KLFW has provided detailed photos (below) in an attempt to highlight our comprehensive microscopic laser welding skills. These photos are examples of some common, uncommon, and various engineering changes we have encountered and welded to client satisfaction. (All photos used by client permission only.)

Welds shown here are routinely and successfully welded by the staff at KFLW and are composed of alloys, and likewise welded using the same, or compatible alloys such as:

  • All common tool steels such as A-2, D-2, H-13, S-7, P20, 420, 420F (Royalloy), and many others.
  • Nonferrous alloys such as beryllium copper, Amco alloys, pure copper, aluminum series (2000’s, 3000’s, 4000’s, 5000’s, 7000’s), stainless steel series (300’s, 400’s) in addition to aluminum zinc or aluminum magnesium alloys
  • Preheating high carbon alloys can be avoided due to the inherent advantages of YAG microscopic laser welding.
  • Exotic alloy workpieces composed of 6Al-4V titanium, pure titanium, inconol, waspalloys, L605, Hastalloy, 250 and 350 series marraging (martensetic aging) steels, anviloy, and others.
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To enlarge a photo below, click or tap in the center.

Titanium cylinder with threaded end cap LASER .030 WELD JOINT. (Click Photo In Center To Enlarge)

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Titanium cylinder with threaded end cap LASER .030 WELD JOINTCustomer needed minimum weld, and not to compromise diamond finish. Note the size of ball on the end of the ink pen; this was done with laser process.

316ss Used in Biomedical Industry. (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
316ss Used in Biomedical Industry.These parts were lasered to hold vacuum, wall thickness of tubes .025 – lasered without burn through.

316ss Flange welded to a tube with TIG process (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
316ss Flange welded to a tube with TIG processNote: This process was completed with GTAW “TIG” application. Customer needed a .062 fillet weld to be aesthetically pleasing to the eye and hold vacuum!

954 Ampco Bronze Core pins. (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
954 Ampco Bronze Core pins.Note: Customer needed to restore rounded off edges to be laser weld .015 corner bead to re-grind to sharp edge!

Aluminum Manifold Material 6061 Alloy (BEFORE) (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Aluminum Manifold Material 6061 Alloy (BEFORE)Note: Customer drilled a hold into center of manifold and placed a threaded pipe in place. KFLW was asked to weld this customized manifold to hold pressure, and not to distort the surrounding threads.

Aluminum Manifold Material 6061 Alloy (AFTER) (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Aluminum Manifold Material 6061 Alloy (AFTER)No collateral damage and pressure tested.

H-13 Alloy (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
H-13 AlloyAs you can see these two standing bosses needed their diameters enlarged .010 per side and lengthened .010 each to meet the customers’ needs. This speedy laser job had the customer back on track in a hurry!

H-13 Core Pin (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
H-13 Core PinBall of ink pen is pointed at the lasered weld! Under weld was a 90-degree corner that was ground down .007 away 3 standing features. KFLW was given the task of laser welding this 90-degree corner to be re-ground to its correct dimension without causing collateral damage.

954 Bronze Bearing Lasered (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
954 Bronze Bearing Lasered954 Bronze Bearing Lasered, .006 deposited without going over the flat surface edges

Welding Comparison (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Welding ComparisonCustomer required .030 to lengthen shaft, done with 80's TIG process; also needed .005 deposited on apex of threads, done with today's laser welding technology

Beryllium Copper Core Pin (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Beryllium Copper Core PinNote: 6 standing towers that were worn down. KFLW was asked to laser .005 on top of towers without joining them together with weld.

Aluminum Blocks (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Aluminum BlocksMany aluminum blocks were welded into high pressure directional pockets to direct steam flow in the In and Out cross holes

Aluminum Mesh Seam Weld (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Aluminum Mesh Seam WeldCustomer required seam weld on aluminum mesh

Beryllium Gate Repair (Click Photo In Center To Enlarge)

TIG and YAG laser welding, Keller's Fine Line Welding
Beryllium Gate RepairBeryllium Gate Repair with 420 stainless steel alloy

Laser welded aluminum side cover and held hole tolerance NO MACHINING REQUIRED (Click Photo In Center To Enlarge)

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Laser Welded Aluminum Side CoverLaser welded aluminum side cover and held hole tolerance NO MACHINING REQUIRED

Tire Mold Repair: Layered Aluminum Laser Weld (Click Photo In Center To Enlarge)

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Tire Mold Repair: Layered Aluminum Laser WeldNotice in left picture between the A&T the diagonal Male feature is missing, this is simply corrected by layering aluminum laser weld. NO MACHINING OR BENCHING

Side Wall Plate

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Side Wall PlateLaser repair without voids & sharp edges on each serrations

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