我厂以往一直使用上海气焊机厂生产的CG_1-130型半自动切割机,该机性能虽然比较理想,但在长期使用中,总感到有些不足之处,如: (1) 机体重量大(18公斤),一般需要两人操作,搬动不太方便; (2) 因为轨道采用角钢制成,故其刚度和重量都比较大,对厚度在10毫米以下的有波浪形起伏的钢板切割,使用不很理想; (3) 清除割嘴内孔毛刺或调试喷嘴火焰时,必须拆装割炬,操作不很方便。针对这些不足之处,我们作了改进,试制了一种超小型半自动切割机(图1)。经几年来的实际使用考验,性能比较满意。超小型半自动 In the past, our factory has been using the CG_1-130 semi-automatic cutting machine produced by Shanghai Gas Welding Factory. Although the performance of this machine is ideal, it always has some shortcomings in long-term use, such as: (1) Kg), generally require two people to operate, moving is not easy; (2) because the track is made of angle steel, so the rigidity and weight are relatively large, the thickness of 10 mm below the corrugated steel cutting, use Not ideal; (3) remove the burr hole cutting nozzle or nozzle flame debugging, you must dismantle the torch, the operation is not very convenient. In response to these deficiencies, we made improvements to prototype a small semi-automatic cutting machine (Figure 1). After several years of actual use test, the performance is more satisfactory. Subminiature semi-automatic