Henan Crosslink Cable Co., Ltd.
Basic knowledge of wire and cable
2021-04-07
The manufacturing of wires and cables is completely different from the production of most electromechanical products. Electromechanical products usually adopt the assembly of other parts into parts, and the assembly of multiple parts into a single product, and the products are measured by the number of units or pieces. Wire and cable are based on length as the basic unit of measurement. All wires and cables start from the processing of conductors, adding insulation, shielding, cabling, and sheathing layer by layer to the periphery of the conductor to make wire and cable products. The more complex the product structure, the more layers of overlap.
1. Process characteristics of wire and cable product manufacturing:
1. Large length continuous stacking combined production method
Large length continuous stacking combined production method has a global and controllable impact on wire and cable production, which involves and affects:
(1) Production process and equipment layout
Various equipment in the production 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 circulated in sequence. The equipment configuration should consider the different production efficiency and balance the production capacity. Some equipment may have to be equipped with two or more units in order to balance the production capacity of the production line. Therefore, the reasonable combination of equipment and the layout of the production site must be balanced and comprehensively considered according to the product and production volume.
(2) Production organization management
Production organization management must be scientific, reasonable, thorough, accurate, strict and meticulous. The operator must strictly follow the process requirements. Any problem in any link will affect the smoothness of the process and affect the quality and delivery of the product. Especially for multi-core cables, if the length of a certain pair or basic unit is short, or there is a quality problem, the entire cable will be insufficient in length, resulting in scrap. Conversely, if the length of a certain unit is too long, it must be sawn to cause waste.
(3) Quality Management
The production method of continuous superposition and combination of large lengths will cause any problem in any link of the production process to occur instantaneously, which will affect the quality of the entire cable. The more quality defects occur in the inner layer, and the production is not terminated in time, the greater the loss will be. Because the production of wires and cables is different from assembled products, they can be disassembled and reassembled and replaced; quality problems in any part of the wire and cable or the process are almost irreparable and make up for this cable. The post-event treatment is very negative, either cutting short or downgrading, or scrapping the entire cable. It cannot be disassembled and reinstalled.
The quality management of wires and cables must run through the entire production process. The quality management inspection department shall conduct roving inspections of the entire production process, self-inspection of operators, and mutual inspection of upper and lower procedures. This is an important guarantee and means to ensure product quality and improve the economic efficiency of the enterprise.
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2021-04-29
Basic knowledge of wire and cable
2021-04-07
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