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The manufacture of wire cables is completely different from the production of most electromechanical products. Electromechanical products are usually used to assemble parts into parts and then assemble multiple parts into a single product. The product is measured in units or pieces. Wire and cable is based on the length of the basic unit of measurement. All electric wires and cables are started from conductor processing. The outer layer of the conductor is insulated, shielded, cabled, sheathed, etc. to form wire and cable products. The more complex the product structure, the more layers are stacked.
First, the technical characteristics of wire and cable products manufacturing:
1. Large-length continuous superposition combined production method
Large-length continuous superposition of combined production methods, the impact on the production of wire and cable is global and control, which involves and affects:
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(1) Production process and equipment layout
All kinds of equipment in the production workshop must be reasonably discharged according to the process flow required by the product, so that the semi-finished products in each stage are transferred in turn. The equipment configuration must consider the production efficiency to be different and balance the production capacity. Some equipment may have to configure two or more units in order to balance the production capacity of the production line. Therefore, the rational selection and combination of equipment and the layout of production sites must be balanced based on the product and production volume.
(2) Production Organization Management
The production organization and management must be scientific, reasonable, accurate, and meticulous. The operator must be meticulously executed according to the process requirements. Any problems in any link will affect the smoothness of the technological 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 the quality is problematic, the entire length of the cable will be insufficient, resulting in scrap. Conversely, if a unit is too long, it must be sawn for waste.
(3) Quality Management
Large-length continuous superimposed combination of production methods, so that any part of the production process, an instant problem, it will affect the quality of the entire cable. The more the quality defect occurs in the inner layer, and the failure to discover the termination of production in time, the greater the damage caused. Because the production of wires and cables is different from that of assembled products, they can be dismantled and replaced with other parts; the quality of any component or process of wires and cables is almost irretrievable and remediable for this cable. Afterwards, the treatment is very negative. It is not a matter of shortening or downgrading, or scrapping the entire cable. It cannot be opened and reinstalled.
The quality management of wire and cable must go through the entire production process. The quality management and inspection department must carry out a thorough inspection of the entire production process, operator self-inspection, and mutual inspection of the upper and lower processes. This is an important guarantee and means for ensuring product quality and improving the economic efficiency of enterprises.
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