstable transmutation process that came through an elastic distortion, plastic distortion and cut rupture.

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But in practice, due to the condition and tradition, for both the blanking and punching, the usual way is to produce punch first and then the die plate, or in the opposite way, so the conversion between them is needed.

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In this paper, by using the electromagnetic forming unit developed by ourselves, the influence of various parameters such as the thickness of elastomer, the diameter of the punch, the value of sorap and the installation form of the punch on the minimum discharge energy of blanking were studied on the base of experiments.

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