Argweld® Trailing Shields (Power Point Presentation)
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ARGWELD® Product Presentation Trailing Shields

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 2 ARGWELD® Trailing Shields

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 3 Main features ¡ Designed for effective gas coverage of titanium alloys, duplex steels, stainless steels and other reactive metals. ¡ Ensures welds are left bright and shiny and eliminates both discolouration & oxidation. ¡ Fit any make of Tig ,Plasma, or Mig welding torch for manual or automatic welding. ¡ For use on flat sheet or plate & internal or external welds on tubes, pipes, tanks, vessels, heat exchangers etc. ¡ Reduces gas consumption, saves re-work & eliminates wasted material costs, due to oxidation.

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 4 Main features continued ¡ Light weight and easy for welders to use ¡ Flexible silicone side walls to create closed inert gas chamber ¡ Replaceable silicone rubber side walls ¡ Auxiliary hoses for greater shield gas coverage where required ¡ Triple mesh gas distribution system non turbulent gas flow

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 5 Potential Customers ¡ Aero engine manufacturing and maintenance companies ¡ Racing and sports car manufacturers ¡ Semi conductor, Petrochemical, Food, Dairy Piping Fabricators ¡ Boiler, Heat Exchanger, Vacuum Tank, Cryotank manufacturers ¡ Every Titanium alloy and Stainless Steel fabricator wishing to save money by eliminating cleaning costs

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 6 Example A typical costing of weld with trailing shield vs one without: 36'' Ø Tank, vessel or pipe UK List price: Trailing Shield for a 36'' Ø tank… £196 36'' Ø Pipe/Tank Stainless Steel welded with no TRAILING SHIELD used 36'' Ø Pipe/Tank Stainless Steel welded with an ARGWELD® TRAILING SHIELD Grinding time1 hr (est.) £30.00 £0.00 Pickling costs £10.00 £0.00 Pickling disposal (subject to use £10.00 £0.00 Grinding consumables £10.00 £0.00 Administration costs* £100.00 £10.00 (1 product only) Pickling Time 1 hr (est.) subject to use...

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 7 Fast Payback ¡ 2 Welds achieves payback ¡ The use of a trailing shield of some kind for titanium welding is almost mandatory, for the applications where the product cannot be placed inside a Welding Enclosure ¡ When welding smaller titanium components, that could be placed in a Welding Chamber of some kind, Trailing Shields might be dramatically more cost effective than the use of a Welding Chamber

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 8 Features Trailing Shields for automatic welders ¡ Longer and wider to accommodate heavier duty automatic Tig, Plasma & Mig welding applications. ¡ Additional gas hoses provided for extra gas shielding needed with automatic welding techniques.

USING PROVISIONAL DAM SYSTEMS ar ARGWELD® Trailing Shields 9 Automatic Inline Seam Welder Front: trailing shield, homemade. Rear: Argweld® Trailing Shield. Argweld Trailing Shield Homemade Trailing Shield

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 10 Trailing Shield – Internal welding Trailing shield for internal welding of large diameter pipes and tubes, tanks and vessels.

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 11 Trailing Shields – Family shot Family of shields for Automatic Welding Machines. All have secondary gas shield delivery.

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing shields 12 Trailing Shield – External welding Trailing shield for the external welding of pipes and tubes

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing shields 13 Trailing Shield – Fitted to Mig torch

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing shields 14 Trailing Shield – Used outside How a Trailing Shield can be used on the outside of a circumferential weld. (inset bottom right : finished weld with no discoloration)

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 15 Trailing Shield – Automatic welding Trailing Shield for automatic welding machine used for flat plate (Note dual shield gas supply) A) 250 mm/10” approx Body length B) 320 mm/12.6” approx Length including gasket C) 50 mm/2” approx Body width D) 75 mm/3” approx Width including gasket

USING PROVISIONAL DAM SYSTEMS ARGWELD® Trailing Shields 16 Inside view Trailing Shield Inside view of a Trailing Shield, showing gauze mesh for uniform gas distribution and high temperature resistant silicone rubber replaceable skirts.

ARGWELD® All photos courtesy of Huntingdon Fusion Techniques Limited, UK. Thank you 2010