ABS塑件的注射成型工艺分析及模具设计外文翻译.docx

1、ABS塑件的注射成型工艺分析及模具设计外文翻译 毕业设计（论文）外文资料翻译学生姓名:学 号:专 业:指导教师:学 院:日 期:外文资料翻译要求一、 译文内容须与课题研究或调研内容高度一致。二、 译文翻译得当、语句通顺，不少于4000字。三、 译文格式要求：译文题目（即一级标题）采用小三黑体、二级标题采用四号黑体、三级标题采用13磅黑体；图题和表题采用五号宋体，外文和符号采用五号Times New Roman；正文采用小四宋体，外文和符号采用小四Times New Roman，行间距为20磅；A4纸双面打印。四、 原文及译文一起装订，顺序依次为封面（背面为外文资料翻译要求）、译文评阅（单面打印

2、）、译文、外文原文。译文评阅评分：_（百分制） 指导教师（签名）：_ 年 月 日原文 Treating and the modern mould make high speedOne, summarizes1 the present situation that the mould makes at present and trendThe mould is important handicraft equipment , occupies decisive position in industrid departments such as consumer goods , electrica

3、l equipment electron , automobile , aircraft fabrication. The mould is important handicraft equipment , occupies decisive position in industrid departments such as consumer goods , electrical equipment electron , automobile , aircraft fabrication. Industrial product part rough process 75%, the finis

4、h machining 50% and plastic part 90% will be completed from the mould. The Chinese mould market demand already reaches scale of 500 hundred million yuan at present. The automobile mould , the annual growth rate covering piece of mould especially will exceed 20 %; Also prompt building material mould

5、development , various heterotype material the mould , wall surface and floor mould become new mould growth point , plastic doors and windows and plastic drain-pipe increase to exceeding 30 by in the upcoming several years %; The home appliance mould annual growth rate will exceed 10 %; The IT indust

6、ry year increases % speed equally exceeding 20 , the need to the mould accounts for 20 of mould marketplace %.2004 annual Chinese machine tools implements industry output valuewill continue to increase. Our country mould fabrication market potential is enormous. The basis data counts , in recent yea

7、rs, our country mould year gross output value reaches 3 billion U. S. dollar , entrance exceeds 1 billion U. S. dollar, exceed 100 million U. S. dollar outlet. Increase by from 25% to increase to 2005 50% of 1995. The expert foretells that abroad: Asia portion being occupied by in mould fabrication

8、in the whole world, will from 25% to increase to 2005 50% of 1995.Chinese mould industry has been expanding by leaps and bounds , has formed east China and two big South China bases, and has expanded gradually arriving at other province. In 2002 (Shandong , Anhui , Sichuan) in 1996 , mould manufactu

9、ring industry output value annual average growth 14% , grows by 25% in 2003. In 2003 our country mould output value is 45 billion RMB. The gross product place occupies the world the 3rd, exports a mould increases 33.5% compared to last year 336,800,000 U. S. dollar. But, contents low our country tec

10、hnology moulds already pile up in excess of requirement , very most support of accurate , complicated top grade mould imports. Every year the entrance mould exceeds 1 billion U. S. dollar. Exceed 100 million U. S. dollar outlet. Precise mould accuracy requires that 3 mu ms , large-scale moulds requi

11、re that 8000 satisfied kN agree well with model force injection machine request in 2 ; The minitype mould needs the request satisfying the diameter 1 mm silent stock tube. At present, adopt quick-cutting to produce a mould already becoming the general trend that the mould makes, a few moulds have pr

12、oduced a manufacturer in abroad , high-speed machine tool large area has substituted the electric spark machine tool , quick-cutting has improved the mould efficacy greatly. Machine tool enterprise aims at mould manufacturing enterprises , some treating centres 60% all above of the machine tool prod

13、ucing a factory sells treating enterprise to a mould. The mould fabrication enterprise substituting the electric spark finish machining mould gradually in abroad has adopt quick-cutting already commonly , quick-cutting has produced a mould already becoming the general trend that the mould makes grad

14、ually , has improved the mould efficacy and mass greatly. Adopt quick-cutting to replace electric spark producing a mould , can get on the stick obviously , improves mould accuracy , life time growing.2 high speed processes application in making in the mould2.1 quick-cutting merit:1) cutter high rot

15、ation rate and the machine tool height enter be given to and high acceleration , improve metal excision rate greatly;2) quick-cutting diminutions cut a force;3) quick-cutting heat major part generate heat from the cuttings entrainment , workpiece being short;4) quick-cutting cut down vibration , imp

16、rove treating mass;2.2 high speed treating apply to the beneficial result that the mould processes1) fleetness rough process and half finish machining, improve treating efficiency;2) high speed high-accuracy finish machining replace only entire the height processing , indicating mass , form accuracy

17、 rise , 50%, cuts down repair a mill by hand than EDM processes a potentiation;3) cuts the surface processing final molding stiffly , improve surface mass , form accuracy, the treating (not only being that surface harshness is low, and the surface radiance is high) , being used for complicated surfa

18、ce has more advantage;4) the surface loss that EDM treating produces , improve mould life-span 20%;5) processes an electrode rapidly combining with the CAD/CAM technology , especially, the form is complicated , thin-wall is similar to an electrode.3 adopt quick-cutting to process a mould needing the

19、 problem solvingIn in the homeland, since the aspect cause such as fund , technology , the quick-cutting applying produce a mould be in the initial stage stage. Return the machine tool , cutter , handicraft back to existence as well as some problem of aspect needs to proceed orderly other solve.The

20、shortcoming is that finished cost is high, correct cutter sigmatism have comparatively high demand, can not have used big cutters , need to have the complicated computer programming technology to be used for support , equipment running cost height.Two, the high speed processing a moulds processes a

21、machine toolMould finish machining and hard cutting treating require that the numerical control high-speed machine tool , form board , model put up the precision processing need , high-effect numerical control machine tool etc.The mould aiming at produces a lot of machine tool enterprise , some trea

22、ting centres 60% all above of the machine tool producing a factory sells enterprise to a mould.The fixed assets having 5 billion yuan without exception in the upcoming several years throws into mould industry , 80% is the machine tool buying a mould process equipment , just saying every year having

23、4 billion yuan of RMB to buy Jinqie among them.At present average our country numerical control machine tool utilization ratio approximately 20%, the high-speed machine tool utilization ratio 3 5%. Also, mould enterprise has the unit suitable to buy a high-speed machine tool , complies with 6000 400

24、00 rmps to have.1 high-speed machine tool technology parameter demandsProcess centre chief axis high-power , high rotation rate , satisfied rude finish machining; The finish machining mould wants to need to reach 15000 20000 rmp like the cutter , the machine tool with minor diameter. Generally, the

25、chief axis rotation rate machine tool under 10000 rpm can carry out rough process and half finish machining , cannot reach the finish machining accuracy;Have no way to reach 400 the above m/min cutting speed.2 five scrolls of machine tools application increases a trend1) treating route is nimble , t

26、he surface form is complicated;2) treating range is big , the various type mould suitable processes;3) cuts life-span of condition easy to cut down cutter wear , to raise a cutter,;3 the softwares buying CAD/CAM and high-speed machine tools assortOn the grounds of the machine tool , major part count

27、ing , having several billions U. S. dollar to be used to enter port every year, the electromachining machine tool and the high-speed machine tool need to import. Three, quick-cutting mould cutter technologyQuick-cutting processes the cutter needing allocating proper quick-cutting. Progressing proces

28、sing cutter materials in high speed has urged development of high speed treating. The cutter , knife edge headquarter and high tenacity base gathering crystal strengthening the ceramics cutter being able to be used giving consideration to high hardness experience and observe carbide alloy coating be

29、coming possibility. Gather the crystal cube nitriding boron (PCBN) bit, whose hardness may amount to 3500 4500 HV. Gather crystal miamond (PCD) its hardness but amount to 6000 10000 HV. Germany SCS , Japan Mitsubishi (magical steel) and Sumitomo ,Switzerland Shanteweike , USA Kenna are in recent yea

30、rs swiftly large wait for the famous abroad cutter company to successively have debuted the respective quick-cutting cutter, not only cutter having average structural steel of quick-cutting, the ceramics cutter still having direct quick-cutting of energy quenching hard steel is waiting for an effect

31、 to surpass the hard cutter, especially the coating cutter appears all of a sudden , bringing into play in quenching half finish machining and finish machining of hard steel. New cutter material and cutter technology appearing already make the bottleneck problem that high speed has processed no long

32、er be able to appear on the cutter.But, expensive entrance cutter price also blocks quick-cutting mould key factor.Above to come to saying the cutter and the cutter holder acceleration reach 3 gs the sort, the cutter circular runout needs to be smaller than 0.015 mm, but the knife length is unable greater than 4 times cutters diameter. The reality according to SANDVIK company has counted , the carbide alloy has stood on in the entirety using carbon nitriding titanium (TICN) coating when milli