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
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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 tempe

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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[0040] Example:

[0041] The automatic spot welding system is mainly composed of ARO automatic welding tongs, welding control cabinets, robots and connecting water and gas cables. ARO welding gun is mainly composed of servo motor driving electrode arm movement, clamping to generate welding pressure), rotating shaft, static electrode arm, moving electrode arm, electrode rod, electrode head, gun body and transformer.

[0042] The control cabinet mainly adopts the 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 pincer side (transformer, diode, etc.). Three-phase 380V input, through bridge rectification to form a DC circuit, and then through inverter, boost, frequency conversion, to form a single AC output. The voltage of the transformer input port is 500-550V, 1000HZ. The secondary...

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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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