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ARO soldering pliers fault detection method

A technology of fault detection and welding tongs, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of not effectively reflecting the grinding effect, having too many plug interfaces and measurement data, and increasing the judgment time, so as to achieve shortening The effect of fault handling time

Pending Publication Date: 2020-11-06
BEIJING BENZ
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Note: After grinding twice in a row, the test welding cannot effectively reflect the grinding effect, and needs to be inspected at the station
[0013] 3) Transformer temperature too high (Transformer temperature too high)
When the on-site operation equipment fails, if the multimeter is used to measure these data, due to the large number of plug interfaces and measurement data, the fault judgment time will increase

Method used

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  • ARO soldering pliers fault detection method
  • ARO soldering pliers fault detection method
  • ARO soldering pliers fault detection method

Examples

Experimental program
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Effect test

Embodiment

[0041] The automatic spot welding system is mainly composed of ARO automatic welding tongs, welding control cabinet, robot and connecting water and gas cables. ARO welding tongs are mainly composed of a servo motor to drive the electrode arm to move and clamp to generate welding pressure), a rotating shaft, a static electrode arm, a moving electrode arm, an electrode rod, an electrode head, a gun body, and a transformer.

[0042] The control cabinet mainly adopts Bosch6000 series, and the cabinet is mainly composed of PSI controller, air switch, relay, and leakage protection device. The core component is the PSI controller ( Figure 1-3 ), the PSU side is the PSI controller side, and the PSG is the welding clamp side (transformer, diode, etc.). Three-phase 380V input, through bridge rectification, forms a DC circuit, and then undergoes inverter, boost, and frequency conversion to form a single AC output. The voltage at the input port of the transformer is 500-550V, 1000HZ. ...

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Abstract

The invention discloses an ARO soldering pliers fault detection method, which relates to the field of automobile manufacturing. The method comprises ARO soldering pliers servo motor fault detection, ARO soldering pliers transformer fault detection, ARO soldering pliers encoder cable fault detection and network cable function fault detection. The ARO soldering pliers servo motor fault detection comprises servo motor over-temperature detection and pressure measurement loop error detection. The ARO soldering pliers transformer fault detection comprises transformer temperature loop and voltage feedback line state detection. The ARO welding pliers encoder cable fault detection comprises encoder cable state detection. According to the invention, the working principle and common faults of the AROautomatic welding gun are analyzed; according to working characteristics and rapid maintenance requirements of an automatic welding production line, an online fault detection instrument capable of rapidly detecting faults of the ARO automatic welding gun is designed and manufactured, automatic operation of the production line can be rapidly recovered, and yield and economic losses caused by equipment shutdown are reduced.

Description

technical field [0001] The invention relates to the field of automobile manufacturing, in particular to an ARO welding tongs fault detection method. Background technique [0002] With the development of the automobile manufacturing industry, spot welding technology has been more and more widely used. Among them, resistance spot welding is an important branch of welding science and technology. The development of automation and computer technology has widely used spot welding in automobile cabs and cars. Bodywork, aircraft wings, etc. The rapid development of modern computer technology has greatly improved the control technology of resistance to generate heat, increase temperature, and melt contact points to form solder joints locally. [0003] In the body-in-white welding process of automobile manufacturing, the assembly process of the automobile body mainly adopts spot welding technology. Spot welding technology (SpotWelding) is to assemble the weldment into a lap joint, a...

Claims

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Application Information

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IPC IPC(8): G01R31/00G01R27/02G01R31/58
CPCG01R31/00G01R27/02G01R31/58Y04S10/52
Inventor 王欣刘海潮
Owner BEIJING BENZ
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