数控中频阻焊控制器.pdfVIP

0 数控中频阻焊控制器 使 用 说 明 书 天津商科数控设备有限公司 电话：022 地址:天津经济技术开发区逸仙科学 工业园庆龄大路 17 号 网址: 邮箱:tjsunke@163.com 目 录 一 引言 ···················································································· 1 二 中频电阻焊接系统组成 ···························································· 1 三 工作方式 ·············································································· 3 四 编程器使用及规范选择方式(新增功能) ········································· 5 五 功能设置 ·············································································· 6 六 电流递增功能、电极修磨 ························································· 7 七 电流监控 ·············································································· 8 八 自由编程输出 ········································································ 9 九 压力步增功能 ······································································ 10 十 中频控制器故障及对策 ·························································· 11 十一 注意事项 ········································································· 12 附表 1 中频控制器编程参数表 ···················································· 13 附表 2 监视参数表 ··································································· 18 附表 3 规范选择输入(X11-4～X11-9)与起动的规范对应关系 ·············· 19 附图 1 输入输出端子接线图 ······················································· 21 附图 2 中频控制器与变压器接线图 ·············································· 22 1 一 引言 逆变焊机控制器的优势 如图所示，中频逆变器输出电流为直流形式。所以焊接过程更加容易控制，焊接速度更快，而且焊 接过程更加稳定。本机的焊接频率为1kHz，所以相对于50hz电源来说，电流的调节过程更快更准确。如 图所示：中频控制器控制的电流输出更加稳定。 电源频率 中频逆变器输出电压 输出焊接电流波形 相对于普通的工频控制器，逆变中频控制器有着如下的优点： 1. 二次焊接回路中流过的电流是直流的。因此由于深入焊接工件中不同的浸深而产生的二次回路 中的感抗对焊接电流的影响大大减小。 2. 焊接变压器的质量大大减轻。 3. 电极寿命更长。 4. 可以焊接铝和镀锌金属等材料，焊接结果良好。 5. 尤其适合于三层板焊接、非常薄的材料的焊接以及精密焊接的要求。 6. 少飞溅 7. 对于电流的控制提高了焊点的质量。 二 中频电阻焊接系统组成 如图所示：整个焊接系统由控制器、中频变压器、工件组成。其中控制器又包含多个部分，有电源 驱动、整流部分、电容板、IGBT、以及中心控制部分。 2 主要特点： 1. 输出电源频率：1KHZ，时间精度为 ms 级； 2. 可编程最多64套焊接规范； 3. 三段加热过程