كتاب Guidelines To Gas Tungsten Arc Welding

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Guidelines To Gas Tungsten Arc Welding

ويتناول الموضوعات الأتية :

SECTION 1 − SAFETY 1
SECTION 2 − THE TIG PROCESS 2
2-1. What Is TIG 2
2-2. GTAW (TIG) Connections 2
2-3. TIG Advantages 3
2-4. TIG Disadvantages 3
2-5. AC Sine Wave 4
2-6. Zero Crossover Area 4
2-7. Squarewave Imposed Over A Sinewave 5
2-8. Conventional Squarewave AC 5
SECTION 3 − ARC SHAPING CAPABILITIES 6
3-1. Arc Starting Methods 6
3-2. Balance Control 6
3-3. AC Frequency Adjustment Control 7
3-4. Amperage Adjust Control 7
3-5. Frequency Adjustment Control − 60 Hz 8
3-6. Frequency Adjustment Control − 200 Hz 8
3-7. Suggested Inverter Power Source Starting Parameters For Various
. Aluminum Joints 9
3-8. Suggested Inverter Power Source Starting Parameters For Various
. Aluminum Joints (Continued) 10
SECTION 4 − TUNGSTEN SELECTION AND PREPARATION 11
4-1. Safety Information And Selecting Tungsten Electrodes 11
4-2. Selecting A Tungsten Electrode 11
4-3. Proper Tungsten Preparation 11
4-4. More About Tungsten Preparation 12
4-5. Tungsten Shape For AC Sine Wave & Conventional Squarewave 13
4-6. Tungsten Shape For Inverter AC & DC 13
SECTION 5 − TIG SHIELDING GASES 14
5-1. TIG Shielding Gases 14
5-2. Argon vs. Helium 14
5-3. Argon/Helium Mixes 15
SECTION 6 − GUIDELINES FOR GTAW WELDING (TIG) 16
6-1. Lift-Arc And HF TIG Start Procedures

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كتاب Guidelines To Gas Tungsten Arc Welding 761752

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