In today's global economic integration and increasingly fierce market environment, as the development and manufacturer of special equipment for bill printers, the use of famous design methods to improve the market resilience and competitiveness of enterprises, rapid development and manufacturing to meet market demand. Products are particularly urgent. This paper takes a bill printer of a company as an example to introduce the design process and method of this product in its life cycle. It focuses on the design of sheet metal shell by applying computer aided design in the design.
1 Product Source, Background 1.1 Product Market Needs Survey According to the business information analyzed in the previous company's “Note Printer Market Research Reportâ€, the organic user usage data, and the market segmentation principle of using the product. , lock the demand area of ​​this market and evaluate the market capacity.
1.2 Market Positioning According to the market situation of current bill printers, the national policy, the market performance of competitive products, and the company's overall market strategic planning, the market opportunities captured in the early stage, comprehensively assess the market share of this product, and combine The organic operating costs have been developed, and the functional quality indicators and market competitive prices of the products have been formulated, as well as the best timetable for market launch of the products.
1.3 Product series positioning According to the market positioning of the company's products, combined with the current lack of mid-range product models in this product series, the company has made full use of the existing rich and reliable data module library, using variant design and vertical series modular design. The method further enriched the vertical series of products and initially planned the company's bill printer product line.
Based on the existing models, it is positioned as a mid-range product of a bill printer in the field of electronic toll collection. This product can be widely used in railway, water transportation and other fields to print various bills and various receipts. It has an easy-to-operate Chinese character liquid crystal display panel and a large print medium capacity.
1.4 Develop product specifications According to the product series positioning, determine the product configuration and its technical indicators.
1.4.1 Retaining organic type performance specifications *104mm print width *125mm/s high speed printing *Print resolution 203DPI
* Support 1D, 2D barcode printing * Support high reliability automatic cutter 1.4.2 Unique performance specifications * Chinese character LCD, easy to operate * Medium capacity 180mm
2 Product concept design This product is based on the existing successful models. Its functional design, principle design and module design are very mature. It only needs to be based on the application environment and the characteristics of the operation site. And the design can be focused on design.
2.1 System composition of the product 2.1.1 Printing machinery. The print head unit, the cutter assembly module, and the paper feed mechanism are the actuators of the whole machine.
2.1.2 Control circuit. The print head drive circuit, the paper feed motor drive circuit, each sensor control, data communication, interface, and panel control circuit are the control parts of the whole machine.
2.1.3 Power supply circuit 2.1.4 Product control software 2.1.5 Product design 2.2 Conceptual design (mainly design) Feasibility demonstration and review 2.2.1 Establish project development team, including various departments and fields Personnel 2.2.2 Design proposes several conceptual design schemes 2.2.3 Optimization scheme design Using parallel engineering, life cycle design, experience database, and market for product TQCSE (ie development cycle, quality, cost, service, environmental factors) , design, manufacture, assembly, testing, transportation, sales, use, service, remanufacturing, recycling, processing personnel's practical experience, productability, assemblability, testability, reliability, and repairability of this product Sexuality, transportability, recyclability and environmental friendliness are demonstrated and design is improved.
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