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型彎板沖壓成形工藝及模具設(shè)計(jì)
摘 要：本設(shè)計(jì)題目為復(fù)合模具設(shè)計(jì)，體現(xiàn)了典型復(fù)合模具設(shè)計(jì)的要求、內(nèi)容與方向。通過工藝分析以及工藝方案的確定，明確了模具設(shè)計(jì)的方向；通過對(duì)毛坯尺寸的確定，沖裁力以及壓力中心的計(jì)算，初選了壓力機(jī)；并根據(jù)模具的總體結(jié)構(gòu)設(shè)計(jì)思想，對(duì)各個(gè)零部件進(jìn)行了標(biāo)準(zhǔn)化設(shè)計(jì)。
所選的沖裁模具為典型的沖孔落料正裝復(fù)合模，采用后導(dǎo)柱模架，前后送料的方式，用導(dǎo)正銷和擋料銷定位，并采用剛性打料裝置和彈性卸料裝置。這種模具結(jié)構(gòu)適用于沖裁較硬或厚度大于0.3mm的板料。
關(guān)鍵詞:復(fù)合模，凸模，凹模，凸凹模，彎曲模
Sheet forming and die design
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.
The die is a character of compound die is theg interted position of the blanking punch and blanking die.Use the guide pin and guide pin bushing.The die use guide pins and stop pins.and spring stripper,knockout rod.The die is used to blank the plate whose stiff is greate or thickness is bigger than 0.3mm
Keywords: The piercing die，punch，cavitydie，punch-die，bending die
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