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3) The electroplated diamond tool
Notes on general chemistry Premise - Matter - The states of matter - Solutions - Concentrations Chemical reaction matter - Salts - Electrolytic dissociation - The pH
Electrolysis General notes on electrolysis - The laws of electrolysis
Electroplating General equipment and devices Preparatory tratment - Degreasing - Electrolytic degreasing - Pickling (or Deoxidation) - Washing - Neutralization
Electroplating - Some hints about electrochemistry - Relationship intensity, and resistance - Electroplating phenomena - Characteristics of an electroplated comp. - Principal chemical-physical parameters
Current density (CD) - Concentration - Temperature - Conductivity - Specific weight / density - The ph (or acidity) of the bath - Penetrating / levelling power - The bipolar anode
The control of nickel-plating baths - Complications during plating - The causes - Effect of impurities - Removal of pollutants - The Hull cell - Chemical-physical control - Systems for determination and control of Ph
Diamond and Electroplating - Toughness - Grit size - Concentration - Manufacture of a standard diamond tool - Parameters Distribution, current management
Diamond Coating - Preparation: mechanical, chemical, electrochemical
Electroforming: introduction, general comments, mould, pattern, matrix General problem in electroforming, type of deposit, Nickel baths Electrolyte impurities and defects
The electroformed diamond roller: introduction, the copper process, the copper sulphate bath, electrolyte impurities and defects, procedure for attaching the diamond in the acid copper bath, static nickel-based electroplating, matrix, preparation of the matrix, expansion, coupling of matrix/inner body and machining
The electroformed diamond roller: nickel based dynamical electroplating, contacts, anodes, electrolyte, conclusive considerations.
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