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  • 电线电缆产品制造的工艺特性
  • 本站编辑:杭州昌平泰机电工程有限公司发布日期:2018-08-07 11:29 浏览次数:
Continuous superposition combined production mode of 1. large lengths
The influence of the large-length continuous stacking combined production mode on the wire and cable production is global and controllable, which involves and affects:
(1) production process and equipment layout
All kinds of equipment in the workshop must be reasonably discharged according to the technological process required by the product, so that the semi-finished products in each stage can be transferred in sequence. In order to balance the production capacity of the production line, the equipment configuration should consider the balance of production capacity with different production efficiency, and some equipment may have to be equipped with two or more stations. Therefore, the rational selection and combination of equipment and the layout of production sites must be balanced and considered comprehensively according to the product and production volume.
(2) production organization and management
The production organization and management must be scientific, reasonable, accurate and meticulous. The operator must follow the requirements of the process meticulously. Any problem in one link will affect the patency of the process flow, and affect the quality and delivery of the product. Especially multi-core cable, a pair of lines or basic unit length is short, or quality problems, the whole cable will be insufficient length, resulting in scrap. Conversely, if the length of a unit is too long, it must be sawn for waste.
(3) quality management
The production mode of large-length continuous superposition combination will make any link and instantaneous problems occur in the production process, which will affect the quality of the whole cable. The more the quality defects occur in the inner layer, and the failure to detect the termination of production in time, the greater the losses will be. Because the production of wire and cable is different from the assembled product, it can be disassembled and replaced, and the quality of any part or process of wire and cable is almost irreparable and irreparable to the cable. Handling afterwards is very negative, not sawing short or downgrading, or scrapping entire cables. It can't be reassembled.
The quality management of wire and cable must be carried out throughout the whole production process. The inspection department of the quality management and inspection should inspect the whole process of production, self-examination and mutual inspection, which is an important guarantee and means to guarantee the quality of the product and improve the economic benefit of the enterprise.
2. the production process is large and the material flow is large
The process of wire and cable manufacturing involves a wide range of technologies, ranging from non-ferrous metal smelting and pressure processing to plastic, rubber, paint and other chemical technologies; textile technology for wrapping and weaving of fiber materials, wrapping of metal materials and metal strip, welding metal forming processes, and so on.
All kinds of materials used in wire and cable manufacturing are not only in categories, varieties, specifications, but also in large quantities. Therefore, the dosage, dosage, batch period and volume of various materials must be approved. At the same time, the decomposition and treatment of waste products, recycling, reuse and waste disposal, as an important content of management, do a good job in the management of materials and pay attention to the work of saving.
In the production of wire and cable, from the import and storage of raw materials and various auxiliary materials, the circulation of the semi-finished products of each process to the storage and production of the products, the large flow of materials, the rational distribution and dynamic management must be made.
3. special equipment many
Wire and cable manufacturing and using special production equipment with the technical characteristics of the industry, in order to meet the structure and performance requirements of cable products, meet the requirements of large length continuous and as high speed production as possible, thus forming a series of special equipment for cable manufacturing. For example, extrusion machine series, wire drawing machine series, stranding machine series, wrapping machine series, etc.
The manufacturing process of wire and cable is closely related to the development of special equipment and promotes each other. New process requirements, promote the emergence and development of new dedicated equipment; in turn, the development of new dedicated equipment, and improve the promotion and application of new technology. Such as wire drawing, annealing, extrusion series line, physical foaming production line and other special equipment, promote the development and improvement of wire and cable manufacturing technology, improve the quality of cable products and production efficiency.
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