FANUC机器人培训资料讲解.ppt

Stickout 干伸长 熔化极气体保护电弧焊工艺参数 Wide Range of Voltage and Amperage 适用很大的电压电流范围 Variation of Spray Arc Capable of All Position Welding 各种脉冲电弧可以使用多种位置焊接 Two Current Levels are Utilized 使用两种电流 Peak (Pulse) and Background 峰值电流 基值电流 Pulse Spray Transfer 脉冲喷射过渡 Advantages 优势 Better Fusion than Short Circuiting Metal Transfer 比短路过渡熔合性好 Less Undercut 咬边少 Less Smoke 烟尘少 Low Spatter 飞溅小 All Positions 全位置焊 Lower Heat Input than Full Spray Metal Transfer 比喷射过渡热输入量小 Limitations 局限性 Requires Clean Material 母材需清理 Harsh on Gun Consumables 焊枪损耗多 More Expensive Gas than Short Circuit and Globular 比短路过渡和滴状过渡保护气体贵 More Expensive Equipment than Conventional Modes 焊接设备比普通过渡形式贵 Pulse Spray Transfer 脉冲喷射过渡 When to Use何时使用: High Voltages 高电压 ( 23V To 33V ) Two Amperages Levels- Peak and Background 两种电流-峰值和基值电流 ( 200A To 500A ) Wire Electrode Size焊丝尺寸: Typical Wire Diameters (0.045 in And Larger) 典型尺寸 (1.20 mm 或更大) Shielding Gases Used所用气体: 90% Ar with 10% CO2, 95% Ar with 5% O2, 98% Ar with 2% CO2, or 98% Ar with 2% O2 Pulse Spray Transfer 脉冲喷射过渡 * Stable CV Transfer Modes 稳定的CV过渡模式 Short Arc 短路过渡 Globular Arc滴状过渡 Spray Arc 喷射过渡 WFS (current) Increasing 送丝速度（电流）增加 Voltage Range 电压范围 * STT Surface Tension Transfer表 面 张 力 过 渡 技 术 * Basics 基本概念 S.T.T. = Surface Tension Transfer 表面张力过渡 Research Began July 1985 1985年开始研究开发 Purpose is to develop a welding process which eliminates spatter when use 100% CO2 shielding gas 目的是为了开发一种使用CO2保护气体而没有飞溅的焊接方法 STT is a Unique GMAW Process 一种独特的气保护焊接工艺 * Neither CC Nor CV 既不是恒流源也不是恒压源 Based on interactive WAVEFORM CONTROL TECHNOLOGYTM 基于交互式波形控制技术 Based on High Speed Inverter Technology 基于高速逆变技术 Precision Current Controlled Short Arc 精密电流控制的短路过渡焊接 Basics 基本概念 * Advantages 优点 Low spatter 低飞溅量 Low fume 低烟尘 Low cost Gas 低气体成本 Controlled Heat Input 可控制的热输入量 All Position 可进行全位置焊接 Good Fu