Ifallremainingsurfacesinthepartarelocatedonthematerialsideofthissurface(thesidefacingawayfromtheoutwardnormal),如果产品的其他面积是处于融胶面(通常是指向外的一面),thenthissurfacebelongstotheConvexRegion(CXR).那这面积属于"凸出区域"(简称CXR).ThisisdescribedasanegativescalarproductoftheoutwardnormalofthesurfaceS(i),ns(i),这将被描述为负值的并且是向外的面积S(i),ns(i),witheveryvectorfromavertex,Vs(o,onthesurfacetoeveryothervertexinthepart,vp,,.[这句实在没法理解???]TheglobalConcaveRegion(CVRg/ob,l)containseverysurfacenotassignedtotheconvexregion.除了"凸出区域"(CXR)以外,都属于"凹入区域"(简称CVRg/ob,I).Theglobalconcaveregionisdividedintoindividualconcaveregions,identifiedasCVR(i).整个"凹入区域"可分割为个别的"凹入区域",个别标以CVR(i).Thesurfaceswithineachindividualconcaveregionshareacommonedgewithatleastoneothersurface,S',每个"个别的"凹入区域"会有最少一个与另一个面积"共同的边"(S'),inthesameregionandareindependentoftheotherCVR(i).处于同一个区域里而且不与其他的CVR(i)相关连.Athirdsetofsurfaces,theConcaveBoundarySet(CBS),isusedtosubdivideeachconcaveregiontocalculateitsallowabledrawdirection.第三种面积,称之为"凹入边际集"(简称CBS),是用于分割"凹入区域"以进行计算其容许拉伸的方向.[这"allowabledrawdirection"本人没法想象个所以然.]TheCBSisasubsetoftheconvexregion,andeachconcaveregionhasitsownCBS.CBS是CXR的子集,而每个CVR各有其CBS.Thefollowingproceduremathematicallydescribesthesesets,andthesetsarediagramaticallyshowninFigure1.以下的步骤将以数学方式来描述这些集,并以图1表示之.Figure1alsoshowssomebasicmoldparameterdefinitions.图1也同时表示一些模具的基本参数的定义.注:本人只有点注射成型的知识,对模具设计只能算是个门外汉.对于这编文章的内涵不是很了解,对其专用词汇更谈不上专业,只能尽力意译.做这事只为了练一练翻译,不满意就别采纳,别怀疑我是用机器翻译,只要求你给我付出的时间一点尊重.
littleCargod
