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墊板的沖壓工藝及模具設(shè)計
摘 要
墊板——沖孔落料級進模設(shè)計。通過分析制件的工藝性可確定制件的成形加工需要一副模具完成。在一副連續(xù)模中，可以完成包括沖裁，彎曲，拉伸和成形等多道沖壓工序。相對其他冷沖壓模具結(jié)構(gòu)而言，它具有以下一些優(yōu)點：①工件加工精度較好，尺寸精度較高，并且模具壽命較長； ②生產(chǎn)效率高，凸凹模不受到最小壁厚的限制。但需考慮的問題是：模具零部件加工制造比較困難，成本較高，并且受條料外形尺寸的精度限制較大。
本設(shè)計運用了沖裁工藝及模具設(shè)計的基礎(chǔ)知識。首先，分析了板材的性能要求，為選去模具的類型做了準(zhǔn)備，同時，也為凸，凹模的材料有了依據(jù)。后分析沖裁件的特征，確定了模具設(shè)計參數(shù)，選擇其他零件及卸料裝置。也為凸，凹模尺寸的計算有了根據(jù)。還有零件的加工工藝。
關(guān)鍵詞：連續(xù)模 工藝性能 凸凹模 模具制造
Plate of the stamping process and die design
Abstract： Pad:The support turns the piece- the blunt bore falls to anticipate just progressive die design.The craft that passes the analysis system piece can make sure to make the piece to take shape to process to need one molding tools to complete.one progressive die should complete blanking, bending,deawing and forming and so on. Opposite and other cold hurtle to press the molding tool structure but speeches, it has following some advantageses: The ① work piece is together the stalk degree is better, the size accuracy is higher and the mold’s worktime longger; The ② produces the efficiency high, the convex and cave mold is not subjected to the thick restrict of minimum wall. But need the problem of the consideration is:The molding tool zero partses process the manufacturing more difficulty, the cost is higher, and be subjected to the anticipates the shape size of accuracy limit bigger.
This design made use of to hurtle foundation knowledge of blanking craft and The piercing die design. First, Analyzed the function request of the plank material, did preparation for the type that chooses to the die, is also convex, in the meantime, the material of punch and cavitydie had a basis.Analyze to hurtle a characteristic of cut the piece behind, make sure the molding tool design parameter, choose other spare partses and unload to anticipate device.Is also convex, the calculation of the cave mold size had a basis.Still there is spare parts to process a craft.
Keyword:progressive die craft function The convex and cave mold molding tool manufacturing