r 性能与特点r
rr ◎ 采用波形控制技术,改善成形,降低飞溅;r
rr ◎ 慢送丝引弧,引弧容易,成功率高;r
rr ◎ 焊接变形小,焊缝成形好;r
rr ◎ 电流电压连续可调,调节范围宽;r
rr ◎ 软开关技术,整机效率高,可靠性高;r
rr ◎ 无源功率因数校正技术,功率因数高;r
rr ◎ 收弧时具有去小球功能。r
rr 主要技术参数rr| r r 产品型号 r r | rr r NB-350 r r | rr r NB-500 r r | rr r NB-630 r r | r
| r r 额定输入电压 r r | rr r 3~380V r r | rr r 3~380V r r | rr r 3~380V r r | r
| r r 额定输入容量 r r | rr r 14.4 r r | rr r 25 r r | rr r 35.8 r r | r
| r r 焊接电压调节范围 r r | rr r 17-31 r r | rr r 17-39 r r | rr r 17-44 r r | r
| r r 额定输入电流 r r | rr r 22 r r | rr r 42 r r | rr r 61 r r | r
| r r 焊接电流调节范围 r r | rr r 60-350 r r | rr r 60-500 r r | rr r 60-630 r r | r
| r r 可用焊丝范围 r r | rr r 1.0-1.2 r r | rr r 1.0-1.6 r r | rr r 1.0-2.0 r r | r
| r r 额定负载持续率 r r | rr r 60 r r | rr r 60 r r | rr r 100 r r | r
| r r 满载效率 r r | rr r 89 r r | rr r 89 r r | rr r 89 r r | r
| r r 功率因数 r r | rr r 0.87 r r | rr r 0.87 r r | rr r 0.87 r r | r
| r r 送丝机类型 r r | rr r 推丝 r r | rr r 推丝 r r | rr r 推丝 r r | r
| r r 外形尺寸:长×宽×高 r r | rr r 576×310×573 r r | rr r 640×334×586 r r | rr r 690×334×586 r r | r
| r r 重量 r r | rr r 40 r r | rr r 50 r r | rr r 58 r r | r
rr





