Disc brake caliper and manufacturing method of disc brake caliper
After chemical nickel plating has been applied onto a rotor-side surface 10 of a caliper 5a made of aluminum alloy and an opposite surface 11 disposed in an opposite side of the rotor-side surface, nickel-tungsten alloy plating is applied onto these both surfaces 10, 11. Then, gold plating is applie...
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Zusammenfassung: | After chemical nickel plating has been applied onto a rotor-side surface 10 of a caliper 5a made of aluminum alloy and an opposite surface 11 disposed in an opposite side of the rotor-side surface, nickel-tungsten alloy plating is applied onto these both surfaces 10, 11. Then, gold plating is applied onto only the rotor-side surface 10. As a result, a reflectance to incident light on the rotor-side surface 10 is made higher than a reflectance to incident light on the opposite surface 11. |
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