Document Outline

• Cover
• Table of Contents
• Chapter 1. Introduction to Orbital Welding with the Model 307 Power Supply
• Chapter 2. Safe Operating Procedure - Safety Precautions for Model 307 Operation
  • RF and EMI Emissions
  • Model 307 Do’s and Don’ts
  • WARNINGS!
    • Safety Precautions
• Chapter 3. Model 307 Icons, Buttons, and Symbols
  • Table I. Model 307 TOOLBAR ICONS
  • Table 2. Buttons used on the Model 307 Power Supply
  • Table 3. Computer Icons used on Model 307
  • Table 4. Graphical Symbols used in this Manual
• Chapter 4. Model 307 Power Supply Installation
  • EQUIPMENT INSTALLATION
  • POWER CONNECTION
  • ADAPTER CABLE TO MODEL 307 INSTALLATION
  • Weld Head Motor Control Cable
  • Welding Gas Connections
  • WELD HEAD INSTALLATION TO ADAPTER CABLE
  • MODEL 307-CW INSTALLATION
  • MANUAL TORCH INSTALLATION
    • M-307 TO MODEL 8, 9 or MODEL 4 WELD HEAD HOOK UP
• Chapter 5. Model 307 Weld Parameters/ Sequence of Events
  • Programmable Variables
    • PROGRAMMABLE VARIABLES: Single Entry
• Chapter 6. Power Supply Functions and Operations
  • Opening (Home) Screen: When the 307 Circuit Breaker is turned to the ON position, the Home Page (below) will appear.
  • Open Last Schedule
  • System Setup Functions
• Chapter 7. Model 307 Library
  • Opening an Existing Weld Schedule
  • Once the Schedule name has been highlighted, the Folder functions change to Schedule buttons and the Open Schedule button appears. Touching the Open Schedule button displays the Weld Schedule Main Screen. See Chap ters 6 and 11 to follow guid...
  • Library Folder Functions
  • Copying a Folder from the Local Library to a Floppy Drive
  • Library Weld Schedule Functions
• Chapter 8. Autogeneration of New 307 Weld Schedules
  • Autogeneration of a Continuous Weld Schedule
  • Autogeneration of a Continuous Weld Program
  • Weld Schedule- Weld Levels scrolled down to view Level Time
  • Autogeneration of a STEP Program
  • Creating an Orbital Tack Weld Program
• Chapter 9. Manual Creation of 307 Weld Schedules
  • Programming Single Entry Weld Parameters
  • Programming Levels/Segments Parameters
  • Determination of Welding Currents
  • Creation of a Weld Program in Travel (Rotation) Step Mode
  • Size Considerations
    • Example Weld Schedule for the AMI Manual Torch
• Chapter 10. Associated Data -
  • Associated Data - Tube 2
  • Associated Data - Gas
  • Associated Data - Electrode
  • Weld Schedule Counter and Alert Reset
• Chapter 11. Welding with the Model 307
  • BEFORE YOU WELD: This is a check list for things that must be done correctly or set up properly in order to get consistently good welds. Anyone doing an orbital welding installation or other orbital welding project should estab lish their own...
    • Weld Defect Troubleshooting Chart
• Chapter 12. Weld Procedure Optimization
  • Making a Test Run
• Chapter 13. Weld Head Calibration and Operation
  • Weld Head Templates.
  • Tungsten Electrode Installation in Weld Head
  • Installation of Tube Clamp Inserts
  • Tube Installation to the weld head
  • Tungsten Extenders - E type heads and “mushroom” tungsten extenders
  • Manual Calibration of Weld Heads
    • Table 1: RPM and Times for Manual Calibration of Weld Heads
• Chapter 14. End-Preparation for Orbital Welding
  • Cleaning/Surface Condition
  • Prepping Equipment
  • Tungsten Type - AWS color code
• Chapter 15. Tungsten Electrode Specifications for Orbital Fusion Welding
  • Tungsten Type
  • Importance of Tungsten Geometry
  • Arc Gap
  • Tungsten Diameters
  • Taper Angle and Tip Shape
  • Tungsten Life
  • Model 307 Electrode Calculator
  • Electrode Diameter
    • Table 1: TUNGSTEN LENGTH AND GEOMETRY
      • Table 1. GAS FLOW RATES AND PREPURGE/POSTPURGE TIMES
• Chapter 16. Purging Requirements for Orbital Welding
  • Gas type
    • Argon
    • Hydrogen mixtures
    • Nitrogen
  • Heat tint/discoloration
  • Purity requirements
  • Purging techniques
    • O.D. Purge
    • I.D. (Back) Purge
    • I.D. Pressure
    • Purging techniques
• Chapter 17. Weld Criteria/QA-QC
  • Types of Defects that are Disallowed
  • Visual Weld Criteria
    • Concavity and convexity.
    • Misalignment
  • Tack welds
  • Discoloration
  • Slag islands
  • Company Weld Specifications
  • Inspection Techniques and Requirements
  • Use of Test Coupons
    • Test coupons should be made:
• Chapter 18. Data Acquisition/Advanced Functions
  • Project Data Acquisition consists of three elements. These are:
    • Weld Data Records
    • Entering a Weld Identification Number
    • Searching for existing Weld Data Records (WDRs).
    • Printing and Exporting Weld Data Records
    • Once a Weld Data Record or group of records has been selected, they can be printed out on any printer connected to the Power Supply. The records can also be exported to any storage device connected to the power supply; this includes network c...
  • Report Setup
  • Streaming Data
    • Sampling of the Data
    • Weld Schedule -Linear graph
  • Performance Monitoring
  • Model 307 Advanced Functions
    • Weld Head Wizard
    • Weld Head Wizard
    • Weld head notes
    • Manage Weld Heads
  • Appendix 3. Welding Operator Qualification to ASME Section IX of the BPVC
• Chapter 19. Appendices
• Index