一、前言本文介绍采用微型计算机大幅度提高省力化功能的半自动电弧焊机“日立 Micom-Auto”焊机(以下略称 MA 焊机)。由于熔化极半自动电焊机比较适合对焊接操作提出的合理化和省力化要求,故作为一种主要焊接设备在电弧焊工作中正在获得广泛应用。在普及应用的同时,人们还迫切希望能够 I. INTRODUCTION This paper introduces the semi-automatic arc welder “Hitachi Micom-Auto” welder (hereinafter referred to as MA welder) that greatly improves the labor-saving function by using the microcomputer. As a melting electrode semi-automatic welding machine is more suitable for the welding operation of the rationalization and labor-saving requirements, it is a major welding equipment in the arc welding work is being widely used. In the popularization of applications at the same time, people are still eager to be able to