拉鉤的冷沖模設(shè)計(jì)_畢業(yè)設(shè)計(jì)說明書-展示頁
2024-09-08 12:23本頁面
【正文】 analyzed the stamping process of the pull hook, determines the stamping process scheme of the pull hook, by way of stamping. Design the punch, cavity and parts and ponents. After stamping the pull hook, choose from a roof by next Chula materials. Determine the overall structure of the mould ultimately. Draw out the assembly and detail drawings by auto CAD. Keywords： Hook, progressive die, center of pressure IV 目 錄 摘 要 ...........................................................................................................................................II ABSTRACT ................................................................................................................................ III 第一章 緒論 ................................................................................................................................. 1 課題意義 ......................................................................................................................... 1 模具工業(yè)的分類 ..................................................................................................... 1 模具工業(yè)的地位 ..................................................................................................... 1 我國模具工業(yè)的現(xiàn)狀 .............................................................................................. 2 現(xiàn)代模具的發(fā)展前景 ........................................................................................................ 2 課題研究方法與計(jì)劃 ........................................................................................................ 3 主要任務(wù)與目標(biāo) ..................................................................................................... 4 主要內(nèi)容與基本要求 .............................................................................................. 4 第二章 沖裁件的工藝性分析 ........................................................................................................ 5 沖裁件形狀和尺寸 ........................................................................................................... 5 沖裁件懸臂的最小尺寸 .................................................................................................... 5 自由凸模沖孔的最小尺寸 ................................................................................................. 5 沖裁件的精度與 粗糙度 .................................................................................................... 6 排樣 ................................................................................................................................ 7 排樣方式 ............................................................................................................... 7 材料的利用率 ........................................................................................................ 8 搭邊 ................................................................................................................................ 8 凸、凹模間隙 .................................................................................................................. 8 凸、凹模刃口尺寸及公差 ................................................................................................. 9 沖裁模刃口尺寸計(jì)算的原則 ................................................................................... 9 沖裁模凸模、凹模刃口尺寸計(jì)算 ............................................................................ 9 沖裁力的計(jì)算公式 ......................................................................................................... 10 沖裁力的計(jì)算 ...................................................................................................... 10 頂件力合卸料力的計(jì)算 .........................................................................................11 總沖裁力計(jì)算 ..............................................................
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