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1、機(jī)電與車(chē)輛工程學(xué)院畢業(yè)設(shè)計(jì)(外文翻譯)題 目: 目: 短連桿沖壓模具設(shè)計(jì) 短連桿沖壓模具設(shè)計(jì) 專(zhuān) 業(yè): 業(yè): 機(jī)械制造及其自動(dòng)化 機(jī)械制造及其自動(dòng)化 班 級(jí): 級(jí): 2010 級(jí) 2 班 姓 名: 名: 高 寒 important position in the national economy. S

2、ince 1997, they have to mold and its processing technology and equipment included in the “current national focus on encouraging the development of industries, products and technologies catalog“ and “to encourage foreign

3、investment industry directory.“ Approved by the State Council, from 1997 to 2000, more than 80 professional mold factory owned 70% VAT refund of preferential policies to support mold industry. All these have fully demo

4、nstrated the development of the State Council and state departments tooling industry attention and support. Mold around the world about the current annual output of 60 billion U.S. dollars, Japan, the United States and

5、other industrialized countries die of industrial output value of more than machine tool industry, beginning in 1997, China's industrial output value has exceeded the mold machine tool industry output.According to sta

6、tistics, home appliances, toys and other light industries, nearly 90% of the parts are integrated with production of chopsticks; in aircraft, automobiles, agricultural machinery and radio industries, the proportion excee

7、ded 60%. Such as aircraft manufacturing, the use of a certain type of fighter dies more than 30,000 units, of which the host 8000 sets, 2000 sets of engines, auxiliary 20 000 sets. From the output of view, since the 8

8、0's, the United States, Japan and other industrialized countries die industry output value has exceeded the machine tool industry, and there are still rising. Production technology, according to the International A

9、ssociation predicts that in 2000, the product best pieces of rough 75%, 50% will be finished mold completed; metals, plastics, ceramics, rubber, building materials and other industrial products, most of the mold will be

10、completed in more than 50% metal plates, more than 80% of all plastic products, especially through the mold intoDie trendmold CAD / CAE / CAM being integrated, three-dimensional, intelligent and network direction(1) mold

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