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1 儀表指針沖壓工藝及模具設(shè)計 摘要 本設(shè)計的題目為儀表指針沖壓工藝及模具設(shè)計 體現(xiàn)了薄板類沖裁零件的要求 內(nèi) 容及方向 有一定的設(shè)計意義 通過對該零件模具的設(shè)計 進(jìn)一步加強(qiáng)了本人沖壓模 設(shè)計的基礎(chǔ)知識 為設(shè)計更復(fù)雜的沖壓模具做好了鋪墊和吸取更深刻的經(jīng)驗 本設(shè)計運用沖壓成型工藝及模具設(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(jī)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 本沖裁件上孔為非規(guī)則形狀的孔 為了便于沖孔凸模的加工 所以在設(shè)計時把沖孔 凸模設(shè)計成直通式 然后 將其鉚接在凸模固定板上 此外 該制件的尺寸較大 為保證凹 模的加工精度 在設(shè)計時應(yīng)將其設(shè)計成凹模組件 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 沖壓模 倒裝復(fù)合 凹模組件 彈性推件 2 The stamping process and die design of the meter pointer Abstract The title of the design for lining stamping process and die design reflects the type of sheet metal stamping parts requirements content and direction of the design of a certain significance Parts of the mold through the design I have further strengthened the foundation for stamping die design knowledge for the design of more complex stamping die to do a good job of paving the way and learn from the experience even more profound 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 non hole hole in order to facilitate the processing punch punching punching in the design of the punch designed as a straight through processing and then riveting in its punch fixed board In addition the larger the size of the parts to ensure the accuracy of processing die the design should be designed to die components 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 stamping die flip composite die components flexible pieces of pushing