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插圖清單
圖1 工件…………………………………………………………………1
圖2 彎曲件的展開圖……………………………………………………2
圖3 沖孔落料彎曲工件工序圖………………………………………….5
圖4 同時卡在凹模的工件(或廢料)示意圖…………………………….8
圖5 （a）大凸模的壓力中心圖……………………………………….11
圖5 （b）總的壓力中心圖…………………………………………….12
圖6 圓形沖孔凸模示意圖………………………………………………15
圖7 沖孔凸模刃口示意圖………………………………………………15
圖8 螺孔到凹模邊界的示意圖…………………………………………16
圖9 凹?！?9
圖10 始用擋料塊…………………………………………………………20
圖11 始用擋料銷的位置示意圖…………………………………………21
圖12 固定擋料銷…………………………………………………………21
圖13 擋料銷位置示意圖…………………………………………………22
圖14 導正銷示意圖………………………………………………………23
圖15 導板…………………………………………………………………24
圖16 模架…………………………………………………………………25
圖17 總裝配圖……………………………………………………………27
表格清單
機械加工工藝卡 30
機械加工工藝卡 31
沖孔—落料—彎曲級進模具
摘要
此次設計為沖孔—落料—彎曲級進模，設計本模具充分利用了網(wǎng)上資源，圖書館藏書，更重要的是老師的諄諄教導，才成就了此模具。
在模具的設計過程中，首先，簡要地概述了沖壓模具在社會發(fā)展領域中的作用及其以后的發(fā)展前途。點明了模具的設計意義。然后進行工件的工藝分析，進而確定了工藝方案。計算出了模具工作部分的尺寸公差，設計出零部件，然后依據(jù)設計要求選擇各個標準件。最后設計出模具的總裝配圖。在設計過程中需要計算沖壓力，落料力，彎曲力及推件力，卸料力。從而判斷模具各部件是否能承受壓力機的作用。更重要的是模具工作零件的設計，以此為核心的問題，工作零件的誤差將直接影響制件的質量。最后利于繪圖工具AutoCAD制作了裝配圖和零件圖，而節(jié)省了許多時間。
通過此次設計使我不僅掌握了沖壓模具設計的一般流程，更好的學習好多在課本上沒有學習的知識。
關鍵詞 : 沖孔 彎曲 計算機繪圖 工藝分析
Blunt bore- fall to anticipate- flection the class enters the molding tool
Abstract
This time design for blunt bore- fall to anticipate- flection the class enters the mold, the design was originally the molding tool to make use of the on-line resources well, the library library, the more important teacher earnestly instruct, just achieving this molding tool.
In the design process of the molding tool, first, the synopsis ground says to hurtle to press the molding tool all after society develop the function in the realm and it of development prospect.Order the design meaning of understand the molding tool.Then carry on the craft analysis of the work piece, then made sure the craft project.Compute the molding tool work part of size business trip, design zero partses of, then request to choose the each standard piece according to the design.Design a total assemble diagram of molding tool finally.The demand computes the blunt pressure in design process, falling to anticipate the dint, the flection dint and push a dint, unload to anticipate the dint.Thus judge whether each parts of molding tool can bear the function of the pressure machine or not.The design of the more important molding tool work spare parts, with this for core of problem, work spare parts of error margin will affect the quantity of make the piece directly.Finally the benefit manufactures to assemble the diagram and the spare parts diagrams in the painting tool AutoCAD, but saved many time.
Pass this time design make me not only controled to hurtle the general process of press the molding tool design, the better study is a lot of in the lesson originally up have no knowledge of study.
Keyword: Blunt bore Flection The calculator painting The craft analysis