止動片沖壓工藝與模具設計-資料下載頁

【導讀】填表日期：2020年4月10日。止動片沖壓工藝與模具設計

　　

【正文】 ot formed the industry. Straight stabs 0 centuries 8039。s later periods, the Chinese mold industry only then drives into the development speedway. Recent years, not only the stateowned mold enterprise had the very big development, the three investments enterprise, the villages and towns (individual) the mold enterprise39。s development also rapid quietly. Although the Chinese mold industrial development rapid, but pares with the demand, obviously falls short of demand, its main gap concentrates precisely to, largescale, is plex, the long life mold domain. As a result of in aspect and so on mold precision, life, manufacture cycle and productivity, China and the international average horizontal and the developed country still had a bigger disparity, therefore, needed massively to import the mold every year . The Chinese mold industry must continue to sharpen the productivity, from now on will have emphatically to the profession internal structure adjustment and the stateofart enhancement. The structure adjustment aspect, mainly is the enterprise structure to the specialized adjustment, the product structure to center the upscale mold development, to the import and export structure improvement, center the upscale automobile cover mold forming analysis and the structure improvement, the multipurpose pound mold and the pound processing and the laser technology in the mold design manufacture application, the highspeed cutting, the super finishing and polished the technology, the information direction develops . The recent years, the mold profession structure adjustment and the anizational reform step enlarges, mainly displayed in, largescale, precise, was plex, the long life, center the upscale mold and the mold standard letter development speed is higher than the mon mold product。 The plastic mold and the pression 止動片沖壓工藝與模具設計 II casting mold proportion increases。 Specialized mold factory quantity and its productivity increase。 The three investments and the private enterprise develops rapidly。 The joint stock system transformation step speeds up and so on. Distributes from the area looked, take Zhejiang Delta and Yangtze River delta as central southeast coastal area development quickly to midwest area, south development quickly to north. At present develops quickest, the mold produces the most centralized province is Guangdong and Zhejiang, places such as Jiangsu, Shanghai, Anhui and Shandong also has a bigger development in recent years. 模具是制造業的重要工藝基礎，在我國模具制造屬于專用設備制造業。中國雖然很早就開始制造模具和使用模具，但長期未形成產業。直到 20 世紀80 年代后期，中國模具工業才駛入發展的快車道。近年，不僅國有模具企業有了很大發展，三資企業、鄉鎮 （個體）模具企業的發展也相當迅速。 雖然中國模具工業發展迅速，但與需求相比，顯然供不應求，其主要缺口集中于精密、大型、復雜、長壽命模具領域。由于在模具精度、壽命、制造周期及生產能力等方面，中國與國際平均水平和發達國家仍有較大差距，因此，每年需要大量進口模具。 中國模具產業除了要繼續提高生產能力，今后更要著重于行業內部結構的調整和技術發展水平的提高。結構調整方面，主要是企業結構向專業化調整，產品結構向著中高檔模具發展，向進出口結構的改進，中高檔汽車覆蓋件模具成形分析及結構改進、多功能復合模 具和復合加工及激光技術在模具設計制造上的應用、高速切削、超精加工及拋光技術、信息化方向發展。 近年，模具行業結構調整和體制改革步伐加大，主要表現在，大型、精密、復雜、長壽命、中高檔模具及模具標準件發展速度高于一般模具產品；塑料模和壓鑄模比例增大；專業模具廠數量及其生產能力增加； “三資 ”及私營企業發展迅速；股份制改造步伐加快等。從地區分布來看，以珠江三角洲和長江三角洲為中心的東南沿海地區發展快于中西部地區，南方的發展快于北方。目前發展最快、模具生產最為集中的省份是廣東和浙江，江蘇、上海、安徽和山東等地近幾年也有較大發展。 2. Mold Present Status of Technology 天水師范學院 III Technical level of China’s mold 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, either wide application, or technical level, there 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 still in trial stages and animation。 in the application of CAM technology 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 puter standard (IBM PC and patibles, HP workstations, etc.) different, or because of differences in bytes, processing speed differences, differences in resistance to electromagic interference, working is low, only about 5% of the mold manufacturing equipment of recent work in this task。 in the application process planning CAPP technology, basically a blank state, based on the need for a lot of standardization work。 in the mold mon technology, such as mold rapid prototyping technology, polishing, electroforming technologies, surface treatment technology aspects of CAD / CAM technology in China has just started. Computeraided 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 fing, turning, milling, planning, drilling, grinding and processing equipment, mold, heat treatment is still in use salt bath, boxtype 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. Although in recent years introduced many advanced mold processing equipment, but are too scattered, or not plete, only about 25% utilization, equipment, some of the advanced functions are not given full play. 止動片沖壓工藝與模具設計 IV 工業目前技術水平參差不齊，懸殊較大。從總體上來講，與發達工業國家及港臺地區先進水平相比，還有較大的差距。 在采用 CAD/CAM/CAE/CAPP 等技術設計與制造模具方面，無論是應用的廣泛性，還是技術水平上都存在很大的差距。在應用 CAD 技術設計模具方面，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 技術制造模具方面，一是缺乏先進適用的制造裝備