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四(第1页)

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在联身袖母型分析中,主要讨论了袖山谷线的弯势变化,袖山底角与袖笼底角的关系等几个问题。在立领母型的建立中,推出了常态型和变态型两种结构。常态型的特点是领圈部分比较规则。可适用于各类上装。变态型的特点是前领圈往往大幅度下移或横移,且呈各种形状。主要用于花式女装。在立领母型分析中,主要讨论了领切线的变化角或领弯线比值取值范围,领切线与立领形态的关系,领弯线与立领形态的关系等几个问题。在连领座翻驳领母型的建立中,着重讲了驳口线的定位法则和松斜度计算公式。驳口线定位则包括基点法领基圆法两种。松斜度则由主松斜度和副松斜度二部分组成。主松斜度的比值为(ab2ba,主要解决翻领差变化引起的松紧问题。副松斜度的比值为(abu,主要解决驳口线倾斜度及肩斜度变化引起的松紧问题。在连领座翻驳领母型分析中,主要讨论了领肩同位点的调节,领座中点的调节,驳基线的调节等几个问题。在装领座翻驳领母型的建立中,着重讲了装领座的常见剖断线路及制图原理。思考题1.为何要建立上装母型?2.上装母型的主要特点是哪些?3.为何要将衣身母型的四周柱面化?

4.为何在实际使用衣身母型时,只需划出一个框架即可?5.胸劈门的作用是什么?6.胸劈门是如何构成的?其大小如何确定?7.为何要区分垫肩的测量厚度和有效厚度?8.平面中的前后平均肩斜度与立体状态下的肩斜度是否一致?9.为何要以二直角边长度之比的方法确定前后肩斜度?10.有垫肩情况下,应如何抬高衣身的袖肩点?11.为何先要定出袖笼深后再抬高袖肩点?12.为什么前、后袖肩点抬高是同步的?13.为何要按服装的季节性将上衣母型的袖笼深划分大中小三档?14.引进领背斜线有哪些作用和优点?15.为何建立母型时就要引入劈门?16.近肩缝线处的一段袖笼线是否始终呈内弧形?17.为什么相同条件下,有背缝的前、后腰节差小于无背缝的前、后腰节差?18断腰节情况下,腰口线的形态为何要随着摆缝线的倾斜变化而改变?两者基本按什么法则进行变化?19.为何肩斜度越减小,领圈应越凹?20.在袖笼变态中,为何袖笼深增加量应大于胸或背宽增加量?21.引进袖斜线及袖斜线倾角有什么优点?22.为什么袖斜线倾角越小,越便于举臂抬手,但静态时臂根下部的衣袖绉褶越多?23.为什么袖斜线倾角越大,则臂根处的衣袖合体效果越好,但越不利于举臂抬手?

24、如何理解袖斜线倾角,袖山深,袖肥三者的内在联系?25.为什么要了介袖斜线倾角的变化范围?26.为什么袖立体倾角越大(或袖斜线倾角越小),则前、后袖谷弧线的凹势差越小,反之越大?27.为何说,以袖笼线周长一半(或加减调节数)确定袖斜线长度具有很大可靠性?28、对合体袖结构为何要引进袖偏线,有什么作用?29.袖偏线的袖偏度大小如何同垫肩厚度有关?30.当袖口较小时,为何一片式短袖的袖斜线倾角最大值要大于二片式短袖?31、一般圆装袖为什么要有袖山吃势?32.在袖山线上,为何袖山吃势不能均等分布?33.袖山吃势变化同哪些因素有关?为什么,予以分别解释?34为什么在设计合体袖的袖斜线倾角时,应考虑到垫肩厚度和内衣层次因素及两臂肌肉等因th35.袖时省的大小为何不能事先任意确定?36、在一定条件下,为何袖口越小则袖时省越大?37.为什么说,圆装袖结构是联身袖结构的特殊形式?38.为什么要以袖斜线倾角的变化方法来控制联身袖的袖中线变化范围?39.为什么前、后袖中线倾斜度是不一致的?40、从合理角度讲、在联身袖中,若袖中线倾斜度和袖笼线长度给定时,袖谷点为何不能任意确定,即使是满足了长度吻合这一条件?41、在联身袖中,为何袖斜线倾角越大,则袖山谷线的弯势越大,但最大不会超过相应部位的袖笔线弯势?42、在合体的联身袖中,为何要引入前袖弯直线?43.为什么在前中线处要限定立领领止口线的最高位置?44、立领中,领切点往下移和往上移分别说明什么?45、立领中,领弯线往下折转和往上折转分别说明什么?46、立领中,超过上限的领切线和领弯线分别将产生什么问题?47.在翻驳领中,为何要引进领基圆?它能解决什么问题?48.为何领基圆离领肩点的距离小于领座高?49.为何要研究松斜度公式的使用条件和范围?如超越条件和范围将说明什么?50.翻驳领的领座转折点起什么作用?它的变化主要同什么因素有关?51.为何在“翻领差“较小并且驳头较长情况下,副松斜度可以忽略?52.为什么当肩部翻领宽同背部翻领宽相差较大时,松斜度计算公式中的翻领差应以肩部为准?53.为什么有驳头的翻驳领领圈大多划成方角形式的?54.在连领座翻驳领中,领面弯势为何要略大于领里弯势?55.装领座的主要作用是什么?56.对于相同条件下,翻驳领中为什么装领座形式的领围规格宜大于连领座形式的领围规格?并且装领座的领座弯势越大,其领围规格越要放大?57.领座线长度与领圈长度是否应完全一致,这里面同领型是否有关?

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