Guidelines To Gas Tungsten Arc Welding (GTAW) WARNINGARC WELDING ppt

... GTAW WELDING (TIG) 6-1. Lift -Arc And HF TIG Start Procedures Lift -Arc Start When Lift-Arct button light is On, start arc as follows: 1 TIG Electrode 2 Workpiece Touch tungsten electrode to work- piece ... .010 to .030 in. flat (land) on the end to prevent balling and to prevent tungsten from being transferred across the arc. S For welding thin metals, use a 3/32 in. di...

Ngày tải lên: 27/06/2014, 17:20

... .010 to .030 in. flat (land) on the end to prevent balling and to prevent tungsten from being transferred across the arc. S For welding thin metals, use a 3/32 in. diameter tungsten. Compared to ... Procedures Lift -Arc Start When Lift-Arct button light is On, start arc as follows: 1 TIG Electrode 2 Workpiece Touch tungsten electrode to work- piece at weld start point,...

Ngày tải lên: 20/06/2014, 17:20

... 6 − GUIDELINES FOR GTAW WELDING (TIG) 6-1. Lift -Arc And HF TIG Start Procedures Lift -Arc Start When Lift-Arct button light is On, start arc as follows: 1 TIG Electrode 2 Workpiece Touch tungsten ... .010 to .030 in. flat (land) on the end to prevent balling and to prevent tungsten from being transferred across the arc. S For welding thin metals, use a 3/32 in. diameter...

Ngày tải lên: 27/06/2014, 05:20

... rack to prevent falling or tipping. D Keep cylinders away from any welding or other electrical circuits. D Never drape a welding torch over a gas cylinder. D Never allow a welding electrode to touch ... from opera- tor as practical. 5. Connect work clamp to workpiece as close to the weld as possi- ble. About Pacemakers: Pacemaker wearers consult your doctor before welding or...

Ngày tải lên: 20/06/2014, 17:20

... have to be filled and what their row and column entries are. A proper way to proceed in this phase is to divide the SAM into blocks (e.g. allocation of sectoral value added to production factors, ... Inclusion of factor accounts. In some cases, value added from business activities is not allocated first to all kinds of production factors, and subsequently to the owners, but...

Ngày tải lên: 06/03/2014, 21:20

... position mmmm mmmm mm mmmm mmmm mm AA AA A VV VV V ▼ WwW.oto-hui.com 1 CONTENTS Introduction Fusion welding 2 Why use welding? 3 Arc welding processes 4 Welding terms 5 MIG/MAG welding 6 TIG welding 10 Plasma welding 17 Welding sheet 18 Welding ... chosen to suit the process. WwW.oto-hui.com 10 Air Products Welders Handbook Tungsten inert gas welding Principles Tu...

Ngày tải lên: 25/02/2014, 10:20

... is the most dif- ficult welding skill to master. When welding overhead, use a welding motion that draws arc out and slightly away from the crater to allow weld puddle to so- lidify. When weaving ... amperage. Improper welding technique. Place stringer bead in proper location(s) at joint during welding. Adjust work angle or widen groove to access bottom during welding. Mo...

Ngày tải lên: 20/06/2014, 17:20

... Strip Welding overhead is the most dif- ficult welding skill to master. When welding overhead, use a welding motion that draws arc out and slightly away from the crater to allow weld puddle to so- lidify. When ... rack to prevent falling or tipping. D Keep cylinders away from any welding or other electrical circuits. D Never drape a welding torch over a gas cylinder. D...

Ngày tải lên: 27/06/2014, 05:20

... welding. Insufficient shielding gas at welding arc. Increase flow of shielding gas at regulator/flowmeter and/or prevent drafts near welding arc. Dirty welding wire. Use clean, dry welding wire. Eliminate ... Wire. S Welding Gun - delivers electrode wire and shielding gas to the weld puddle. S Shielding Gas Cylinder - provides a supply of shielding gas to the ar...

Ngày tải lên: 27/06/2014, 17:20

... Our Guidelines to Email and SMS Communications 2– 3 Our Guidelines to Email and SMS Communications The aim of our Guidelines to Email and SMS Communications is to help you understand ... messages, to and from mobile phones. Secure Mail: Is a messaging service within Internet Banking used to inform customers about account or servicing matters. Secure Mail is linked to...

Ngày tải lên: 07/03/2014, 10:20