2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、<p><b>  《文獻(xiàn)檢索》課程</b></p><p>  檢 索 報(bào) 告</p><p>  課題名稱: 電器盒面蓋注射模設(shè)計(jì)</p><p><b>  檢 索 人: </b></p><p><b>  檢索日期: </b></p>

2、<p><b>  檢索完成日期: </b></p><p><b>  2012年</b></p><p>  《文獻(xiàn)檢索》課程檢索報(bào)告卷</p><p><b>  圖書館中文電子資源</b></p><p>  必檢數(shù)據(jù)庫或信息資源系統(tǒng):</p>

3、;<p>  CNKI期刊全文數(shù)據(jù)庫</p><p>  信息資源系統(tǒng)名稱:CNKI</p><p>  數(shù)據(jù)庫名稱:期刊全文數(shù)據(jù)庫</p><p><b>  檢索途徑:主題</b></p><p>  檢 索 詞: 電器盒面蓋 注射模</p><p>  檢 索 式:電

4、器盒面蓋and注射模</p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 :3</b></p><p>  拷貝命中篇數(shù)的篇名 :電器盒面蓋注射模設(shè)計(jì)</p><p>  記錄一篇與課題密切相關(guān)的文摘型二次文獻(xiàn)。</p><p>  2.

5、CNKI中國優(yōu)秀博士學(xué)位論文庫、中國優(yōu)秀碩士學(xué)位論文全文數(shù)據(jù)庫</p><p>  信息資源系統(tǒng)名稱:CNKI</p><p>  數(shù)據(jù)庫名稱:中國優(yōu)秀博士學(xué)位論文庫、中國優(yōu)秀碩士學(xué)位論文全文數(shù)據(jù)庫</p><p><b>  檢索途徑:全文</b></p><p>  檢 索 詞: 電器盒面蓋 注射模</

6、p><p>  檢 索 式:電器盒面蓋and注射模</p><p><b>  檢索結(jié)果:</b></p><p>  命中記錄數(shù)目 :40</p><p>  拷貝命中篇數(shù)的篇名:電針對局灶性腦缺血大鼠腦組織Survivin、VEGF、COX-2的表達(dá)及其相關(guān)性影響的研究</p><p>  記錄

7、一篇與課題密切相關(guān)的文摘型二次文獻(xiàn)。</p><p>  3.萬方系統(tǒng)中選一個(gè)與課題相關(guān)的數(shù)據(jù)庫</p><p>  信息資源系統(tǒng)名稱:萬方系統(tǒng)</p><p>  數(shù)據(jù)庫名稱:期刊論文</p><p><b>  檢索途徑:關(guān)鍵詞 </b></p><p>  檢 索 詞:電器盒面蓋 注射

8、模</p><p>  檢 索 式:電器盒面蓋 and 注射模</p><p><b>  檢索結(jié)果:</b></p><p>  .命中記錄數(shù)目 :2</p><p>  .拷貝命中篇數(shù)的篇名 : 電器盒面蓋注射模設(shè)計(jì)</p><p>  .記錄一篇與課題密切相關(guān)的文摘型二次文獻(xiàn)。</p

9、><p><b>  doi:</b></p><p><b>  摘要:</b></p><p>  電器盒面蓋注射模采用熱嘴結(jié)構(gòu)從產(chǎn)品背面的中心進(jìn)料,既改善了PC料的流動(dòng)性,又節(jié)約了成型后的澆道凝料,還縮短了塑件的成型周期.模具結(jié)構(gòu)利用先復(fù)位機(jī)構(gòu)的工作機(jī)理,實(shí)現(xiàn)在定模一側(cè)設(shè)置頂出機(jī)構(gòu)頂出注射成型后的塑件,滿足了產(chǎn)品的外觀質(zhì)

10、量要</p><p>  4. 重慶維普信息資源系統(tǒng)</p><p>  信息資源系統(tǒng)名稱:重慶維普</p><p>  數(shù)據(jù)庫名稱:中文科技期刊全文數(shù)據(jù)庫</p><p>  檢索途徑:題名 題名 關(guān)鍵詞</p><p>  檢 索 詞: 電器 盒面蓋 注射模設(shè)計(jì)</p><p> 

11、 檢 索 式:電器and 盒面蓋and 注射模設(shè)計(jì)</p><p><b>  檢索結(jié)果:</b></p><p>  .命中記錄數(shù)目 :2</p><p>  .拷貝命中篇數(shù)的篇名 : 電器盒面蓋注射模設(shè)計(jì)</p><p>  .記錄一篇與課題密切相關(guān)的文摘型二次文獻(xiàn)。</p><p>  摘

12、 要:電器盒面蓋注射模采用熱嘴結(jié)構(gòu)從產(chǎn)品背面的中心進(jìn)料,既改善了PC料的流動(dòng)性,又節(jié)約了成型后的澆道凝料,還縮短了塑件的成型周期。模具結(jié)構(gòu)利用先復(fù)位機(jī)構(gòu)的工作機(jī)理,實(shí)現(xiàn)在定模一側(cè)設(shè)置頂出機(jī)構(gòu)頂出注射成型后的塑件,滿足了產(chǎn)品的外觀質(zhì)量要求。經(jīng)產(chǎn)品大批量的生產(chǎn)驗(yàn)證,模具結(jié)構(gòu)滿足成型工藝要求,生產(chǎn)效率高,脫模動(dòng)作可靠,產(chǎn)品質(zhì)量好。</p><p>  5. 電子圖書――讀秀知識庫</p><p>

13、;  檢索途徑:標(biāo)題 關(guān)鍵詞</p><p>  檢 索 詞:電器盒面蓋 注射模設(shè)計(jì) </p><p><b>  檢索結(jié)果:</b></p><p>  命中圖書記錄種數(shù) :3</p><p>  ② 記錄一本與課題相關(guān)的書名、作者、頁數(shù)、出版社、出版日期、簡介、主題詞、目錄、ISBN號、定價(jià)</p>

14、<p>  【作  者】 鄧萬國</p><p>  【刊  名】模具制造</p><p>  【出版日期】2005</p><p>  【期  號】第11期</p><p>  【頁  碼】45-47</p><p>  出版

15、社 :《模具制造》出版社</p><p>  ISBN號 :1671-3508</p><p>  簡介:電器盒面蓋注射模采用熱嘴結(jié)構(gòu)從產(chǎn)品背面的中心進(jìn)料既改善了PC 料的流動(dòng)</p><p>  性又節(jié)約了成型后的澆道凝料還縮短了塑件的成型周期模具結(jié)構(gòu)利用先復(fù)位機(jī)構(gòu)的工</p><p>  作機(jī)理實(shí)現(xiàn)在定模一側(cè)設(shè)置頂出機(jī)構(gòu)頂出注塑成型后的塑

16、件滿足了產(chǎn)品的外觀質(zhì)量要</p><p>  求經(jīng)產(chǎn)品大批量的生產(chǎn)驗(yàn)證模具結(jié)構(gòu)滿足成型工藝要求生產(chǎn)效率高脫模動(dòng)作可靠</p><p><b>  產(chǎn)品質(zhì)量好</b></p><p><b>  目錄</b></p><p><b>  定價(jià):10/月</b></p>

17、<p>  免費(fèi)信息資源――專利及中文文獻(xiàn)數(shù)據(jù)庫</p><p>  必檢數(shù)據(jù)庫或信息資源系統(tǒng):</p><p>  1.中國專利全文數(shù)據(jù)庫信息資源系統(tǒng)名稱:</p><p>  數(shù)據(jù)庫名稱:中國專利全文數(shù)據(jù)庫</p><p><b>  檢索途徑:專利檢索</b></p><p>

18、;  檢 索 詞:電器盒蓋 </p><p>  檢 索 式:電器盒蓋 </p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 :7</b></p><p>  拷貝命中篇數(shù)的篇名 :電器盒蓋防開蓋檢測裝置</p><p>  記

19、錄一篇與課題相關(guān)的二次文獻(xiàn)</p><p><b>  美國專利全文數(shù)據(jù)庫</b></p><p>  信息資源系統(tǒng)名稱:免費(fèi)數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱:美國專利全文數(shù)據(jù)庫</p><p><b>  檢索途徑:摘要</b></p><p>  檢 索 詞:

20、電器盒面蓋注射模設(shè)計(jì)</p><p>  檢 索 式:電器盒面蓋注射模設(shè)計(jì)</p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 :5</b></p><p>  拷貝命中篇數(shù)的篇名: Light emitting diode light bar module

21、 with electrical connectors formed by injection molding:</p><p>  記錄一篇與課題相關(guān)的二次文獻(xiàn)。</p><p>  Light emitting diode light bar module with electrical connectors formed by injection molding </p>

22、<p><b>  Abstract</b></p><p>  The present disclosure relates to methods for fabricating electrical</p><p>  connectors of a waterproof connector-heat sink assembly of a LED l

23、ight bar</p><p>  module using injection molding. The methods include matching the</p><p>  coefficient of thermal expansion (CTE) of injection molding materials for</p><p>  the co

24、nnectors and heat sinks. A heat sink and conductor pins are inserted </p><p>  into an injection mold and the injection molding materials are injected into </p><p>  the injection mold. An integ

25、rated connector-heat sink assembly is formed</p><p>  when the injection molding materials of the connectors form a waterproof</p><p>  seal with the heat sink when the injection molding materia

26、ls solidify.</p><p>  Placement of the heat sink and conductor pins inside the injection mold is controlled to ensure that adhesive bonding between the injection molding materials and the heat sink is strong

27、er than a maximum shear force. </p><p>  A method of forming an electrical connector of a light emitting diode (LED) light bar comprising: </p><p>  determining a coefficient of thermal expansio

28、n (CTE) of materials of a heat sink, wherein the heat sink has a channel with an opening; </p><p>  selecting injection molding materials having a CTE that is substantially the same as the CTE of materials o

29、f the heat sink;</p><p>  placing the opening of the channel of the heat sink into an injection mold;</p><p>  clamping a set of conductor pins into the injection mold at the opening of the chan

30、nel of the heat sink;</p><p>  injecting the injection molding materials in molten state into the injection mold to fill cavities between the set of conductor pins and the heat sink; </p><p>  a

31、llowing the injection molding materials to solidify inside the injection mold to form the electrical connector, wherein the electrical connector includes the injection molding materials and the set of conductor pins surr

32、ounded radially by the injection molding materials; and </p><p>  removing the electrical connector and the heat sink from the injection mold.</p><p><b>  歐洲專利全文數(shù)據(jù)庫</b></p>&l

33、t;p><b>  檢索結(jié)果請記錄:</b></p><p>  信息資源系統(tǒng)名稱:免費(fèi)數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱:歐洲專利全文數(shù)據(jù)庫</p><p>  檢索途徑:Abstract</p><p>  檢 索 詞: electrical</p><p>  檢 索 式:e

34、lectrical</p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 :5</b></p><p>  拷貝命中篇數(shù)的篇名 :FAULT LOCATION IN ELECTRICAL</p><p>  POWER SUPPLY GRIDS USING TH

35、E DISTANCE PROTECTION PRINCIPLE</p><p>  記錄一篇與課題相關(guān)的二次文獻(xiàn)。</p><p>  FAULT LOCATION IN ELECTRICAL POWER SUPPLY GRIDS USING THE </p><p>  DISTANCE PROTECTION PRINCIPLE</p><p&

36、gt;  BOEHME KLAUS (DE) ! KRAMER CHRISTIAN (DE) ! STAEHLE SAMUEL THOMAS (DE);</p><p>  【申請?zhí)枴浚篍P20080874998</p><p>  【公開號】:EP2342574A1</p><p>  【公開日期】:20117/13</p><p>  【

37、專利分類號】:H02H003/40</p><p>  【國際分類號】:H02H003/40 ! G01R031/08</p><p><b>  【國家代碼】:EP</b></p><p>  【申請人】:SIEMENS AG (DE)</p><p>  【申請日期】:20081027</p><

38、p>  【優(yōu)先權(quán)】:WO2008EP09189 20081027</p><p>  【館藏單位】:中國化工信息中心</p><p>  4.查找一例同族專利 (JP11504028)</p><p>  信息資源系統(tǒng)名稱:免費(fèi)數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱:中國專利數(shù)據(jù)庫</p><p><b&

39、gt;  檢索途徑:專利號</b></p><p>  檢 索 詞: JP11504028</p><p>  檢 索 式:JP11504028</p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目: 1</b></p><p

40、>  拷貝命中篇數(shù)的篇名: 稱 -- 油/水エマルジョンを作り出す</p><p><b>  自己乳化性配合物</b></p><p>  記錄一篇與課題相關(guān)的二次文獻(xiàn)。</p><p>  發(fā)明名稱 -- 油/水エマルジョンを作り出す自己乳化性配合物 </p><p>  摘要 [支持框選翻譯] 簡體中文

41、->英文  英文->簡體中文 </p><p><b>  國家圖書文獻(xiàn)中心</b></p><p>  信息資源系統(tǒng)名稱:國內(nèi)數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱:國家圖書文獻(xiàn)中心</p><p><b>  檢索途徑:摘要</b></p><p&g

42、t;  檢 索 詞: Injection mold </p><p>  檢 索 式:Injection mold </p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 ;3</b></p><p>  拷貝命中篇數(shù)的篇名 :Injection

43、mold for over-molding articles</p><p>  and an injection molding machine and method therefor </p><p>  記錄一篇與課題相關(guān)的二次文獻(xiàn)。</p><p>  Injection mold for over-molding articles and an i

44、njection molding</p><p>  machine and method therefor</p><p>  SICILIA ROBERT;SCHAD ROBERT;MCGINLEY TOM;HIETKAMP DOUG;CATOEN BRUCE;GROSS KEVIN;</p><p>  【申請?zhí)枴浚篍P98850122A</p>

45、<p>  【公開號】:EP00894604A1</p><p>  【公開日期】:19990203</p><p>  【專利分類號】:B29C045/16A</p><p>  【國際分類號】:B29C045/16A</p><p><b>  【國家代碼】:EP</b></p><

46、p>  【申請人】:HUSKY INJECTION MOLDING</p><p>  【申請日期】:19980723</p><p>  【優(yōu)先權(quán)】:19970724-US89975297#19980204-US1865598</p><p><b>  【摘要】:</b></p><p>  This inve

47、ntion relates to a mold design, injection molding machine and a method for forming a multi-layer plastic article by over molding where the second layer of the article includes a portion having a different geometrical pro

48、file than the first one. The novel injection mold and injection molding machine for producing over-molded articles comprises an array of one or more cores which engage arrays of one or more first cavity and arrays of one

49、 or more composite cavities. Each composite cavity </p><p>  6.選一個(gè)與本人課題相關(guān)的其它中文免費(fèi)數(shù)據(jù)庫</p><p>  信息資源系統(tǒng)名稱:免費(fèi)數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱:國家科技成果數(shù)據(jù)庫</p><p>  檢索途徑:成果簡介</p><

50、;p>  檢 索 詞:電器 注射模設(shè)計(jì) </p><p>  檢 索 式:電器and 注射模設(shè)計(jì)</p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 ;5</b></p><p>  拷貝命中篇數(shù)的篇名 ;電加熱高光無熔痕模具設(shè)計(jì)、制造技術(shù)</p

51、><p>  記錄一篇與課題相關(guān)的二次文獻(xiàn)。</p><p>  國外網(wǎng)絡(luò)文獻(xiàn)信息資源</p><p>  必檢數(shù)據(jù)庫或信息資源系統(tǒng):</p><p>  (選擇3個(gè)與本人課題相關(guān)的數(shù)據(jù)庫)</p><p>  1.EBSCO全文數(shù)據(jù)庫</p><p><b>  檢索結(jié)果請記錄:<

52、/b></p><p>  信息資源系統(tǒng)名稱:國外數(shù)據(jù)庫 </p><p>  數(shù)據(jù)庫名稱:EBSCO全文數(shù)據(jù)庫</p><p><b>  檢索途徑:主題詞</b></p><p>  檢 索 詞:Design of Injection Mold for the Top Cover</p><

53、;p>  of Electrical Parts Holder </p><p>  檢 索 式:Design of Injection Mold for the Top Cover</p><p>  of Electrical Parts Holder </p><p><b>  檢索結(jié)果:</b></p><

54、;p><b>  命中記錄數(shù)目 :5</b></p><p> ?、?拷貝命中篇數(shù)的篇名 :Multi-Objective Optimization </p><p>  of the Heating Rods Layout for Rapid Electrical Heating </p><p>  Cycle Injection M

55、old.</p><p>  記錄一篇與課題相關(guān)的文摘型二次文獻(xiàn)及任選一個(gè)</p><p>  數(shù)據(jù)庫下載一篇原始文獻(xiàn)</p><p><b>  標(biāo)題:</b></p><p>  Multi-Objective Optimization of the Heating Rods Layout for Rapid Ele

56、ctrical Heating Cycle Injection Mold.</p><p><b>  出版物類型:</b></p><p><b>  學(xué)術(shù)期刊</b></p><p><b>  科目:</b></p><p>  MULTIDISCIPLINARY des

57、ign optimization,ELECTRIC heating, INJECTION molding of plastics,MANUFACTURING processes,ELECTRIC welding</p><p>  ,STRUCTURAL design,TEMPERATURE effect,LIQUID crystal displays</p><p>  ,GENETIC

58、 algorithms,Industrial Process Furnace and Oven Manufacturing,Instruments </p><p>  and Related Products Manufacturing for Measuring, Displaying, and</p><p>  Controlling Industrial Process Vari

59、ables</p><p><b>  摘要:</b></p><p>  Rapid electrical heating cycle injection molding (ERHCM) technology</p><p>  is a promising green manufacturing technology for plastic

60、 parts. By </p><p>  using this technology, the defects that usually appear on the surface</p><p>  of conventionally injected parts, such as weld and flow marks, can be</p><p>  av

61、oided effectively. This paper studies rapid electrical heating cycle</p><p>  injection molding technology </p><p>  and its mold structure </p><p><b>  數(shù)據(jù)庫:</b></p&g

62、t;<p>  Academic Search Premier</p><p>  2. ASME全文電子期刊</p><p>  信息資源系統(tǒng)名稱:國外數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱: ASME全文電子期刊</p><p><b>  檢索途徑:關(guān)鍵詞</b></p><p&

63、gt;  檢 索 詞:top cover of electrical parts </p><p>  holder injection mold</p><p>  檢 索 式:top cover of electrical parts holder</p><p>  and injection mold</p><p><b

64、>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 :6</b></p><p>  拷貝命中篇數(shù)的篇名 : </p><p>  Research on a method of injection molding</p><p>  machine configuration desi

65、gn based on instances</p><p>  記錄一篇與課題相關(guān)的文摘型二次文獻(xiàn)及任選一個(gè)數(shù)據(jù)庫下載一篇原始文獻(xiàn)</p><p><b>  Abstract</b></p><p>  To reduce the repeated work during the configuration design of injecti

66、on molding machine and to improve the configuration design efficiency of the product which is complex, single-designed and individual, the method of configuration design based on instances is adopted to realize the desig

67、n BOM of non-standard machine. By analyzing the configuration design characteristics of injection molding machine, the available special functions are categorized and organized. The special functions are decide</p>

68、<p>  3.ACS全文電子期刊</p><p><b>  檢索結(jié)果請記錄:</b></p><p>  信息資源系統(tǒng)名稱:國外數(shù)據(jù)庫</p><p>  數(shù)據(jù)庫名稱:ACS全文電子期刊</p><p>  檢索途徑:Abstract</p><p>  檢 索 詞: to

69、p cover of electrical parts holder</p><p>  檢 索 式:top cover of electrical parts holder</p><p><b>  檢索結(jié)果:</b></p><p><b>  命中記錄數(shù)目 :5</b></p><p> 

70、 拷貝命中篇數(shù)的篇名 : Continuous Flow Microfluidic Demixing of Electrolytes by Induced Charge Electrokinetics in Structured Electrode Arrays</p><p>  記錄一篇與課題相關(guān)的文摘型二次文獻(xiàn)及任選一個(gè)數(shù)據(jù)庫下載一篇原始文獻(xiàn)。</p><p><b&g

71、t;  Abstract</b></p><p>  A continuous flow microfluidic demixing process is realized. It utilizes high external electrical fields that are applied over electrically floating noble metal electrodes in

72、an otherwise straight microchannel. The process converts axial electrical potential gradients into lateral molecular selective transport via a structure oriented ensemble of numerous electrodes. While the individual

73、electrodes locally modify the electrolyte distribution by nonlinear electrokinetic effects and concentrat</p><p>  Microfluidic devices have gained increased interest in many technological applications such

74、as chemical analysis, biotechnology, or medical diagnostics.1-3 Their attractiveness grounds on several inherent advantages of miniaturization such as the complex integration of different analytical steps, a massive para

75、llelization, a reduced analysis time, or the minimized sample consumption. One of the key features for a successful realization of lab-on-a-chip systems therefore remains the ability to pr</p><p>  One activ

76、e field of research in microliquid handling has therefore been the development of different types of microfluidic mixers. The confined geometrical dimensions of microfabricated channel systems result in low Reynolds numb

77、ers and a laminar flow profile.4 To enable efficient lateral mixing, different approaches have been chosen to achieve a molecularly homogeneous solution in a reasonable amount of time. These microfluidic mixers reduce

78、either the diffusional path length by filing incomi</p><p>  Demixing denotes the reversion of the thermodynamically spontaneous process of mixing. It stringently necessitates an external energy input in ord

79、er to compensate the entropy decrease during the selective accumulation of a specific compound or material.13 Common large-scale purification processes realize demixing in technologies such as fractionated distillation,

80、electrodialysis, or reversed osmosis. Benefiting from the advanced microfabrication technologies, the microfluidic approach offers dis</p><p>  In contrast to these particle separation processes, which fail

81、if applied to low molecular weight compounds, we describe in this report a continuous flow microfluidic demixing process that enables the specific lateral displacement of any low molecular weight electrolytes against the

82、 concentration gradient. The key feature of this process is the direct conversion of axial energy input into lateral selective transport via the orientation-directed symmetry of the device architecture. The microfluid<

83、;/p><p>  So far, a major part of nonlinear or nonequilibrium electrokinetics is related to hierarchically structured porous media and describes the phenomena of electroosmosis and electrophoresis of the second

84、 kind.24-30 The astonishing properties of these effects due to concentration polarization, flow instabilities, and local transport modification have recently been exploited to drastically raise the performance of electro

85、chromatographic separations31-33 and microfluidics34-36 as well as to enhance th</p><p>  In the present article, the conceptual fundamentals of nonlinear electrokinetic concentration manipulation are derive

86、d. It will be demonstrated how external electrical fields induce nonequilibrium electrical double layers and what electrochemical surface properties have to be fulfilled. Thereafter, the importance of the hierarchically

87、 structured electrode geometry will be discussed:? first, on the single-electrode level in order to realize concentration polarization and, second, within the comp</p><p>  Ei Village文摘數(shù)據(jù)庫</p><p&g

88、t;<b>  國道數(shù)據(jù) </b></p><p>  閱讀本課題的檢索結(jié)果并對檢索結(jié)果進(jìn)行小結(jié):</p><p>  1.本課題國內(nèi)研究進(jìn)展情況</p><p>  隨著社會(huì)的發(fā)展,人們生活水平的提高.人們對電子產(chǎn)品的要求日益增高,不但要求有很好的質(zhì)量,而且還應(yīng)該有美觀大方的外表。設(shè)計(jì)和制造者都應(yīng)該以人為本,創(chuàng)造人類的視聽夢想。電子產(chǎn)品

89、的材料主要來自塑料,極大部分零件都以塑料模設(shè)計(jì)的。所以,塑料膜在電子業(yè)中變得越來越重要。</p><p>  由于電子產(chǎn)品發(fā)展前景可觀,更新?lián)Q代更快,也要求塑料膜跟上時(shí)代發(fā)展的步伐。</p><p>  2.本課題有無創(chuàng)新?創(chuàng)新點(diǎn)是什么?</p><p>  電氣和面蓋注射模的設(shè)計(jì)有創(chuàng)新,電器盒面蓋注射模采用熱嘴結(jié)構(gòu)從產(chǎn)品背面的中心進(jìn)料,既改善了PC料的流動(dòng)性,又節(jié)

90、約了成型后的澆道凝料,還縮短了塑件的成型周期.模具結(jié)構(gòu)利用先復(fù)位機(jī)構(gòu)的工作機(jī)理,實(shí)現(xiàn)在定模一側(cè)設(shè)置頂出機(jī)構(gòu)頂出注塑成型后的塑件,滿足了產(chǎn)品的外觀質(zhì)量要求.經(jīng)產(chǎn)品大批量的生產(chǎn)驗(yàn)證,模具結(jié)構(gòu)滿足成型工藝要求,生產(chǎn)效率高,脫模動(dòng)作可靠,產(chǎn)品質(zhì)量好.</p><p>  1,塑料材料的選擇及分析</p><p><b>  2,PC塑料分析</b></p>&l

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