HOW METAL SUNGLASSES FRAMES ARE MADE
When manufacturing metal sunglasses the standard metal frames are created from the wire of varying gauges. Usually, the wire is left rounded and sometimes the thickness of the wires is duly adjusted.
Nickel Silver frames: Predominantly, the low end reader glasses or sunglasses are fabricated with nickel and copper. A mixture of nickel, copper and other alloys is utilized to prepare the wires and subsequently, before getting electroplated to distinct colors, these wires are pressed and tempered. After this entire process, the metal frames are then treated with anti-tarnish coatings. These nickel frames are light in weight and that’s why they are used while producing reading glasses.
Monel: Monel frames are created with a mixture of iron, copper, nickel, manganese and other alloys. Primarily, these frames are light weight and as strong as steel. Furthermore, these frames are corrosion resistant as well. Monel known for its strength and flexibility is utilized in the making of the body of Jet planes. The frames created out of alloys basically passes through a distinct process that gives them a superlative shape, much better than the shape of ordinary metal frames. There is altogether a distinct process as well that make the frames stronger and more resistant to permanent bends. Under this process, nickel-bronze alloys are employed because they get strengthened by heat-aging treatment. The frames which weren’t exposed to the heat-aging process, lose their shape earlier than those frames which undergo the heat aging process or frames which are made out of that metal which gets strengthened by heat aging.
Stainless Steel- One can witness these stainless steel frames in branded pair of shades. The light weight stainless steel frames are composed of minimal amount of chromium and iron carbon. Thin wires are used to prepare these frames which are flexible and adjustable in nature. The stainless steel frames are corrosion and rust resistant.
Magnesium-Aluminum alloys: When both magnesium as well as aluminum is found in molten state, simply mix them and pour the alloy into stainless steel moulds. This will produce a mixture which will be corrosion resistant, highly durable and light in weight.
Titanium: Titanium frames are the most expensive frames available in the sunglasses domain today. These frames comprise the strength of steel but are much lighter than the metal. The colors applied in these frames are in matte finish.
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