模具設(shè)計外文翻譯

1、編號： 畢業(yè)設(shè)計(論文)外文翻譯（譯文）學(xué) 院： 機(jī)電工程學(xué)院 專 業(yè)：機(jī)械設(shè)計制造及其自動化學(xué)生姓名： 學(xué) 號： 指導(dǎo)教師單位： 藝術(shù)與設(shè)計學(xué)院 姓 名： 梁惠萍 職 稱： 講師 2012 年 5 月 15 日produce a compl

2、iant part, saving time and cost.The quality advantages of the MuCell Process are complemented by certain direct economic advantages, including the ability to produce 20-33% more parts per hour on a given molded machine,

3、 and the ability to mold parts on lower tonnage machines as a result of the viscosity reduction and the elimination of the packing requirement that accompanies the use of supercritical gas. This 25 page processing hand

4、book covers all aspects of the process from set-up to troubleshooting to optimizing results. It is primarily useful to companies who are manufacturing or are planning to manufacture parts using the MuCell Injection Mold

5、ing Process. Please contact Trexel for a copy of this publication.The MuCell Injection Molding Process involves the highly controlled use of gas in its supercritical state (SCF) to created millions of micron-sized voids

6、 in thin wall molded parts (less than 3mm). With the correct equipment configuration, mold design, and processing conditions these microcellular voids are relatively uniform in size and distribution.The voids are create

7、d or nucleated as a result of homogeneous nucleation that occurs when a single-phase solution of polymer and gas (commonly nitrogen, but occasionally carbon dioxide) passes through the injection gate into the mold.The s

8、ingle-phase solution is created through the operation of a conventional injection molding machine which has been modified to allow the creation of a single- phase solution. The key modifications to the system involve th

9、e use of a precision SCF delivery system to deliver SCF to special injectors based on mass flow metering principles. The SCF is then injected into the barrel where it is mixed with the polymer via a specially designed s

10、crew. A shut off nozzle maintains the single phase solution while the injection molding screw maintains sufficient back pressure at all times to prevent premature foaming or the loss of pressure which would allow the s

11、ingle phase solution to return to the two phase solution. Trexel has recently published a comprehensive MuCell Process Guide in English, Chinese, Japanese, and German which explains in step by step detail how to apply t

12、he MuCell process in the manufacture of MuCell Injection Molded components. This 25 page processing handbook covers all aspects of the process from set-up to troubleshooting to optimizing results. It is primarily useful

13、 to companies who are manufacturing or are planning to manufacture parts using the MuCell Injection Molding Process. Please contact Trexel for a copy of this publication.The MuCell microcellular foam injection molding p

14、rocess for thermoplastics materials provides unique design flexibility and cost savings opportunities not found in conventional injection molding. The MuCell process allows for plastic part design with material wall thi

15、ckness optimized for functionality and not for the injection molding process. The combination of density reduction and design for functionality often results in material and weight savings of more than 20%. By replacin