Thats why its expensive to have parts rechromed. Cheap jobs garage door opener 350 es lexus use triple-plating, and therefore wont have a deep shine and wont be as corrosion-resistant. Heres what goes on for your typical chrome-plated part.
First, its chemically dipped to get it back to the bare, unplated metal, and its then machine and hand-sanded to get it down to a smooth surface -or as smooth as it can be, according to the degree of corrosion, scrapes and dents that the part has suffered. garage door opener 350 es lexus that point, the part may have to be repaired, and then its simply a matter of how much youre willing to pay, because serious pitting and unwanted holes can be weld-filled, dents and scrapes knocked out and sections can sometimes even be replaced. The next step is to prep the repaired surface for plating, using a fine abrasive mop, before the first session of electroplating. For a relatively undamaged part, this is likely to be copper flash-plating, a light application of copper to increase the conductivity of the part, to help with the next plating process. But if the part was badly corroded or damaged, the platers may suggest copper heavy-plating a thicker application that acts as a filler, smoothing out the surface of the part.
If heavy-plating is chosen, the part will certainly be repolished before the next stage. Next, the nickel plating, which up to the 1920s was the final finish. This is then garage door opener 350 es lexus before the chrome plating is applied, which adds a deeper lustre to the shine. Finally, the part is inspected and polished. So if you were wondering why youve had to pay so much for your chrome, now you know.