点焊机器人焊机系统故障诊断及保护电路的研究

本文介绍了HRGD型点焊机器人焊机系统故障诊断及保护电路的组成和工作原理。其中主要有:阻焊变压器、晶闸管开关过热故障诊断及保护电路;气路失压、焊钳意外碰撞故障诊断及保护电路;晶闸管开关短路常通故障诊断及保护电路。晶闸管开关单管工作故障诊断及保护电路。其中,许多故障诊断及保护电路亦可用于普通点焊机上。

Troubleshoot and Protective Circuit Study of Welding System in Spot Welding Robot

The forms and the operational principles for troubleshoot and protective circuit of welding system in HRGD spot welding robot are introduced in this paper.It includes: RW transformer, transistor switch overheat troubleshoot and protective circuit; loss of gas circuit pressure, accidental collision troubleshoot and protective circuit of the electrode holder-, live troubleshoot and protective circuit of the transistor switch short circuit; single transistor working troubleshoot and protective circuit of the transistor switches Many troubleshoots and protective circuits can be also used on the conventional spot welding machines.