以上為資料預覽概圖,下載文件后為壓縮包資料文件?!厩逦?,無水印,可編輯】dwg后綴為cad圖,doc后綴為word格式,需要請自助下載即可,有疑問可以咨詢QQ 197216396 或 11970985
畢業(yè)設計(論文)成績畢業(yè)設計成績指導老師認定成績小組答辯成績答辯成績指導老師簽字答辯委員會簽字答辯委員會主任簽字插圖清單圖1 分型面的選擇7圖2 型腔的排列8圖3 冷料穴的尺寸9圖4 澆注系統(tǒng)凝料的脫出 12表格清單表1 塑件的原材料分析4表2 聚碳酸酯注射成型的工藝參數(shù)6表3 型芯主要工作尺寸的計算 13表4 型腔主要工作尺寸的計算 13 錐齒輪的注塑模的設計 摘要本設計的題目是錐齒輪零件的塑料注塑模設計,從圖紙上分析:該塑件整體外形回轉體,且符合最小壁厚要求,壁厚也較均勻。塑件不僅要在徑向收縮,并且在切向方向上的齒厚也會收縮。根據(jù)塑件的特點,模具型芯在動模部分。開模后,塑件應收縮包緊型芯,而留在動模部分,利用定模座板上的側凹和拉料桿將點澆口凝料拉斷,利用拉桿進行第2次分型,將凝料從拉料桿上拉出,最后利用推管將制件推出。對合導向機構的功能是保證動定模部分能夠準確對合,使分別加工在動模和定模上的成型表面在模具閉合后形成形狀和尺寸準確的腔體,從而保證塑件形狀,壁厚和尺寸的準確,該模具采用導柱對合導向機構。導柱和型芯一起安裝在動模一側,這樣在合模時可起保護作用。關鍵詞:錐齒輪 模具 型芯 推管 收縮 Bevel gear note mold design AbstractThis design topic is the bevel gear components plastic note molds the design,Analyzes from the blueprint:Should model the overall contour solidof revolution,Also conforms to the smallest wall thicknessrequirement,Wall thickness is also even. Models not only to have in the radial shrinkage,And in cuts the tooth is thick to the direction in also can contract.According to models a characteristic,The mold core is moving the mold to be partial. After operates the mold,Models to be supposed to contract Bao Jinxing the core,But remains moves the mold to be partial, Using will decide on the mold base plate the side to sink and to pull the material pole to select the runner to congeal the material to pull,Carries on the 2nd minute using the tension bar,Will congeal the material from to pull on the material pole to pull out, Finally uses pushes the tube to promote the workpiece.The involution guidance organization function is the guarantee moves decides the mold to be partial can the accurate involution, Causes to process separately in moves the mold and decides on the mold to take shape the surface closed to form the shape and the size accurate cavity body after the mold,Thus guaranteed models a shape, Wall thickness and size accurate,This mold uses the guide pillar involution guidance organization. The guide pillar and the core installs together is moving a mold side, Like this when gathers the mold may get up the protective function.Key words: Plastic Model Male ejector plate contract
鏈接地址:http://ioszen.com/p-7040396.html