Summary Manual 3

The Electroplated
Diamond Tool
by Augusto Laurent
Back issues of Diamante A&T are available
on request for interested operators:
info@gmassdiamante.com
Part I - Diamante A&T no. 25
Notes on general chemistry
Premise - Matter - The states of matter - Solutions - Concentrations
Chemical reaction matter - Salts - Electrolytic dissociation - The pH
Part II - Diamante A&T no. 26
Electrolysis
General notes on electrolysis - The laws of electrolysis
Part III - Diamante A&T no. 28
Electroplating
General equipment and devices
Preparatory treatment - Degreasing - Electrolytic degreasing
Pickling (or Deoxidation) - Washing - Neutralization
Part IV - Diamante A&T no. 30
Electroplating - Some hints about electrochemistry - Relationship intensity, and resistance - Electroplating phenomena - Characteristics of an electroplated component - Principal chemical-physical parameters
Part V - Diamante A&T no. 31 / 32
Current density (CD) - Concentration - Temperature - Conductivity - Specific weight / density - The pH (or acidity) of the bath - Penetrating / levelling power - The bipolar anode
Part VI - Diamante A&T no. 33 / 34 / 35
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
Part VII - Diamante A&T no. 37
Diamond and Electroplating - Toughness - Grit size - Concentration - Manufacture of a standard diamond tool - Parameters - Distribution, current management
Part VIII - Diamante A&T no. 38 / 39
Diamond Coating - Preparation: mechanical, chemical, electrochemical
Part IX - Diamante A&T no. 40 / 41 / 42
Electroforming: introduction, general comments, mould, pattern, matrix - General problems in electroforming, type of deposit, Nickel baths - Electrolyte impurities and defects
Part X - Diamante A&T no. 43 / 44 / 47
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
Part XI - Diamante A&T no. 51
The electroformed diamond roller: nickel-based dynamical electroplating, contacts, anodes, electrolyte, conclusive considerations.