electroforming वाक्य
उदाहरण वाक्य
मोबाइल
- If vinyl pressings are wanted, the still-unplayed sound disc is used as a mandrel for electroforming nickel records that are used for manufacturing pressing stampers.
- Compared to other basic metal forming processes ( casting, forging, fabricating ) electroforming is very effective when requirements call for extreme tolerances, complexity or light weight.
- "' Electroforming "'is a metal forming process that forms parts through electrodeposition or electroplating on a model, known in the industry as a mandrel.
- "' Electroformed "'bellows are produced by plating ( electroforming ) a metal layer onto a model ( mandrel ), and subsequently removing the mandrel.
- This tendency can be reduced by a process known as periodic reverse, where the plating current is reversed for short periods during electroforming and the excess is preferentially etched away.
- The mother-father sandwich is carefully separated and the mother is then washed, passivated and returned to the electroforming baths to have a mirror image produced on it called a son.
- He is the author of the entry on " Electroforming " for the Encyclopaedia of Production Engineering ( 2013 ), and a volume editor for Comprehensive Materials Processing " ( 2014 ).
- Moty received her MFA in 1971 from the Tyler School of Art where she studied with Stanley Lechtzin, a leader in the metals and jewelry field for his research and advancements in electroforming.
- After moving back to California in 1965, she resumed her education, and received a fellowship from the National Endowment for the Arts to study electroforming techniques and their application to jewelry and metalsmithing.
- When only a few hundred discs are required, instead of electroforming a " son " ( for each side ), the " father " is removed of its silver and converted into a stamper.
- Cut " wax " sound discs would be placed in a vacuum chamber and gold-sputtered to make them electrically conductive for use as mandrels in an electroforming bath, where pressing stamper parts were made.
- "' Electroplating "'is a process that uses electric lubricity, aesthetic qualities, etc . ), but may also be used to build up thickness on undersized parts or to form objects by electroforming.
- Targray has sold materials used in the fabrication of optical discs and DVDs since it was founded in 1989 . The company is a global supplier of mastering, replication and electroforming materials used in the manufacturing of optical media products.
- This is done with relative ease because no actual " plating " of the mandrel occurs in the type of electrodeposition known as electroforming, unlike with electroplating, in which the adhesion of the new phase of metal is chemical and relatively permanent.
- In the vinyl record manufacturing process, an acetate master disc is cut and electroforming is used to make negative metal molds from it; each mold, known as a stamper, can be used to press thousands of vinyl copies of the master.
- The " sons " are then converted into " stampers " by center-punching a spindle hole ( which was lost from the lacquer sound disc during initial electroforming of the " father " ), and by custom-forming the target pressing profile.
- Producing mothers was similar to electroforming Masters, except the time allowed to turn-up to full current was much shorter and the heavier Mothers could be produced in as little as one hour and stampers ( 145 grams ) could be made in 45 minutes.
- Home to the National Liberty Museum ( featuring all exhibits by international glass artists ), Philadelphia hosts the non-profit P . I . P . E . program, with residencies for artists that use glass as well as metal, electroforming on glass, and bronze casting.
- The " sons " made during a " three-step " electroforming make better stampers since they don't require silver removal ( which reduces some high fidelity because of etching erasing part of the smallest groove modulations ) and also because they have a stronger metal structure than " fathers ".
- The metal stamper first struck from the metal-coated glass is the metal master ( and we shouldn't make a master from another master as that would not follow the nomenclature of the sequence of siring that is germane to electroforming ) This is clearly a method opposite to normal electroplating.
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