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Automatic double-overlaying control method for abraded large roller shaft

A roll shaft and solder joint technology, which is applied in the field of automatic control system of overlay welding worn roll shaft, can solve problems such as uneven hardness of rolls, failure to achieve original performance, poor handling, etc., and achieve proper control of welding current and welding voltage , Uniform chemical composition and performance, and appropriate welding speed selection

Active Publication Date: 2016-03-30
SHENZHEN RILAND IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the use of large-scale roll shafts, due to large local strength changes, the rolls will be damaged, such as wear, collapse, cracks on the surface of the roll, breakage of the roll, uneven hardness of the roll, etc., which will lead to the scrapping of the roll, especially in cold rolling mills. This phenomenon often occurs in continuous casting steel plants
Because the rollers are made of special steel, and the special steel is manufactured through forging and complex heat treatment process, the price is relatively high, and the annual loss of the rollers in the steel mill is huge, and then it cannot be repaired or cannot be repaired. It was scrapped because of its original performance, which caused great economic losses to my country's metallurgical industry.
[0003] Most of the existing welding is manually operated, which is prone to control errors leading to poor handling, and through manual judgment and control of the surfacing welding of the worn roller shaft, the technical requirements for the operator are high, the efficiency is low, and the accuracy is not high

Method used

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  • Automatic double-overlaying control method for abraded large roller shaft

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Embodiment Construction

[0040] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0041] Any feature disclosed in this specification (including any appended claims, abstract), unless otherwise stated, may be replaced by alternative features that are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0042] Such as figure 1 Shown, the automatic control method of the automatic control system of a kind of surfacing welding wear roller, it comprises:

[0043] Step 1: Input the starting point and end point of the first welding point on the roller shaft in the input module respectively, and convert it into the first starting point digital signal 0011 and the first end point digital signal 0012 and transmit it to the PLC; input the second welding point The starting p...

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Abstract

The invention discloses an automatic double-overlaying control system and method for an abraded of a large roller shaft. A starting point and a terminal point of a welding point on the roller shaft are input into an input module and converted into digital signals which are transmitted to a programmable logic controller (PLC), a corresponding result is obtained through calculation by means of the PLC, and an executing signal is transmitted to a sliding module, an extending and retracting module, a polishing module, a gear module, an overlaying module, a flaw detection module and a heating module. By means of the control system and method, automatic overlaying of the abraded roller shaft is achieved, polishing, cleaning, welding, flaw detection and heating can be conducted on the abraded roller shaft automatically, and manpower resources are greatly saved; in addition, the accuracy and efficiency are high.

Description

technical field [0001] The invention relates to the field of surfacing welding, in particular to an automatic control system and method for surfacing welding worn rollers. Background technique [0002] During the use of large-scale roll shafts, due to large local strength changes, the rolls will be damaged, such as wear, collapse, cracks on the surface of the roll, breakage of the roll, uneven hardness of the roll, etc., which will lead to the scrapping of the roll, especially in cold rolling mills. This phenomenon often occurs in continuous casting steel plants. Because the rollers are made of special steel, and the special steel is manufactured through forging and complex heat treatment process, the price is relatively high, and the annual loss of the rollers in the steel mill is huge, and then it cannot be repaired or cannot be repaired. It was scrapped because of its original performance, which caused great economic losses to my country's metallurgical industry. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K9/18B23K9/235B23K9/095
CPCB23K9/048B23K9/095B23K9/0956B23K9/18B23K9/235
Inventor 张荣斌
Owner SHENZHEN RILAND IND
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