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1、China's mold industry and its development trendDue to historical reasons for the formation of closed, "big and complete" enterprise features, most enterprises in China are equipped with mold workshop, in factory matching status since the late 70s have a mold the concept of industrializ

2、ation and specialization of production. Production efficiency is not high, poor economic returns. Mold production industry is small and scattered, cross-industry, capital-intensive, professional, commercial and technical management level are relatively low.According to incomplete statistics, there a

3、re now specialized in manufacturing mold, the product supporting mold factory workshop (factory near 17 000, about 600 000 employees, annual output value reached 20 billion yuan mold. However, the existing capacity of the mold and die industry can only meet the demand of 60%, still can not meet the

4、needs of national economic development. At present, the domestic needs of large, sophisticated, complex and long life of the mold also rely mainly on imports. According to customs statistics, in 1997 630 million U.S. dollars worth of imports mold, not including the import of mold together with the e

5、quipment; in 1997 only 78 million U.S. dollars export mold. At present the technological level of China Die & Mould Industry and manufacturing capacity, China's national economy in the weak links and bottlenecks constraining sustainable economic development.Technical level of China's mol

6、d industry currently uneven, with wide disparities. Generally speaking, with the developed industrial countries, Hong Kong and Taiwan advanced level, there is a large gap.The use of CAD / CAM / CAE / CAPP and other technical design and manufacture molds, both wide application, or technical level, th

7、ere is a big gap between both. In the application of CAD technology design molds, only about 10% of the mold used in the design of CAD, aside from drawing board still has a long way to go; in the application of CAE design and analysis of mold calculation, it was just started, most of the game is sti

8、ll in trial stages and animation; in the application of CAMtechnology manufacturing molds, first, the lack of advanced manufacturing equipment, and second, the existing process equipment (including the last 10 years the introduction of advanced equipment or computer standard (IBM PC and compatibles,

9、 HP workstations, etc. different, or because of differences in bytes, processing speed differences, differences in resistance to electromagnetic interference, networking is low, only about 5% of the mold manufacturing equipment of recent work in this task; in the application process planning CAPP te

10、chnology, basically a blank state, based on the need for a lot of standardization work; in the mold common technology, such as mold rapid prototyping technology, polishing, electroforming technologies, surface treatment technology aspects of CAD / CAM technology in China has just started. Computer-a

11、ided technology, software development, is still at low level, the accumulation of knowledge and experience required. Most of our mold factory, mold processing equipment shop old, long in the length of civilian service, accuracy, low efficiency, still use the ordinary forging, turning, milling, plani

12、ng, drilling, grinding and processing equipment, mold, heat treatment is still in use salt bath, box-type furnace, operating with the experience of workers, poorly equipped, high energy consumption. Renewal of equipment is slow, technological innovation, technological progress is not much intensity.

13、 Although in recent years introduced many advanced mold processing equipment, but are too scattered, or not complete, only about 25% utilization, equipment, some of the advanced functions are not given full play.Lack of technology of high-quality mold design, manufacturing technology and skilled wor

14、kers, especially the lack of knowledge and breadth, knowledge structure, high levels of compound talents. China's mold industry and technical personnel, only 8% of employees 12%, and the technical personnel and skilled workers and lower the overall skill level. Before 1980, practitioners of tech

15、nical personnel and skilled workers, the aging of knowledge, knowledge structure can not meet the current needs; and staff employed after 80 years, expertise, experience lack of hands-on ability, not ease, do not want to learn technology. In recent years, the brain drain caused by personnel not only

16、 decrease the quantity and quality levels, and personnelstructure of the emergence of new faults, lean, make mold design, manufacturing difficult to raise the technical level.我國模具工業(yè)現(xiàn)狀及發(fā)展趨勢由于歷史原因形成的封閉式、 “ 大而全 ” 的企業(yè)特征, 我國大部分企業(yè)均設有 模具車間,處于本廠的配套地位,自 70年代末才有了模具工業(yè)化和生產(chǎn)專業(yè)化 這個概念。生產(chǎn)效率不高,經(jīng)濟效益較差。模具行業(yè)的生產(chǎn)小而散亂,跨行業(yè)、

17、 投資密集,專業(yè)化、商品化和技術(shù)管理水平都比較低。據(jù)不完全統(tǒng)計,全國現(xiàn)有模具專業(yè)生產(chǎn)廠、產(chǎn)品廠配套的模具車間(分廠 近 17000家,約 60萬從業(yè)人員,年模具總產(chǎn)值達 200億元人民幣。但是,我國 模具工業(yè)現(xiàn)有能力只能滿足需求量的 60%左右,還不能適應國民經(jīng)濟發(fā)展的需 要。目前,國內(nèi)需要的大型、精密、復雜和長壽命的模具還主要依靠進口。據(jù)海 關(guān)統(tǒng)計, 1997年進口模具價值 6.3億美元,這還不包括隨設備一起進口的模具; 1997年出口模具僅為 7800萬美元。目前我國模具工業(yè)的技術(shù)水平和制造能力, 是我國國民經(jīng)濟建設中的薄弱環(huán)節(jié)和制約經(jīng)濟持續(xù)發(fā)展的瓶頸 。我國模具工業(yè)目前技術(shù)水平參差不齊,

18、 懸殊較大。 從總體上來講, 與發(fā)達工業(yè)國家及港 臺地區(qū)先進水平相比,還有較大的差距。在采用 CAD/CAM/CAE/CAPP等技術(shù)設計與制造模具方面,無論是應用的廣泛性,還 是技術(shù)水平上都存在很大的差距。在應用 CAD 技術(shù)設計模具方面,僅有約 10%的模具在設 計中采用了 CAD , 距拋開繪圖板還有漫長的一段路要走; 在應用 CAE 進行模具方案設計和 分析計算方面,也才剛剛起步,大多還處于試用和動畫游戲階段;在應用 CAM 技術(shù)制造模 具方面,一是缺乏先進適用的制造裝備,二是現(xiàn)有的工藝設備(包括近 10多年來引進的先 進設備或因計算機制式(IBM 微機及其兼容機、 HP 工作站等不同,或因字節(jié)差異、運 算速度差異、抗電磁干擾能力差異等,聯(lián)網(wǎng)率較低,只有 5%左右的模具制造設備近

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