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汽車沖壓模具的發展前景怎么樣

刮刮乐2000 www.yfrmbf.com.cn 來源:    發布時間:2019-04-22 13:06:53    點擊:

  汽車沖壓模具是汽車生產的重要工藝裝備,其設計和制造時間約占汽車開發周期的2/3,是汽車換型的主要制約因素之一。汽車沖壓模具具有尺寸大、工作型面復雜、技術標準高等特點,屬于技術密集型產品。過去汽車沖壓模具普遍采用單工序模和復合模的結構設計,而隨著技術進步和裝備水平的提高,能夠降低成本、提高生產效率的多工位模、級進模逐漸應用于汽車沖壓模具的設計制造中,成為汽車沖壓模具制造技術的發展方向。
  The automobile stamping die is an important process equipment in automobile production. Its design and manufacturing time accounts for about two-thirds of the automobile development cycle, and it is one of the main constraints of automobile replacement. The automobile stamping die has the characteristics of large size, complex working surface and high technical standards. It belongs to technology-intensive products. In the past, the structure design of single-process die and compound die was widely used in automobile stamping die. With the improvement of technology and equipment level, multi-position die and progressive die which can reduce cost and improve production efficiency were gradually applied in the design and manufacture of automobile stamping die, and became the development direction of automobile stamping die manufacturing technology.
  沖壓模具是對原材料進行加工,賦予原材料以完整構型和精確尺寸的加工工具,主要用于、大批量生產工業產品中的有關零部件。隨著現代化工業的發展,模具的應用越來越廣泛,在汽車、電子、儀器儀表、家電、航空航天、建材、電機和通訊器材等產品中,約60%-80%的零部件都要依靠模具加工成型,因此被稱為“工業之母”。
  Stamping die is a tool for processing raw materials, which gives them complete configuration and precise size. It is mainly used for efficient and mass production of related parts and components in industrial products. With the development of modern industry, the application of mould is more and more extensive. In automobile, electronics, instruments, household appliances, aerospace, building materials, motors and communication equipment, about 60% to 80% of parts and components rely on mould processing and forming, so they are called "the mother of industry".
  汽車沖壓模具行業的發展與下游汽車工業的發展息息相關,下游汽車行業的穩步快速發展將極大推動汽車沖壓模具行業的發展。汽車行業的穩步快速發展為汽車沖壓模具行業發展創造了良好的環境在汽車的生產過程中90%以上的零部件需要依靠模具成形,制造一輛普通轎車大約需要1,000至1,500套沖壓模具。下游汽車行業的穩步快速發展為汽車沖壓模具行業發展創造了良好的環境。
  The development of automobile stamping die industry is closely related to the development of downstream automobile industry. The steady and rapid development of downstream automobile industry will greatly promote the development of automobile stamping die industry. Steady and rapid development of automotive industry has created a good environment for the development of automotive stamping die industry. More than 90% of automotive parts need to be formed by die in the production process. It takes about 1,000 to 1,500 sets of stamping dies to make an ordinary car. The steady and rapid development of downstream automobile industry has created a good environment for the development of automobile stamping die industry.
  近幾年隨著人們生活水平的提高,汽車需求量也越來越大,各汽車廠的競爭日趨激烈,不斷投入具備成本競爭力的新車型搶占市場,與此同時,用于生產汽車精密沖壓件所 需的鐵礦石與焦炭等自然資源卻日趨緊張。提高材料利用率,不僅能降低汽車的精密沖壓件制造成本,提高汽車品牌的競爭力,而且也符合節能降耗的環保理念。
  In recent years, with the improvement of people's living standards, the demand for automobiles is also growing. The competition among automobile factories is becoming increasingly fierce. New models with cost competitiveness are continuously invested to seize the market. At the same time, the natural resources such as iron ore and coke used to produce precision stamping parts for automobiles are becoming increasingly tense. Improving the material utilization ratio can not only reduce the manufacturing cost of automobile precision stamping parts and improve the competitiveness of automobile brands, but also conform to the environmental protection concept of energy saving and consumption reduction.
  工藝優化:
  Process optimization:
  1、模具設計優化,一模多件
  1, mold design optimization, multiple models
  在一套模具上同時生產多個精密沖壓件零件時,利用大精密沖壓件零件孔洞處的廢料生產一個或多個小精密沖壓件零件,達到提高材料利用率的效果。
  When several precision stamping parts are produced simultaneously on a set of dies, one or more small precision stamping parts are produced by using the scrap at the hole of large precision stamping parts, so as to improve the utilization ratio of materials.
  B5車型機罩內板和T7門內板的模具,分別利用機罩內板和門內板精密沖壓件零件孔洞處廢料,沖壓出機罩加強板精密沖壓件零件和門鎖加強板,避免了單獨使用材料生產機罩加強板及門鎖加強板。
  The die for the inner panel of B5 type hood and the inner panel of T7 door respectively uses the scrap at the hole of the precise stamping parts of the inner panel of hood and the inner panel of door to stamp out the precise stamping parts of the cover reinforcement plate and the door lock reinforcement plate, avoiding the production of the cover reinforcement plate and the door lock reinforcement plate by using the material alone.
  2、模具設計優化,板坯組合
  2. Die design optimization and slab combination
  模具設計時,將左右對稱精密沖壓件精密沖壓件零件設計在一起沖壓成形,通過工藝優化,將兩張板料沖壓出兩個精密沖壓件零件改為一張板料沖壓出兩個精密沖壓件零件,減少工藝補充面積,提高材料利用率。
  In die design, precision stamping parts of left and right symmetrical precision stamping parts are designed to be stamped together. Through process optimization, two precision stamping parts of sheet metal are changed into two precision stamping parts of sheet metal, which reduces the supplementary area of process and improves the utilization ratio of materials.
                               山東模具
  為MX3車型的左右后門外板精密精密沖壓件零件模具設計與M44車型左右后門外板模具設計對比。MX3車型的左右后門外板一張板料沖壓一個精密沖壓件零件,精密沖壓件零件的四個方向都需要工藝補充面;而M44車型左右后門外板為一張板料沖壓出兩個精密沖壓件零件,相當于減少一個工藝補充面。通過對比,M44車型后門外板材料利用率比MX3后門外板材料利用率提高4.16%。
  For MX3 model of left and right rear door exterior panel precision stamping parts die design and M44 model of left and right rear door exterior panel die design comparison. MX3's left and right rear door outer panel stamps a precise stamping part with one sheet metal, and the four directions of the precise stamping parts need process supplementary surface; while M44's left and right rear door outer panel stamps two precise stamping parts with one sheet metal, which is equivalent to reducing one process supplementary surface. By comparison, the material utilization ratio of M44 rear door outer panel is 4.16% higher than that of MX3 rear door outer panel.
  原材料
  Raw material
  對精密沖壓件而言,同一精密沖壓件零件的材料利用率反映出工藝水平和技術水平的高低,本文結合沖壓現場實際應用,從工藝優化、材料尺寸優化、廢料再利用、卷料重量提高等方面介紹了提高汽車精密沖壓件材料利用率的方法,通過上述方法的實際應用,提高了工藝、技術水平,為后續項目的工藝設計提供了參考依據。
  For precision stamping parts, the material utilization ratio of the same precision stamping parts reflects the technological level and technical level. Combining with the practical application of stamping field, this paper introduces the methods to improve the material utilization ratio of automobile precision stamping parts from the aspects of process optimization, material size optimization, waste reuse and coil weight improvement. Through the practical application of the above methods, the technology is improved. The technical level provides a reference for the process design of follow-up projects.
  提高材料利用率的方法很多,更多的方法需要通過實踐驗證,例如沖壓覆蓋件下料時,將現有的直線刀或圓弧刀改為波浪刀,通過改變板坯的形狀,縮短板坯長度,從而提高材料利用率,此方法需要核算模具的投資、維修成本與提高材料利用率后的收益關系。總之,提高材料利用率是為了降低整車的完全成本,在做提高材料利用率方案時需要結合車型產量,考慮投資成本與收益的關系。
  There are many ways to improve the material utilization rate. More methods need to be verified by practice. For example, when blanking stamping panels, the existing linear or circular knife should be changed into wave knife. By changing the shape of the slab and shortening the length of the slab, the material utilization rate can be improved. This method needs to calculate the relationship between the investment of the die, the cost of maintenance and the profit after improving the material utilization rate. In a word, the purpose of improving material utilization rate is to reduce the total cost of the whole vehicle. When making the plan of improving material utilization rate, we need to consider the relationship between investment cost and income, taking into account the output of the vehicle.
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