This can be accomplished inter alia by diamond
The depth of this shaved strip can be minimal, generally between to mm or more, the criteria being that it provides diamond cut section only on one side of the plate. The metal sheet is then drawn through round die together with soft metal wire core, such as from copper or aluminum, so that the precious metal foil or plate of precious metal, for example gold, of indefinite length having thickness of about 0. 050. 1 mm and width slightly less than the outer circumference of the designated hollow wire crosssection.
Thus, one can provide links having high luster bands or strips along their outer perimeter providing contrasting sparkling fine jewelry chain. The specific depth is immaterial as long as the chain link retains sufficient strength in its wall so that it can be used in preparing hollow link rope chains.
8 or one can shave strips in shapes other than linear, such as zigzag or star shaped, or provide multiple parallel strips FIG. The amount of flattened area of any link will depend on the particular position of the link and the diamond cut strip gives sparkling effect to the chain comparable to classical diamond cut rope chain. The hollow wire inner cross section remains the same throughout each link.
This is accomplished by pulling the precious metal wire along its longitudinal axis having the same curve as the wire perimeter crosssection. In the case of hollow rope chains, The amount of flattened area of any link will depend on the particular position of the link in the chain when the blunt burnishing tool strikes it. 8 or one can shave strips in shapes other than linear, such as zigzag or star shaped, or provide multiple parallel strips FIG.
4. By rotating the lathe drum and advancing the blunt burnishing tool against the links of the chain link in order to obtain reasonable size shiny surface, as illustrated in FIG. The strip is shaved by passing the plate under high speed rotating diamond cutting head rotating at about 8,000 to 20,000 6, having diamond cut strip encompassing the entire outer perimeter of each link.
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