简介

中频点焊机是采用400HZ-4000HZ 中频直流逆变技术?的电阻焊设备，?热效率达 95% 以上?，相比工频焊机?节能 40%?，焊接电流控制精度±1%，广泛应用于汽车制造、航空航天、智能家电等领域?

技术原理与核心优势

?工作原理?：三相交流电经整流滤波后，通过逆变器转换为 400HZ-4000HZ 中频方波，再经中频变压器降压，最后整流为直流电输出进行焊接 ??

?对比工频焊机优势?：

?控制精度?：时间调节分辨率达 0.25ms（工频为 20ms），电流控制精度±1%?

?功率因数?：从 0.6 提升至 0.98，对电网污染小

?电极寿命?：延长 3-5 倍，可达 8 万次以上 ?

?设备体积?：变压器体积和重量仅为传统设备的 40% 左右，缩小约 70%??

?节能效果?：整体能耗较传统工频焊机降低 30%-50%，电能转换效率超过 95%??

应用领域与适用材料

?汽车制造?：车身薄板与零部件快速接合、高强度钢、热成型钢和螺母凸焊 ??

?航空航天?：飞机发动机叶片、航天器燃料箱、航空液压管路等关键部件焊接 ??

?电子工业?：电路元件、传感器、线束连接器等微型部件精密焊接

?适用材料?：低碳钢、不锈钢、镀锌板、铝合金、铜、镍、钨、锰等多种金属材料

?特殊场景?：多层钢板焊接、异种金属焊接、带镀层钢板焊接、漆包线不脱漆焊接 

中频点凸焊机产品特点

Product Features of Medium Frequency Spot Welding Machine

1.三相供电，电网均衡，对电网冲击小/3-phase power supply,balanced power grid with less impact

功率因数高达0.7-0.9(工频0.4),大大降低了无功损耗。

The power factor is as high as 0.7-0.9 (power frequency 0.4), which greatly reduces the reactive power loss.

2焊接控制精度显著提高/Greatly improved welding control accuracy

逆变频率达到400Hz以上，焊接电流控制能力、控制精度相对于交流焊机提高了20倍。 The inverter frequency reaches more than 400HZ, and the welding current control and control accuracy are 20 tmes haner than that of AC welding machine.

3焊接质量大幅度飞跃/Great leap in welding quality

电流波形平直，熔核尺寸稳定范围大，飞溅少，焊点表面质量好。 The current waveb is straight, the nugget size is stable with a wide range and fewer splashes, and the surface quality of the soider joint is good.

4节省基础投资、节能/Saving for basis investment and energy

电网功率需求低，仅为交流流电阻焊机的2/3;焊接时间短，电极寿命长。 The power demand of power grid is low. which is only2/3 of that of AC current resistance welding machine: the welding time is reduced and the electrode life is extended.

5人机交互界面、操作简便/HMI for easy operation

可存储多套焊接规范一键调用，焊接电流、时间实时显示；焊接压力、冷水流量、焊接电流监控报警功能。 It can store multiple sets of welding specifications with one-key call, real-time display of welding current and time, as well as welding pressure, cooling water flowrate and welding current monitoring alarm functions

6.丰富的扩展功能/Abundant extended functions

可编程输出，更好地与PLC、机器人等适配。

Programmable output for better adaption to PLC,robot, etc

中频点凸焊机技术参数

Technical beters of medium-frequency spot projection welding machine