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支板沖壓成形工藝及模具設(shè)計
摘 要：本設(shè)計題目為復(fù)合模具設(shè)計，體現(xiàn)了典型復(fù)合模具設(shè)計的要求，內(nèi)容與方向。通過工藝分析，工藝方案的確定，確定了模具設(shè)計的方向，對毛坯尺寸的確定，計算沖裁力，來計算壓力中心，選擇壓力機和壓力機的噸位。
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。
本設(shè)計運用沖壓成形工藝及模具設(shè)計的基礎(chǔ)知識，首先分析了沖裁件的沖壓工藝性，為確定沖裁工藝方案做好了準(zhǔn)備；然后計算沖裁力和模具刃口尺寸，便于選取壓力機及確定工作零件的尺寸和結(jié)構(gòu)；最后分析了制件的特征，確定模具的設(shè)計參數(shù)、設(shè)計要點及推件裝置的選取。
本沖裁件上孔為規(guī)則形狀的孔,為了便于沖孔凸模的加工，在設(shè)計時把沖孔凸模設(shè)計成臺階式。為了方便制件的取出，本副模具采用倒裝結(jié)構(gòu)形式,同時,為了簡化模具結(jié)構(gòu)采用彈性推件裝置。
關(guān)鍵詞: 復(fù)合模 排樣 凸模 凹模 凸凹模
The pressworking forming process and mold design of protrude board
Abstract：This design topic designs for The piercing die design of the dunnage backup plate, body now typical model The piercing die design of request, contents and direction.Pass the craft analysis, the craft project really settles, making sure the direction of The piercing die design, really settling to the blank product size, computing to the blanking pressure, compute the pressure center, choose the tonnage of the pressure machine and the pressure machine.
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.
The use of the design process and die stamping forming the basis of design knowledge and analysis of the first blanking of the stamping process, to determine blanking of the programme prepared for and then calculating punching power and size Die Cutting Edge, For selected press and determine the size and structure of parts of the last parts of the characteristics of the design parameters established mold, design features and pushing the select pieces of equipment.
Blanking of the rules on the shape of the hole, in order to facilitate the processing punch punching, punching in the design of the punch designed as a step processing. To facilitate the removal of parts, the Vice-use flip-die structure, at the same time, in order to simplify the structure adopt a flexible mold push pieces of equipment.
Keywords: The piercing die blank lagout punch cavitydie punch and die