Miller Electric Welding manual

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Processes

Description

Plasma Arc (P A W) Welding

OM-169 510

June 1995

Automatic Welding

Robot PAW Interface

Contents

Main Robot PAW Interface Page EMF INFORMATION Considerations About Welding And The Effects Of Low Frequency Electric And Magnetic Fields NOTE TABLE OF CONTENTS Page SECTION 1 SAFETY PRECAUTIONS AND SIGNAL WORDS SECTION 2 INTRODUCTION SECTION 3 INSTALLATION Page Figure 3-3. MRH2 Shock Sensor Unit Assembly And Installation Figure 3-4. MRV2 Shock Sensor Unit Assembly And Installation Page Page Transport circuit boards in proper static- shielding carriers or packages. Perform work only at a static-safe work area. Page TB1 (IN) SHOCK SHOCK Figure 3-9. Function Control Terminal Block TB1 On Interlock Board Inside Robot Control INCOM INCOM LAMP AUTO TEACH ST#1 ST#2 ST#3 STOP SV. ON SV. ON Before operating, see Section 4 and ro- bot Owners Manual for instructions for absolute offset adjustment. Install positioning gauge (universal J-bar for MRH or I-bar for MRV Page Page Thoroughly purge plasma torch gas line before starting pilot arc. Keep away from the torch tip. Pilot arc can cause burns keep away from torch tip when pilot arc is present. Gas flow and pilot arc stop when an Emergency Stop button is pressed. SECTION 4 ROBOT PROGRAM MODIFICATIONS Do not touch live electrical parts. Follow entire procedure in presented or- der. Page Page Page Page Page Page Page Page Page Page SECTION 6 HF IN PLASMA ARC WELDING WARNING Figure 6-2. Sources Of High-Frequency Radiation From Incorrect Installation Figure 6-3. Correct Installation SECTION 7 PARTS LIST