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本科畢業(yè)論文(設(shè)計(jì))中期進(jìn)展情況檢查表
學(xué)生姓名
張玉改
班級(jí)
機(jī)教031
指導(dǎo)教師
李保國(guó) 王保國(guó)
論文(設(shè)計(jì))題目
保溫杯注塑模設(shè)計(jì)
目前已完成任務(wù)
1. 制定畢業(yè)設(shè)計(jì)計(jì)劃。
2. 查找相關(guān)文獻(xiàn)。
3. 完成畢業(yè)論文開題報(bào)告。
4. 完成注塑模制件分析。
5. 完成凸模和凹模的結(jié)構(gòu)設(shè)計(jì)。
是否符合任務(wù)書要求進(jìn)度:符合
尚需完成的任務(wù)
1. 繼續(xù)對(duì)論文材料進(jìn)行組織和整理。
2. 按照論文提綱,有步驟有計(jì)劃的開展論文工作,存在問題要及時(shí)與老師及工程師溝通。
3. 對(duì)已完成的論文內(nèi)容進(jìn)行檢查審核,力求把問題降到最少。
4. 到規(guī)定的時(shí)間完成論文初稿。
5. 根據(jù)指導(dǎo)老師的指導(dǎo)意見和全部材料完成論文。
能否按期完成論文(設(shè)計(jì)):能
存在問題和解決辦法
存
在
問
題
由于實(shí)驗(yàn)設(shè)備以及生產(chǎn)設(shè)備條件的限制,設(shè)計(jì)出來的模具無法加工出來。無法確定模具的使用情況。
擬
采
取
的
辦
法
根據(jù)存在的問題,在工廠現(xiàn)場(chǎng)考察學(xué)習(xí);向工廠內(nèi)的工程師請(qǐng)教解決的方法。
指導(dǎo)教師簽 字
日期
年 月 日
教學(xué)院長(zhǎng)(主任)意 見
負(fù)責(zé)人簽字: 年 月 日
Precision injection molding technology of progress
Author : Masaki Mikell Chen Chun
Abstract : Introduction about precision injection molding technology of the polymer materials, and discussion about factors which impact the precision injection molding, including the precision of the mold,the control accuracy of the injection molding machine, the process control of precision injection and other computer control technology. Discussed to each of these factors, and given the relevant solutions, finally, introduce a number of advanced molding technology.
Keywords : Precision Injection, Injection Machine,Precision Injection Mold
In recent years, with the rapid development of the electronics, telecommunications, health care, automotive, and other industries,the demand to high-precision and high performance of plastic products is increasing day by day, prompted precision molding technology continues to progress, new technologies continue to emerge. Precision injection molding products not only require high dimensional accuracy, low warpage,good to write, but also require excellent optical properties [1]. Injection molding is the most important method of the plastic molding, including plastics plastics,injection, and packing, several basic cooling process, so there are many factors which can impact precision injection molding.
1 Precision Mold
To create sophisticated products, precision mold is essential. Generally the accuracy of the Mold controlled by the mold temperature, the precision manufacturing mold and the selection of plastic shrinkage rate when mold design .
1.1 The Control Precision of The Mold Temperature
General precision parts in the injection molding, temperature control of mold is to increase productivity. However,the impact of temperature control of mold for precision injection molding is great [2], it affects component of contraction, shape, crystallization, stress and so on, therefore mold design temperature loop temperature distribution at the request reasonable, control accuracy is precise. Wen preferred mode control and a cool-water machine. Mold temperature control and cooling time on product performance and the impact is as follows [3] :
(1)Melt plastic injection and the cycle time of mold cavity can make fluctuations of the temperature difference ,therefore be to minimize the volatility worse peaks.
(2)Heat transfer of mold is through the concrete and mold die within the media around the world. Mold is unchanged and therefore control of the media is the key, the general import and export of its cooling water temperature is less than 1 °C, application of the theory to the average temperature calculated [4], this can guarantee the stability of heat transfer.
(3)Stable state of mold to maintain a balance between absorption and distribution of heat, injection molding machine should strictly maintain a stable temperature.
1.2 The Design And Manufacture of Precision Mold
The premise to guarant precision component size of plastic is mold design in order to improve the precision of precision injection mold, using computer-aided analysis is necessary in the design process,especially on the gating system and the behavior of mold temperature control system heat distribution analysis.
1.3 The Use of Precision Mold Design Shrinkage Rate
Precision injection molding machine generally has larger injection of power, make difficulties to mold design, size and cavity size precision control products [5]. Precision plastic parts of the design prior to manufacture simple mold to measure the molding part of the actual shrinkage, this will greatly improve the accuracy of component size.
2 Best Precision Iinjection Molding Process Parameters Settings
To the best molding process parameters to reduce plastic products, the shrinkage rate. Parts of the wall thickness difference is generally considered by the two factors :.
(1)Melt hypertension caused by mold cavity minor deformation;
(2)When the mold cavity flexibility of the material after expansion.
3 Precision Injection Molding Machine Used to Replace Conventional Injection Molding Machine
Precision injection molding machine generally larger injection of power, Besides meet injection pressure and injection rate of requirements, Power will be injecting itself on the accuracy of a certain role in the improvement.
3.1 The consistency of molding cycle time
General typical injection molding machine with three modes:manual, semi-automatic and fully automatic. Due to the influence of various factors, in the former two models under each molding cycle time vary, this will affect the mold temperature and melt materials in the residence time, thereby affecting the precision of the parts made, so in Precision molding should maximize the use of fully automatic mode [14].
3.2 The Temperature Control of Precision Injection Molding Machine, And A New Design of Screw.
Injection barrel automatic thermostat on the cycle of sexual relations and the opening of the stove to melt density and viscosity changes. Products thus affecting the quality and accuracy of the cyclical fluctuations; injection molding machine nozzle close to the mold cavity. Therefore, the nozzle temperature of molding component will have an important impact.
4 Precision Molding Technology
4.1 Application of The Mold Injection Compression Molding (ICM) Technology ICM
Technology is the means to open a certain distance from the mold under the conditions of the beginning injection, injection of a certain amount, close to the beginning die cavity melt implementation of the compression, Die completely closed at the termination of injection, and then packing, cooling until the removal products.
4.2 The High-speed Injection Molding
High-speed injection molding method of filling melts faster than traditional fast 10 ~ 100 times, so that melt in a mold cavity to produce high shear flow and viscosity, mold filling fast, plastic surface hardening slowed, will be enhanced thin-wall molding thickness limit, inhibit excessive molding pressure and low-pressure die as mobile, products, the lower the stress.
4.3 No Guarantee Pressure Injection Molding
Without packing injection molding technology is referred to the plastic melt in high-speed, high pressure filling into the mold, then close to the nozzle needle, a plastic mold cavity melt automatically cover all parts of the product contraction Such products can greatly reduce the warpage.
4.4 Other Intelligent Control Technology
Precision injection molding process on the processing conditions for continued monitoring and accurate control is very important. With the development of computer technology, computerized injection molding has been widely used .
5 Conclusion
The growing requirement of plastic products for high accuracy and high performance requirements is the momentum for sophisticated injection molding technology forward. People of precision injection molding understanding of the principle is the continuous deepening of precision injection molding technology the basis for progress. With new materials, new techniques and new equipment has emerged, particularly plastic widely used in the computer processing, to create good conditions for precision injection technology. As long as reasonable to use, we will be able to produce sophisticated products.
References
[1]Luo WeiHua. Application Engineering Plastics, 2002, 30 (8) : 27
[2]Zhang yougen. Plastics technology, 1990 (1)
[3]Xi yongsheng. Precision Injection Mold Design. Beijing : China Light Industry Press, 1997
[4]Wang songjie. Plastics Processing, 2002, 37 (3) :40
[5]Chen Hong .Precision Plastic Molding. Beijing : National Defense Industry Press, 1999
[6]Dai wenli. Polymeric Materials Science and Engineering, 1995, 11 (5) : 97
[7]Yang S Y. Advances in Polymer Technology, 1996, 15 (4) : 289
8Chen Shi. Advances in Polymer Technology, 2003, 22 (4) : 306
[8]Zhu Xikun. Die industry, 2001,41 (11) : 37
10Kleinebrahm M. Kunstoffe Plast Europe, 1998 (1) : 12
[9]Hu haiqing. Application Engineering Plastics, 2000, 28 (10) : 18
[10]Mikell K. Plastics Technology, 2001 (4) : 54
[11]Hang Xu. Electromechanical Components, 2002, 22 (2) : 56
[12]Xu Bin. China Plastics, 2003, 17 (4) : 61
[13]Yang S Y. Advances in Polymer Technology, 1996, 15 (3) : 205
[14]Masaki Y. Polymer Engineering and Advanc e, 1998, 38 (9) : 17Peter Pokorny 1587.
[15]Peter Pokorny. Injection Molding, 2001, 91 (7) : 100029 22
[16]Wu daming. China Plastics, 2003, 17 (2) : 1
精密注射成型技術(shù)的研究進(jìn)展
作者: Masaki Mikell 陳占春
摘要:介紹聚合物材料的精密注射成型技術(shù),論述影響精密注射成型的因素,包括模具的精度、注塑機(jī)的控制精度、精密注射工藝控制和其它一些計(jì)算機(jī)控制技術(shù)。分別對(duì)這些因素進(jìn)行分析討論,并給出了相關(guān)的解決方法,最后介紹了一些先進(jìn)的模塑成型技術(shù)。
關(guān)鍵詞:精密注射,注塑機(jī),精密注射模具
近年來,隨著電子、電信、醫(yī)療、汽車等行業(yè)的迅速發(fā)展,對(duì)塑料制品的高精度、高性能要求與日俱增,促使精密成型技術(shù)不斷地進(jìn)步,新的技術(shù)不斷地涌現(xiàn)。精密注射成型要求制品不僅具有較高的尺寸精度、較低的翹曲變形、優(yōu)良的轉(zhuǎn)寫性,而且還應(yīng)有優(yōu)異的光學(xué)性能等[ 1 ]。注射成型是最重要的塑料成型方法之一,包括塑料的塑化、注射、保壓、冷卻等幾個(gè)基本的過程,因此影響精密注射成型的因素也很多。
1 精密模具
要制造出精密的制品,精密模具是必不可少的。模具的精度一般受模具的溫度控制、模具的精密制造和模具設(shè)計(jì)時(shí)對(duì)塑料收縮率選用等影響。
1.1 模具溫度的精密控制
在一般精度零件的注射成型中,控制模具溫度主要是為了提高生產(chǎn)率。然而模具溫度控制對(duì)精密注射成型的影響極大[ 2 ] ,它影響制件的收縮、形狀、結(jié)晶、內(nèi)應(yīng)力等,因此設(shè)計(jì)模具冷熱回路時(shí)要求溫度分布合理,控制精度精確,最好采用模溫機(jī)和冷水機(jī)控制。模具溫度控制和冷卻時(shí)間對(duì)制品性能的影響及其影響因素如下[ 3 ] :
(1)塑料熔體注入和模具開模的循環(huán)時(shí)間二者會(huì)在模具中產(chǎn)生溫度差的波動(dòng),因此應(yīng)該盡量減小這種波動(dòng)差峰。
(2)模具內(nèi)的熱量轉(zhuǎn)移模具的熱量是通過模具體和模具內(nèi)的媒體傳遞出去的,模具是不變的,因此對(duì)媒體的控制是關(guān)鍵,一般其冷卻水出入口溫度差小于1℃,應(yīng)用平均溫度理論來計(jì)算[ 4 ] ,這樣能夠保證熱量傳遞的穩(wěn)定性。
(3)模具穩(wěn)定狀態(tài)為使模具所吸收和散發(fā)的熱量保持平衡,注塑機(jī)注射出的熔體要嚴(yán)格保持穩(wěn)定的溫度。
1.2 精密模具的設(shè)計(jì)與制造
模具設(shè)計(jì)的好壞是保證塑料制件尺寸精度的前提,為了提高精密注塑模的精度,在設(shè)計(jì)過程中采用計(jì)算機(jī)輔助分析是必要的,特別是對(duì)澆注系統(tǒng)的流動(dòng)行為和模具溫度調(diào)節(jié)系統(tǒng)熱量分布的分析等。
1.3 精密模具設(shè)計(jì)時(shí)物料收縮率的選用
熱塑性塑料制品成型時(shí)收縮率波動(dòng)較大,給模具設(shè)計(jì)、確定型腔尺寸和控制制品尺寸精度帶來困難[ 5 ]。對(duì)高精度塑料件可在設(shè)計(jì)前先制造簡(jiǎn)易模具,以測(cè)出成型時(shí)各部位的實(shí)際收縮率,這樣便可大大提高制件的尺寸精度。
2 精密注射成型最佳工藝參數(shù)的設(shè)定
選取最佳的成型工藝參數(shù)能夠減少塑料制品的收縮率。制件壁厚的差異一般認(rèn)為是由兩個(gè)方面的因素引起的:
(1)高壓熔體引起的模具型腔輕微變形;
(2)當(dāng)模具開模后材料的彈性膨脹。
3 用精密注塑機(jī)代替常規(guī)注塑機(jī)
精密注塑機(jī)一般都采用較大的注射功率,這樣除了可以滿足注塑壓力和注射速率方面的要求外,注射功率本身還會(huì)對(duì)制品精度起一定的改進(jìn)作用。
3.1 成型制件循環(huán)時(shí)間的一致性
一般典型的注塑機(jī)有三種模式:手動(dòng)、半自動(dòng)、全自動(dòng)。由于各種因素的影響,在前兩種模式下每次模塑的循環(huán)時(shí)間不盡相同,這會(huì)影響到模具溫度和物料在料筒中的停留時(shí)間,進(jìn)而影響到制件的精度,因此在精密成型中應(yīng)盡量采用全自動(dòng)的模式[ 14 ]。
3.2 精密注塑機(jī)的溫度控制和新型螺桿的設(shè)計(jì)
注塑機(jī)筒上自動(dòng)調(diào)溫器的循環(huán)性開和關(guān)導(dǎo)致了料筒內(nèi)熔料密度和粘度的變化,從而影響制件質(zhì)量和尺寸精度的周期性波動(dòng);注塑機(jī)的噴嘴緊靠模具型腔,所以噴嘴的溫度對(duì)模塑制件也有重大的影響。
4 精密成型新技術(shù)
4.1 在模具中應(yīng)用注射壓縮成型( ICM)技術(shù)
ICM技術(shù)是指模具開啟一定距離的條件下開始注射,注射到一定量后,模具開始閉合對(duì)型腔內(nèi)的熔體實(shí)施壓縮,模具完全閉合時(shí)注射終止,然后保壓、冷卻直到取出制品。
4.2 高速注射成型
高速注射成型方法的熔體填充速度較傳統(tǒng)的快10 ~100倍,使熔體在模腔內(nèi)產(chǎn)生高剪切的流動(dòng),粘度下降,充模速度快,塑料表面硬化減慢,因而可提高薄壁制品的成型厚度極限,抑制過度的成型壓力,同時(shí)由于模內(nèi)低壓流動(dòng),制品的內(nèi)應(yīng)力降低。
4.3 無保壓的注射成型
無保壓注射成型技術(shù)是指將塑料熔體以高速、高壓充填入模具,然后關(guān)閉設(shè)于噴嘴的針閥,以模腔內(nèi)的塑料熔體自動(dòng)彌補(bǔ)制品各部分的收縮,這樣可以大大降低制品的翹曲變形。
4.4 其它的智能控制技術(shù)
精密注射成型過程中對(duì)加工條件實(shí)行持續(xù)性監(jiān)測(cè)和精確控制非常重要。隨著計(jì)算機(jī)技術(shù)的發(fā)展,計(jì)算機(jī)化的注射成型已得到廣泛的應(yīng)用。
5結(jié)語
對(duì)塑料制品高精度、高性能要求的日益增長(zhǎng)是精密注射成型技術(shù)前進(jìn)的動(dòng)力,人們對(duì)精密注射成型原理理解的不斷深化是精密注射成型技術(shù)進(jìn)步的基礎(chǔ)。隨著新材料、新工藝和新設(shè)備的相繼出現(xiàn),尤其是計(jì)算機(jī)在塑料加工中的廣泛應(yīng)用,為精密注射技術(shù)創(chuàng)造了良好的條件。對(duì)只要合理的利用這些技術(shù),就一定能生產(chǎn)出精密的制品。
參考文獻(xiàn)
[1]羅衛(wèi)華. 工程塑料應(yīng)用, 2002, 30 (8):27
[2]張友根. 塑料技術(shù), 1990 (1)
[3]奚永生. 精密注塑模具設(shè)計(jì). 北京:中國(guó)輕工業(yè)出版社, 1997
[4]王松杰. 塑料加工, 2002, 37 (3):40
[5]陳洪. 精密塑料成型. 北京:國(guó)防工業(yè)出版社, 1999
[6]戴文利. 高分子材料科學(xué)與工程, 1995, 11 (5):97
[7]Yang S Y. Advances in Polymer Technology, 1996, 15 ( 4):289
[8]Chen Shi. Advances in Polymer Technology, 2003, 22(4):306
[9]朱錫坤. 模具工業(yè), 2001 (11):37
[10]Kleinebrahm M. Kunstoffe Plast Europe,1998 (1):12
[11]胡海青. 工程塑料應(yīng)用, 2000, 28 (10):18
[12]Mikell K. Plastics Technology, 2001 (4):54
[13]許航. 機(jī)電元件, 2002, 22 (2):56
[14]許忠斌. 中國(guó)塑料, 2003, 17 (4):61
[15]Yang S Y. Advances in Polymer Technology, 1996, 15 ( 3):205
[16]Masaki Y. Polymer Engineering and Advance, 1998, 38 (9):1587
[17]Peter Pokorny. Injection Moulding, 2001, 91 (7):22
[18]吳大鳴. 中國(guó)塑料, 2003, 17 (2):1
河南科技學(xué)院畢業(yè)論文(設(shè)計(jì))課題審核表
院(系)名稱
機(jī)電學(xué)院
專業(yè)名稱
機(jī)電技術(shù)教育
指導(dǎo)教師
姓名及職稱
李保國(guó) 王保國(guó) 教 授 工程師
課題名稱
保溫杯注塑模的設(shè)計(jì)
課題來源
河南西峽龍成特種材料有限公司
立題理由
和所具備
的條件
用模具成型制品與采用機(jī)床分步加工成制品的方法相比具有以下優(yōu)點(diǎn)。
(1)用模具成型生產(chǎn)效率高。
(2)用模具成型的制品質(zhì)量高。
(3)用模具成型的制品原材料的利用率高。
(4)用模具成型的制品比用別的方法獲得的制品成本更低,經(jīng)濟(jì)效益更好。
(5)用模具成型操作簡(jiǎn)單。
綜上所述,模具已成為當(dāng)代工業(yè)生產(chǎn)中的重要手段,特別適用于各類產(chǎn)品的制造和生產(chǎn),傳統(tǒng)的用機(jī)械加工等方法自由成型的零件,很多都逐漸改成了使用模具成型,如自由鍛改成了模鍛、切削成型零件改成了壓鑄成型零件等,可以認(rèn)為模具成型是成型工業(yè)發(fā)展的一個(gè)方向。
教研室
審批意見
教研室主任簽字: 年 月 日
畢業(yè)論文(設(shè)
計(jì))工作領(lǐng)導(dǎo)
小組審批意見
組長(zhǎng)簽字:: 年 月 日
注:本表經(jīng)教務(wù)處復(fù)審后存院(系)備查。
河南科技學(xué)院
2007屆本科畢業(yè)設(shè)計(jì)
論文題目:保溫杯注塑模的設(shè)計(jì)
學(xué)生姓名: 張玉改
所在院系: 機(jī)電學(xué)院
所學(xué)專業(yè): 機(jī)電技術(shù)教育
導(dǎo)師姓名:李保國(guó) 王保國(guó)
完成時(shí)間:2007年5月20日
畢業(yè)論文(設(shè)計(jì))任務(wù)書
題目名稱 保溫杯注塑模設(shè)計(jì)
學(xué)生姓名
張玉改
所學(xué)專業(yè)
機(jī)電技術(shù)教育
班級(jí)
031班
指導(dǎo)教師
李保國(guó)
王保國(guó)
所學(xué)專業(yè)
機(jī)電一體化
機(jī)械設(shè)計(jì)制造
職稱
教 授
工程師
完成期限
2007年1月20日 至 2007年5月20日
一、論文(設(shè)計(jì))主要內(nèi)容及主要技術(shù)指標(biāo)
1.主要內(nèi)容
要求設(shè)計(jì)出能生產(chǎn)出保溫杯的注塑模具。
2.技術(shù)指標(biāo)
(1)能夠合理的進(jìn)行制件分析。
(2)能夠完成凸模和凹模的結(jié)構(gòu)設(shè)計(jì)。
(3)能夠選擇合理的模架。
(4)能夠完成合模導(dǎo)向機(jī)構(gòu)和脫模機(jī)構(gòu)的設(shè)計(jì)。
(5)成型過程中保證精度要求和注射機(jī)的校核。
二、 畢業(yè)論文(設(shè)計(jì))的基本要求
1.畢業(yè)設(shè)計(jì)(論文)一份:有400字左右的中英文摘要,正文后有15篇左右的參考文獻(xiàn),正文中要引用5篇以上文獻(xiàn),并注明文獻(xiàn)出處。論文字?jǐn)?shù)在6000字以上。
2.有不少于2000漢字的與本課題有關(guān)的外文翻譯資料。
3.畢業(yè)設(shè)計(jì)總字?jǐn)?shù)在10000字以上。
4.模具裝配圖 一套(要求:有CAD圖或手繪圖)。
三、畢業(yè)論文(設(shè)計(jì))進(jìn)度安排(非師范專業(yè))
1. 2007年1月8日-1月20日,下達(dá)畢業(yè)設(shè)計(jì)任務(wù)書;寒假期間完成外文資料翻譯和開題報(bào)告。
2. 2007年3月5-11日(第1周),指導(dǎo)教師審核開題報(bào)告和設(shè)計(jì)方案。
3. 2007年3月12日-4月15日(第2-6周),畢業(yè)設(shè)計(jì)單元部分設(shè)計(jì)。
4. 2007年4月16-22日(第7周),畢業(yè)設(shè)計(jì)中期檢查。
5. 2007年4月16日-5月13日(第7-10周),整理、撰寫畢業(yè)設(shè)計(jì)(論文)。
6. 2007年5月14-20日(第11周)上交畢業(yè)論文,指導(dǎo)、評(píng)閱教師審查評(píng)閱論文,畢業(yè)設(shè)計(jì)答辯資格審查,學(xué)生修改整理論文,畢業(yè)設(shè)計(jì)(論文)答辯。
河南科技學(xué)院
2007屆本科畢業(yè)設(shè)計(jì)
論文題目:保溫杯注塑模的設(shè)計(jì)
學(xué)生姓名: 張玉改
所在院系: 機(jī)電學(xué)院
所學(xué)專業(yè): 機(jī)電技術(shù)教育
導(dǎo)師姓名:劉法治 王忠躍
完成時(shí)間:2007年5月20日
摘 要
塑料成型加工是將塑料原料轉(zhuǎn)變?yōu)橹破返年P(guān)鍵環(huán)節(jié)。塑料成型加工及其模具技術(shù)是一門不斷發(fā)展的綜合學(xué)科,不僅隨著高分子材料合成技術(shù)的提高、成型設(shè)備的革新、成型工藝的成熟而進(jìn)步,而且隨著計(jì)算機(jī)技術(shù)、數(shù)值模擬技術(shù)等在塑料成型加工領(lǐng)域的滲透而發(fā)展。本設(shè)計(jì)通過對(duì)模具的研究和工廠實(shí)地考察研究,分析模具結(jié)構(gòu),借鑒國(guó)內(nèi)外學(xué)者的設(shè)計(jì)經(jīng)驗(yàn)確定方案。主要研究的是塑料模的材料選取,注射機(jī)的應(yīng)用,型腔布局與分型面設(shè)計(jì),澆注系統(tǒng)設(shè)計(jì),冷卻系統(tǒng)設(shè)計(jì),成型零件設(shè)計(jì),模架的選用,合模導(dǎo)向機(jī)構(gòu)設(shè)計(jì),脫模機(jī)構(gòu)設(shè)計(jì),注射機(jī)校核,由此設(shè)計(jì)出保溫杯注塑模。
關(guān)鍵詞:塑料成型加工,熱塑性塑料,注射成型技術(shù)
Insulation Cup Injection Mold Design
Abstract
The key link of changing plastic raw materials into products is the plastics molding process. Plastic processing and mold technology is an evolving integrated subject. Not only with the improving synthesis technology of the polymeric materials, the innovations of the molding equipments, the maturity of processing technology to make progress , but also with the infiltration of computer technology, numerical simulation technology and so on in the field of plastics molding process to access development. The design through the study of mold and the factory-site study, to analysis the mold structure, meanwhile,drawing on the experiences in the design of programs of scholars from home and abroad to determine the program. Major study is the materials selection of the plastic molds, the application of injection machine, the layout of cavity and the design of regional type, the design of gating system, the design of cooling system, the design of prototyping parts, die-selection, mold design-oriented institutions, the design of ejection mechanism, the check of injection machine, then we can design the injection mold of insulation cup.
Keywords:Plastic Molding Of Plastics Processing Raw Materials Into Products, Thermoplastic , The Injection Takes Shape The Technology