Air duct application Presentation——杜邦进气歧管交流
Dupont Engineering Polymers
Blow Moulding Developments
---Air Duct
Ryan Peng 彭若明
021-2891 1118
BM Process -Pinch Off (Conventional) 吹塑成型Extrude a parison 挤出料胚
Close the mould 合模
Blowing process 吹塑成型
Opening –Ejection 开模-顶出
Importance of
the material
melt strength
Conventional BM -Pinched parts 普通吹塑Pinch off -
Scrap to be
recycled !Weld line all along the part
Blow pin
3 D blow moulding 三维异型管吹塑
z Wall thickness control (radial + axial control)
z Suction blow moulding
z Parison
z SeCo techniques
TEEE Hytrel?HTR4275
PBT Crastin?BM6450XD
?1 piece blow moulded air duct (SeCo)
?1 piece blow moulded resonator (Mono)
Engine life (under load)
4.000 hours Absorb engine movements Flexible for (de-)assembly
Air ducts -Typical requirements气管–典型要求
?Thermal exposure -Heat ageing
耐热老化
?Stress -strain (Pressure -vacuum)
应力–应变(压力-真空)
?Chemical exposure (oil, grease,fuel, blow-by-gas,)曝露
在化学品中(油，油脂，燃料，吹塑气体等)
?Permeation performance.
渗透性能
?Pipe design -From simple to 3D
管道设计从简单到复杂的3D形状
?Part flex-stiffness management
零件刚性-弹性控制..
?Wall thickness control.
厚度的控制
?Blow or Injection moulded.
吹塑或注塑.
?Part welding & sub-assemblies.
零件焊接&其它组装要求.
?End connections -DFA.
接头连接
?NVH management -acoustic.
NVH 管理–噪音
?Recycling -waste management.
回收–废物处理etc...
3.5?1st commercial EP BM air duct between Turbocharger -Intercooler.?Oil mist & blow-by-gas exposure.?> 8 years of commercial use.
?1 piece, all functions integrated (i.e. bellows, end-connectors).?Part weigh 0.33 kg. Application facts
280 mm
VW -Audi air duct 单层挤出
Blow moulded
Injection moulded
Blow moulded
Mono-layer technology
Hytrel?HTR-4275
Audi air duct 单层顺序
Crastin?BM 6540XD
DC W211 air duct 两层顺序共挤
production mode HTR4275BM6450XD
Combination of stiff-flex zones for assembly & mechanical resistance.Vacuum test at 180 mbar -150 °C
Flexible bellows
Stiffening ribs
Flexible connection
Integrated connection + rubber seal + hose clamp
?Air duct located between the
Intercooler -air inlet manifold.
?Diameter external ?52 mm
?Wall thickness ~2.5 mm
Hytrel?HTR4275 BK316
The part flexibility comes mostly from the radius area (wall
thickness difference between the inner and the outer radius.
EP -BM product portfolio 吹塑材料
TEEE
PBT ETPV
PA6 PA66 PPA PA612 PA RB Hytrel?
Crastin?DuPont TM ETPV Zytel?
Zytel?
Zytel?HTN Zytel?
Selar?
Existing BM products & on-going BM developments z Covers a wide product range.
z Global R&D support and labs.
z Mix of products & business units. z Existing injection moulding base.
PA66
Commercial grades
PA6
Commercial grades
BM Polyamides Product Family (part 1)
Zytel ?BM 7300 T HS BK Zytel ?BM 73G15 T HS BK Zytel ?BM 73G25 T HS BK Zytel ?BM 7300 FN H BK
Unreinforced -toughened GF 15 -toughened GF 25 -toughened
Flexible PA (mono or SeCo)
Zytel ?CFE 8005 BK Zytel ?EFE 7340 BK Zytel ?EFE 7341 BK
Unreinforced, toughened GF 15 -Hydrolysis resistant GF 20 -Hydrolysis resistant
Zytel ?HTNBM1G17 HSLR BK
Zytel ?HTN FE250009GF17 -Hydrolysis resist. -Melt 302 °C
Zytel ?HTNBM2G17 HSLR BK
Zytel ?HTN FE250011
GF17 -Hydrolysis resist. -Melt 281 °C
Zytel ?BM70G20 HSLX BK
GF20 -High Temperature air ducts
BM Polyamides Product Family (part 2)
PPA
New developments
PA66
Commercial grades
Zytel ?BM70G15 HSLR BK GF15 -Hydrolysis resistant PA612
New development
Zytel ?EFE4168B BK
Unreinforced -toughened
A presentation 英语范文
On behalf of Grant Telecommunications, I’d like to welcome you. My name is Joseph Green. Today I’d like to give you a product presentation for the new XT 3000 mobile phone. My presentation is divided into three parts. First, I’ll explain the features of the new phone. Then, I’ll talk about how the phone compares with others on the market. And lastly, I will highlight the USPs of the new product. Right, let’s start with the features first. The new XT 3000 is great and it has some excellent new features. These include voice-activated dialing. What this means is that you can say the name of the person you would like to call into the phone and it will automatically find the person’s number and dial. Another fantastic feature is the 100 mega pixel camera—you won’t miss another precious moment. When compared to other products, the XT 3000 comes out on top. I will run through some comparisons against the following three products: HR 500, Elektra v1.2 and SP 989. The HR 500 doesn’t have such an excellent 100 mega pixel camera. The Elektra v1.2, which is a similar price to the XT 3000, does not have the voice-activated dialing facility. And the SP 989, which has all the same features as the XT 3000, is much more expensive than the XT 3000. This brings me to the final part of my presentation. I would like to briefly highlight the USPs (Unique Selling Points) of the XT 3000. Firstly, it is very competitively priced. It also has the most features of any phone on the market at this price. Additionally, customers are able to buy the different parts of the phone in different colours, which enables them to customise their phone to the look they want. And finally, there are lots of accessories to further customise it. All in all, the XT is a fantastic buy! Thank you for listening. Does anyone have any questions?
重庆一中2019届高三英语4月模拟试题(含答案)-重庆一中2019级高三月考
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商务英语Presentation完整版
What is important when job-sharing? As we all know, job-sharing with less work stress and have more free time、However, what is important when job-sharing? As far as I am concerned, the first thing is to find someone you like as your partner、Only when you find someone you like can you have more passion and strength to work、What’s more,organize and plan how you share the work is also important 、You need careful planning to play to each other’s different strengths、You also need to share the work responsibility in equality、Besides, communication is also an important factor to consider when job-sharing 、You should try your best to communicate with your partner 、As long as you all communicate well, everything will be solved more easily、At last but not least, you must learn to coordinate with the other person、All in all, to find someone you like as your partner,organize and plan the work ,communication and coordinate with the other person are important when job-sharing、 What is important when working from home? As we all know, working from home with less work stress and have more time with children、However, what is important when working from home? As far as I am concerned, the first thing is to set up office space in the house、Only by doing this can you have a good environment to work、In a good space to work, you can more relax and efficiently、It's a good idea to set a timetable to plan your working hours and your breaks、So you can have a regular hours to work and relax、What’s more, you also should keep
英语Presentation句式及模板
Presentation 应对问题 -I will be pleased to answer any questions you may have at the end of the presentation. -Please can you save your questions till the end. -If you have any questions, I will be pleased to answer them at the end of the presentation. -there will be time at the end of the presentation to answer your questions-so please feel free to ask me anything then. -Don't hesitate to interrupt if you have a question. -Please feel free to interrupt me at any time. -Please stop me if you have any questions. -If you need clarification on any point, you're welcome to ask questions at any time. -Can I come back to that point later? -I will be coming to that point in a minute. -That's a tricky question. -We will go into details later. But just to give you an idea of... -I am afraid there's no easy answer to that one... -Yes, that's a very good point. -Perhaps we could leave that point until the questions at the end of the presentation -I think I said that I would answer questions at the end of the presentation---perhaps you wouldn't mind waiting until then. -I think we have time for just one more question 欢迎听众(正式) - Welcome to our company - I am pleased to be able to welcome you to our company... - I'd like to thank you for coming. - May I take this opportunity of thanking you for coming 欢迎听众(非正式 ) - I'm glad you could all get here... - I'm glad to see so many people here. - It's GREat to be back here. - Hello again everybody. Thank you for being on time/making the effort to come today. - Welcome to X Part II. 受邀请在会议上致词 - I am delighted/pleased/glad to have the opportunity to present/of making this presentation... - I am grateful for the opportunity to present... - I'd like to thank you for inviting/asking me/giving me the chance to... - Good morning/afternoon/evening ladies and gentleman - It's my pleasant duty today to... - I've been asked to... 告知演讲的话题 - the subject of my presentation is... - I shall be speaking today about... - My presentation concerns...
2020重庆教师招聘考试英语试讲备考精点-6页
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商务英语口语教材presentation
CHAPTER 5 (spontaneous), while “going to” -- intentions. ex. I am going to go scuba diving in summer holidays. (definite) I will go shopping this weekend. (maybe/not 100% sure).
The purpose of this presentation is to enable each department to build a good working relationship. You can also say... 1. The importance of this presentation is... 2. The objective of this presentation is... Conversation: Questions: 1. Have you ever made a presentation? 2. What was the purpose of the presentation? 3. What was the most difficult part in your presentation? discussion on sales and profit A: What’s the purpose of this presentation? B: The purpose of this presentation is to enable each to build a good working relationship. A: Sounds good. Why did you pick that topic?B: It’s for our company to succeed . CHAPTER 5 WHY YOU ARE GIVING THIS PRESENTATION
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本文部分内容来自网络整理，本司不为其真实性负责，如有异议或侵权请及时联系，本司将立即删除！ == 本文为word格式，下载后可方便编辑和修改！ == 英语Presentation演讲稿模板 篇一：英语Presentation 演讲稿 Good afternoon,everyone. Turn on the QQ music chart,the first is always JAY,and the followed is VAE,a spotless（一尘不染的） clean boy and have the name of his photo,light smile.People can’t imagine that this is a boy who has high popularity in the Internet. He is my favorite singer---Vae.Do you know the Chinese meaning of ‘Vae’?He does not look handsome at all.Sometime,just like your neighborhood,but he is very talented. His was born on 14th March,in 1986.He graduated from AnHui Medical University.Attention,he is a doctor.Isn’t it amazing that XuSong turns to be a famous musian finally? So far he realeased four albums.And I would like to point out that the albums are his own independence,including the lyricsist,composer,arranger,singing,production and cover designing. Roses funeral,the burial of your memorise.(玫瑰花的葬礼，埋葬关于你的回忆。) Star light,and water thrawn up by the fold.（星光点亮了，海水泛起褶皱）Sad lyrics,sad melody,Vae’s interpretation （艺术表现）of the plain with a little bit sad. Except for the intelligence of music,Vae also is good at writing.During his student’s ages,more t han 20 articles were published by《萌芽》、《少年文艺》.He once wrote a composition《把伤 痕当酒窝》which was used in JiangSu province as a College Entrance Examination question.Also,he play computer very well.He won the first of ‘xunfei’ in 201X cup national webpage designin g match in Anhui. Vae is a man who can tell us what is independence.He is my idol.His perserverance,his effort,his great idea,always inspire me.
重庆市经开礼嘉中学2020届高三下学期期中考试英语试卷
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2021届重庆市南开中学高三一月第一次质量检测英语试题
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A. A local artist. B. The man’s salar y. C. An apartment to let. 4. How does Dr. Heath spend most of his time? A. Giving lectures. B. Conducting research. C. Doing office work, 5. Why does Elaine call Peter? A. To borrow his notes. B. To explain her absence. C. To discuss the presentation. 第二节（共15小题；每小题1.5分，满分22.5分） 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C 三个选项中选出最佳选项，并标在试卷的相应位罝。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段材料，回答第6、7题。 6. What is Julia doing? A. Asking about her order. B. Reporting a computer problem. C. Confirming a visit to a company. 7. When will the chairs arrive today? A. At about 10 am. B. Around 12 noon. C. By 4 pm. 听第7段材料，回答第8至10题。 8. What is the conversation mainly about? A. Course design. B. Course registration. C. Course evaluation.
重庆版小学英语三年级Unit 4 My Family
重庆版小学英语三年级（下） Unit 4 My Family 教学设计简介： 本单元主要内容是学习有关家庭成员称呼及其职业名称；以及介绍家人职业的对话练习；同时掌握时间的有关会话。可以分四课时展开教学： 第一课时：教授单词：a picture、a family、my father、my mother、my brother、my sister、my grandpa、my grandma及简单介绍自己家人的称呼。 第二课时：巩固加深第1课时中“Who’s this?”→“He(She) is my ×.”的句型，进一步掌握“Who are they?→“They are my ×and ×.”的对话，注意区别理解，灵活运用。新授关于一些职业的单词的读法与运用，以及相关的会话练习。 第三课时：学习儿歌，认识时钟，能够对时间展开对话。 第四课时：教授字母：从Nn到Rr的字母的听说、认读，能够按照书上格式进行抄写、背记；巩固复习本单元所学单词，加强听说、认读的训练；拓展训练所学会话，要求达到实际运用语言的能力；能根据录音或其他提示完成相应的习题和活动。 此教学设计，仅供参考，教师应根据本校实际情况及学生的学习状况与学习特征，灵活变通，对教学内容，可以进行合理增减，教学环节，教学顺序可以合理调整。 Lesson One 一、教学内容与目的 1、掌握单词：a picture、a family、my father、my mother、my sister、my brother、my grandpa、my grandma的听说、认读。 2、能够将所学单词融入句型中介绍： This is my ×.或者He(She)is my × 3、学会用“Who’s this?”“He(she) is my ×.”与同学交流介绍自己的家人，在实际情形中培养语言的运用能力,并能达到表演的能力。 二、教学重、难点 1、Main points：单词的新授与练习 2、Difficulties：①father、mother、brother的准确发音。②语言实际运用中人称代词的辨别区分。 三、教学准备 1、教师准备食物：cake、bread、chocolate、an egg、biscuits、ice-cream、milk、water、juice、cola、tea 2、教师准备录音机和教学磁带 3、教师和学生均准备自己的全家福照片及家人的其他照片 4、教师准备高文迪及全家人（father、mother、grandpa、grandma 、sister、brother）的头饰各一个。 四、教学设计 （一）Warm-up(Review) 1、播放歌曲《I Like Apples》，师生一起跟着唱。 2、教师依次出示食物，让学生用其替换歌词“apple、pear”灵活演唱，复习所学的食物单词。
重庆市第一中学2020┄2021届高三下学期期中试题英语
第Ⅰ卷 Ⅰ.听力部分（共二节，每小题1分，满分20分） 第一节（共5小题；每小题1.5分，满分7.5分） 听下面5 段对话。每段对话后有一个小题，从题中所给的A、B、C 三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. Where does this conversation take place？ A. In a taxi. B. At a train station. C. In a hotel 2. How much did the man pay for the car？ A. $540. B. $590. C. $600. 3. What will the man lend to the woman？ A. A ruler. B. A pair of scissors. C. A piece of string. 4. What is the man doing now？ A. Sending money to New York. B. Borrowing money from the bank. C. Checking the money from New York. 5. What are the speakers mainly talking about？ A. A postcard. B. A conference C. A city 第二节（共15小题；每小题1.5分，满分22.5分） 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段材料，回答第6、7题。
2014年重庆市专升本考试英语模拟试题二
2014年重庆市专升本考试英语模拟试题二 Part II Structure (15 minutes) Section A 16. The student who receives the highest score ________ a scholarship. A) has been awarded B) is being awarded C) will be awarded D) awards 17. We have already spent one week in the village, and we will stay for ________ weeks. A) two other B) other two C) the two other D) another two 18. It is not rare in the 21st century that people ________ their forties are going to university for further education. A) at C) in B) with D) on 19. Mother has told the boy _____________ not to spit on the floor A) hundreds of times C) hundred times B) hundred of times D) hundred time 20. We know nothing about the program ____________ what is reported in the paper. A) but B) for C) beside D) except 21. She was in the kitchen in making a cake ______________ Mary rang the bell. A) while B) when C) since D) as 22. She lost her balance and would have fallen if he __________her. A) didn't support C) wouldn't support B) hadn't supported D) hadn't been supported 23. They have invited us to their party; ________________ is very kind of them A) which B) as C) it D) that 24. _______________that it was going to rain, they decided to work inside the house. A) Know B) Be knowing C) Knowing D) To know 25. 25. The teacher told us that he would take ____________ wanted to go. A) who B) whoever C) whom D) whomever Section B 26. When______________ (complete), the museum will be open to the Public next year. 27. I'll see to it that your computer____________ (fix) by a skillful worker. 28. Little Tom couldn't help_________ (cry) when he was left behind. 29. Mary has finished______ (read) the long yet interesting novel written by the young novelist. 30. The newly published English Dictionary is very_________ (use) for college students 31. I'd rather he_______ (finish) the task we have assigned him today 32. To our disappointment, he failed the exam and__________ (take) it again 33. It's_________ (absolute) essential that you should get everything ready before his arrival. 34. The magazine is published by the China International Public Relations________ (Associate) 35 Many television viewers take him as their________________ (favor) actor. Part III Reading Comprehension (40 minutes) Task l Many sports need the services of one or more referees. You will find, for example, referees in swimming, diving competitions, football, skating, basketball, and tennis, among others. The referee's judgment, no matter what the sport is, can make the difference between winning and losing.