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Cleaning & Blending Welds

How to remove and blend stainless steel welds
Stainless steel weld removal, blending & finishing - Step 1
Removing welds with a Dynabrade 54400 Right Angle Disc Sander
Method 1.a Weld Removal = Dynabrade 54400 Disc Sander 3M Cubitron II Roloc Discs

Work Hint: Use the finest grade of abrasive that gets the job done; finer grind lines are easier to remove. Align the grind line scratches with the grain line direction of the original stock. Perpendicular scratches are more difficult to blend; parallel scratches blend easily during finishing. Use a 7" dia. black ribbed faceplate to level the weld quickly and leave fine grind lines.

Products to use:

  1. Dynabrade 54400 Right Angle Disc Sander 18,000 RPM
  2. 75mm (3") Abrasive Discs (P36 for extremely hard metals, P60 / P80 to leave a better finish)
Dynabrade 54400 3
Dynabrade 54400 3" (76 mm) Dia. Right Angle Disc Sander .7 hp, 18,000 RPM, Composite
£723.20Incl. VAT:£867.84
Dynabrade 54400 3" (76 mm) Dia. Right Angle Disc Sander .7 hp, 18,000 RPM, Composite available from... Learn More
Removing welds with a Dynabrade 40352 Dynafile II
Method 1.b Weld Removal = Dynabrade Dynafile 40352 3M 784F Cubitron II Belts

Work Hint: Use the finest grade of abrasive belt that gets the job done (P60 or P80); finer grind lines are easier to remove. Align the grind line scratches with the grain line direction of the original stock. Perpendicular scratches are more difficult to blend; parallel scratches blend easily during finishing. Use a 7" dia. black ribbed faceplate to level the weld quickly and leave fine grind lines.

Products to use:

  1. Dynabrade 40352 Dynafile II Powerfile 25,000 RPM
  2. 457mm Ceramic Belts (P36 for extremely hard metals, P60 / P80 to leave a better finish)
Dynabrade 40352 Dynafile® II Abrasive Belt Tool .4 hp, 7 Degree Offset, 25,000 RPM, Front Exhaust, for 1/8
Dynabrade 40352 Dynafile® II Abrasive Belt Tool .4 hp, 7 Degree Offset, 25,000 RPM, Front Exhaust, for 1/8"-3/4" W x 18" L (3-19 mm x 457 mm) Belts
£589.60Incl. VAT:£707.52
Dynabrade 40352 Dynafile® II Abrasive Belt Tool .4 hp, 7 Degree Offset, 25,000 RPM, Front Exhaust,... Learn More
Stainless steel weld removal, blending & finishing - Step 2
Setting the grain with Dynabrade 13204 Dynastriaght Finishing Tool
Method 2.a Grain setting = Dynabrade 13204 Dynastraight Finishing Tool

Use the products below products to generate a directional scratch to prepare stainless steel for final finishing.

Work Hint: Attempt to stay as close as possible to the weld area to minimize final blending. Be careful when selecting the abrasive grade, as severe grind lines will result in more conditioning time and reduced productivity.

Products to use:

  1. Dynabrade 13204 Dynastraight Finishing Tool
  2. 90mm x 395mm Belts for Dynabrade 13204
Dynabrade 13204 Dynastraight® Finishing Tool .7 hp, Straight-Line, 3,400 RPM, Rear Exhaust, 5/8
Dynabrade 13204 Dynastraight® Finishing Tool .7 hp, Straight-Line, 3,400 RPM, Rear Exhaust, 5/8"-11 Arbor
£668.00Incl. VAT:£801.60
Dynabrade 13204 Dynastraight® Finishing Tool .7 hp, Straight-Line, 3,400 RPM, Rear Exhaust,... Learn More

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