A method for measuring the thickness of the copper tube sheath and the outer diameter of the conductor in the cable production process

Abstract

The invention discloses a method for measuring the thickness of a copper tube sheath and the outer diameter of a conductor in the cable production process. The width and thickness of the raw copper strip of the sheath and the diameter of the raw copper rod are entered into the data processor; the data of the feeding speed of the raw copper strip, the feeding speed of the raw copper rod and the output speed of the finished cable are collected in real time in the cable production line , and transmit the collected data to the data processor in real time; the data processor will substitute the received data into the pre-recorded formula to calculate the thickness of the copper tube sheath and / or the outer diameter of the conductor in the finished cable, and send out Outputs the current copper pipe sheath thickness and / or conductor outer diameter. This measurement method can monitor the thickness of the copper tube sheath and / or the diameter of the copper conductor in the finished cable in real time without cutting the finished cable, and the measurement process will not cause any damage to the surface and interior of the finished cable.

Description

technical field [0001] The invention relates to a method for measuring cable parameters, in particular to an on-line method for measuring the thickness of a copper tube sheath and the outer diameter of a conductor in the production process of a fireproof mineral insulated cable. Background technique [0002] Fire Mineral Insulated Cable (BTTZ) is usually composed of copper tube sheath, cylindrical copper conductor and magnesium oxide filling material. During the production process, the copper tube sheath is made of straight seam copper formed by rolling and continuous welding of raw copper strips. The tube is rolled, and the copper conductor is formed by rolling and drawing raw copper rods. The thickness or diameter of the copper tube sheath and conductor will change after being drawn by each rolling mill. Under the premise of ensuring that the quality of the finished cable meets the requirements of relevant standards, in order to control the manufacturing cost of the enterp...

AI Technical Summary

Problems solved by technology

In the prior art, there is no method and special equipment for online real-time measurement of the thickness of the copper tube sheath and the diameter of the copper conductor in the fireproof mineral insulated cable. The thickness of the sheath and the diameter of the copper conductor are measured

Especially when the specifications of the products produced are adjusted and changed, in the process of equipment operation and debugging, it is necessary to cut the finished cable many times and measure the thickness of the copper tube sheath and the diameter of the copper conductor, which is time-consuming, laborious and costly. Real-time monitoring of the thickness of the copper tube sheath and the diameter of the copper conductor cannot be realized

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