IEC 60680:1980

FOREWORD
PREFACE
SECTION ONE - GENERAL
Clause
1 Scope
2 Object
3 Definitions
  3.1 Plasma heating
  3.2 Plasma
  3.3 Arc plasma
  3.4 Plasmogenic gas
  3.5 Inductive plasma
  3.6 Plasma generating torch (plasma torch)
  3.7 Nozzle
  3.8 Nozzle channel length
  3.9 Non-transferred indirect arc plasma torch
  3.10 Transferred (or direct) arc plasma torch
  3.11 Superimposed arc plasma torch
  3.12 Plasma flame
  3.13 Plasma jet
  3.14 Plasma spraying
  3.15 Plasma cutting
  3.16 Plasma welding
  3.17 Plasma furnace
  3.18 Plasma melting furnace
  3.19 Open-hearth type plasma furnace
  3.20 Crystallizer type plasma furnace
  3.21 Bottom electrode
  3.22 Equipment for the control of plasma jet stability
       and direction
  3.23 Mean plasma temperature
  3.24 Cathode
  3.25 Anode
  3.26 Vortex
  3.27 Laminar plasma torch
  3.28 Turbulent plasma torch
  3.29 High-frequency ignition device
  3.30 Injection angle
  3.31 Kerf angle
  3.32 Normal operation of a plasma torch
  3.33 Specified current of a plasma torch
  3.34 Useful power of a plasma torch
  3.35 Specified power of a plasma torch
  3.36 Efficiency of a plasma torch
  3.37 Pilot arc
  3.38 Pilot arc power
  3.39 Superimposed power
  3.40 Powder deposition efficiency
SECTION TWO - TECHNICAL TESTS
4 Type and general conditions of tests
  4.1 List of technical tests to be carried out on
       plasma spraying, cutting and welding equipment
  4.2 List of tests to be carried out on plasma heating
       equipment
  4.3 General test conditions
SECTION THREE - DESCRIPTION OF TECHNICAL TESTS
5 Testing and measuring methods
  5.1 Tests applicable to spraying, cutting and welding
       equipment employing a plasma torch(es)
  5.2 Tests on plasma heating equipment
APPENDIX A - Calculation method to obtain average plasma
             temperature
FIGURE 1 (Diagram XIX) - Argon plasma
FIGURE 2 (Diagram XX) - Hydrogen plasma
FIGURE 3 (Diagram XXI) - Nitrogen plasma

Standardizes the test conditions and methods for determining the main parameters and technical characteristics of electroheat equipment using one or more plasma torches.Specifies methods of test for:a)spraying, cutting and welding;b)solid, liquid and gaseous charge heating equipment.