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LaserStar

Optical Repair Laser Welding

Tips for Basic Eyeglass Repair with Laser Welding

Eyeglasses are very rarely composed of noble metals. Therefore, the alloy is a “mystery.” Most “mystery” metals usually melt at a low temperature, low Voltage (V) and low Milliseconds (MS). That is why it is recommended to begin with very low parameter settings and slowly work up on the Voltage (V) and Milliseconds (MS). Due to the metal densities, there are two basic methods used in repairing eyeglasses.

They are as follows:

Method 1 - Direct Welding

Prepping and Setting the LaserStar

Prep the eyeglasses by lightly filing the broken area to a flush fit. Set the LaserStar to achieve a proper keyhole weld.

Tacking

Tack the frames in two or three places to hold the frames together and check alignment.

Run a Bead

Once the frames are straight, run a welding bead by using the 50% overlap technique to run the bead completely around the broken section.

Optical Repair using the LaserStar Welder

Optical Repair Using the LaserStar Welding System

Optical Repair Using the LaserStar

Filling

Use the LaserStar filler wire that is an appropriate match for the color of the plating, i.e. Gold Plate = 10K YG filler, Silver Plate = Silver Solder or 10K WG filler.  Use the same parameter settings that were used for the Keyhole Weld to lie in the filler wire.  If the settings are too strong or too weak, readjust the Voltage (V), Milliseconds (MS) or the Beam Diameter (Ø).

Hammering and Smoothing

Increase the Beam Diameter (Ø) and the Hertz (Hz) to smooth, or hammer the filler material.  Test the frames to see if they will hold up to average pressure.

Optical Repair Using the LaserStar

Optical Repair Using the LaserStar

Method 2 - Capping

Prepping and Setting the LaserStar

Prep the eyeglasses once again by removing any filler material and/or brittle alloy, making sure the joints once again fit flush. Set the LaserStar to achieve a proper keyhole weld. 

Apply filler material to both contact points of the eyeglass frames, making sure there is a small “mound” or “cap” of filler material on each side when finished.

Re-Prep the Eyeglasses

Bring the eyeglasses back to the bench and re-prep them by lightly filing the “mounds” of filler material until the contact points once again fit flush.

Note: Do not remove all of the filler material, just enough to fit the pieces flush.

Optical Repair Using the LaserStar

Optical Repair Using the LaserStar

Optical Repair Using the LaserStar

Welding the Eyeglasses

Once the Keyhole Weld has been established, follow the steps in Method 1. Finished Eyeglass Frame sample below.

Optical Repair Using the LaserStar

Optical Repair Using the LaserStar


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Developer Tools

Database Activity Performance Tracking Cache Storage Session Storage
0.9370991 seconds
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25. 0.2517832 SqlBASE.GetDataTable show Text SELECT ID, PageKey, PageTitle, PageHeading, MenuText, IsMenuItem, CASE WHEN ID = 99 THEN 1 WHEN ID show - 0.0156317
26. 0.2517832 DBInterface.GetDataT show Text SELECT TOP(1) ID, Content FROM HTMLMiscContent WHERE SiteID = 1 AND ContentKey = 'Header Phone Numbe show - 0
27. 0.2517832 DBInterface.GetDataT show Text SELECT TOP(1) ID, Content FROM HTMLMiscContent WHERE SiteID = 1 AND ContentKey = 'Header Phone Numbe show - 0
28. 0.2517832 DBInterface.GetDataT show Text SELECT TOP(1) ID, Content FROM HTMLMiscContent WHERE SiteID = 1 AND ContentKey = 'Header Phone Numbe show - 0
29. 0.2517832 DBInterface.GetDataT show Text SELECT TOP(1) ID, Content FROM HTMLMiscContent WHERE SiteID = 1 AND ContentKey = 'Header Phone Numbe show - 0
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37. 0.2986548 DBInterface.get_oSQL show StoredProcedure [dbo].[VirtualSitePropertiesLoadBySiteID] @SiteID=1
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38. 0.2986548 DBInterface.GetDataT show StoredProcedure [dbo].[VideoMenu_Load] - 0
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