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焊片沖壓成形工藝及模具設(shè)計(jì)
摘 要
本設(shè)計(jì)題目為焊片沖壓模具設(shè)計(jì)，體現(xiàn)了沖壓零件的設(shè)計(jì)要求、內(nèi)容及方向，有一定的設(shè)計(jì)意義。通過(guò)對(duì)該零件模具的設(shè)計(jì)，進(jìn)一步加強(qiáng)了設(shè)計(jì)者沖壓模設(shè)計(jì)的基礎(chǔ)知識(shí)，為設(shè)計(jì)更復(fù)雜的沖壓模具做好了鋪墊和吸取了更深刻的經(jīng)驗(yàn)。
本設(shè)計(jì)運(yùn)用沖壓工藝及模具設(shè)計(jì)的基礎(chǔ)知識(shí)，首先分析了沖壓件的尺寸及性能要求，為選取模具結(jié)構(gòu)形式做好了準(zhǔn)備；然后確定排樣的方式；確定模具的設(shè)計(jì)參數(shù)、設(shè)計(jì)要點(diǎn)及推出裝置的選??；根據(jù)前面計(jì)算出來(lái)的沖壓力選取沖壓機(jī)床。
該零件形狀簡(jiǎn)單、對(duì)稱。是由圓弧和直線組成的，沖裁件內(nèi)外形所能達(dá)到的經(jīng)濟(jì)精度為IT12~IT13?？字行呐c邊緣距離尺寸公差為±0.5。將以上精度與零件的精度要求相以較比，可以為該零件的精度要求能夠在沖裁加工中得到保證，其他尺寸標(biāo)注，生產(chǎn)批量等情況，也均符合沖裁的工藝要求，故決定采用沖壓方式進(jìn)行加工該零件的圓角半徑R=0.6≥0.18t=0.18×0.7=0.175符合要求。
關(guān)鍵詞：沖壓模具、推出裝置、生產(chǎn)批量
Die welding sheet forming process and die design
Abstract
The topic for the solder-chip design stamping die design, stamping parts reflects the design requirements, content and direction of the design of a certain significance. Parts of the mold through the design, designers have further strengthened the basis for stamping die design knowledge, for the design of more complex stamping die to do a good job of paving the way and draw a more profound experience.
The design of the use of stamping process and die design of the basic knowledge, the first analysis of the size of stamping parts and performance requirements, in order to select the form of die structure ready; and then ranked to determine the kind of way; determine the mold design parameters, design features and the introduction of device selection; calculated in accordance with the red in front of select pressure punching machine.
The shape of the parts is simple, symmetrical. Is formed by the arc and a straight line, and blanking pieces can form within the economic reach an accuracy of IT12 ~ IT13. Center hole size and edge distance tolerance for ± 0.5. The above parts precision and accuracy requirements in order to per pound, you can request for the accuracy of parts in the stamping process can be assured that other dimension, such as production volume, but also are in line with the blanking of the technological requirements, it decided to adopt punching means for processing the parts of the fillet radius R = 0.6 ≥ 0.18t = 0.18 × 0.7 = 0.175 to meet the requirements.
Keywords: stamping die, the introduction of devices, the production of bulk
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