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Electroplating workshop process design manual

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  • Data language: Chinese version
  • Document format: PDF document
  • Data Category: Metal Craft
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Electroplating Workshop Process Design ManualPublished: 2017
Introduction To reduce the pollution of electroplating, improve the quality of electroplating, and reduce the cost of electroplating have always been the subject of the development of electroplating technology. This manual is organized around these three topics. This manual consists of 6 chapters and 35 chapters. The contents include the first commonly used information (basic information on mathematics, physics, chemistry, electroplating, and electroplating), and the second electroplating process (plating of single metal, electroplated alloy, electroplating on special materials, electroless plating, and Metal conversion film treatment, etc.), Chapter 3 electroplating equipment (pretreatment, plating tank, barrel plating and automatic plating line, electroplating power supply, electroplating supporting equipment and laboratory equipment, equipment testing, etc.), Chapter 4 clean production and occupational safety and health Chapter 5, Electroplating Pollution Treatment (Wastewater, Waste Gas Treatment and Waste Liquid, Waste Slag, Sludge Treatment, etc.), Chapter 6 Electroplating Workshop Process Design (Plant Layout, Workshop Personnel, Material and Power Consumption, Design Phase and Content of Electroplating Workshop) And methods, as well as construction, public works, etc.). The manual is comprehensive, focused, and practical. It provides a large amount of data and diagrams for engineering and technical personnel, managers, teachers and students, and related engineering and technical personnel who are engaged in design, production, and scientific research related to the field of electroplating technology. reference.

Chapter 1 Common Information Chapter 1 Mathematical Physics Information 1
1.1 Mathematical Information 1
1.1.1 Unit of measure 1
1.1.2 Conversion of common units 2
1.1.3 Calculation of area and volume of geometry 2
1.2 Physical Information 5
1.2.1 Physical properties of certain elements 5
1.2.2 Density, specific heat capacity and thermal conductivity of matter 6
1.3 The main physical and chemical constants and hardness of water 9
1.4 Electrical Information 11
1.4.1 Power Conversion 11
1.4.2 Resistivity of Materials 11
1.4.3 Characteristics of conductive materials 12
Chapter 2 Chemical Information 13
2.1 Element Symbols and Atomic Weights 13
2.2 Solubility of Common Electroplating Substances 15
2.3 Metal Content and Properties of Common Metal Compounds 21
2.4 Solubility of acids, bases and salts 23
2.5 Relationship between pH and acid and alkali concentration 24
2.6 Metal hydroxide and oxide precipitation pH 25
2.7 Solubility product of poorly soluble substances 26
2.8 Unstable constant of complex ion 28
2.9 Various metal ions to choose from
2.10 Electrolyte Solution 30
2.11 Representation of solution concentration 31
2.12 Conversion of solution concentration 33
Chapter 3 Basics of Electrochemistry and Plating 40
3.1 Electrochemical Information
3.1.1 Electrochemical equivalent 40
3.1.2 Electrode potential 41
3.2 Basic Information on Electroplating 44
3.2.1 Current Efficiency 44
3.2.2 Coating hardness 44
3.2.3 Basic calculations for electroplating 45
3.2.4 Calculation of coating deposition rate 46
3.2.5 Quality of Coated Metals 47
3.2.6 Calculation of the area of plated parts 48
Chapter 4 Plating Selection and Identification Methods 50
4.1 Methods of Protecting Metals
4.1.1 Corrosion protection of surface protection layer 50
4.1.2 Cathodic protection
4.1.3 Treatment of corrosive media 51
4.2 Coating requirements and classifications 52
4.3 Plating Selection 53
4.3.1 Selection of metal or coating in contact with each other 53
4.3.2 Protective Coatings 54
4.3.3 Protection-Decorative Coatings 56
4.3.4 High-hardness wear-resistant coatings 58
4.3.5 Functional plating 59
4.4 Selection of various metal parts protection systems 59
4.4.1 Selection of steel parts protection system 59
4.4.2 Selection of protective layer for aluminum and aluminum alloy parts
4.4.3 Selection of protective layer for magnesium alloy parts
4.4.4 Selection of protective layer for copper and copper alloy parts
4.4.5 Selection of protective layer for titanium alloy parts
4.4.6 Selection of protective layers for other metal parts
4.5 Coating Thickness Series, Application Range and Characteristics 62
4.5.1 Zinc Coating Thickness Series and Application Range 63
4.5.2 Cadmium coating thickness series and application range 65
4.5.3 Copper plating thickness series and application range 67
4.5.4 Tin Coating Thickness Series and Application Range 67
4.5.5 Nickel Coating Thickness Series and Application Range 68
4.5.6 Engineering Chrome Coating Thickness Series and Application Scope 70
4.5.7 Ni + Cr and Cu + Ni + Cr plating thickness series 70
4.5.8 Ni + Cr Plating Thickness Series on Plastic 75
4.5.9 Series and Application Range of Lead Plating Thickness 76
4.5.10 Iron Coating Thickness Series and Application Range 76
4.5.11 Silver coating thickness series and application range 76
4.5.12 Gold plating thickness series and application range 77
4.5.13 Thickness of protective decorative coatings on zinc alloy castings 77
4.5.14 Electroless nickel-phosphorus alloy coating thickness series 78
4.5.15 Copper-tin alloy coating thickness series 79
4.6 Identification methods for metal plating and chemical treatment
4.6.1 Components of identification
4.6.2 Sorting order of identification methods
4.6.3 Metal plating methods and common symbols for chemical treatment 81
4.7 Example of marking for a typical coating 81
4.7.1 Nickel + Chromium and Copper + Ni + Cr Plating on Metal Substrate
4.7.2 Nickel + Chromium Plating on Plastics 82
4.7.3 Decorative Nickel, Copper + Nickel Plating Mark on Metal Substrate 82
4.7.4 Identification of zinc plating and cadmium plating on steel 82
4.7.5 Identification of chrome plating layer for engineering 83
4.7.6 Nickel Plating Marks for Engineering 83
4.7.7 Identification of electroless (autocatalytic) nickel-phosphorus alloy coatings 84
4.7.8 Identification of silver and silver alloy plating for engineering purposes 84
4.7.9 Engineering gold and gold alloy coating identification 85
4.7.10 Identification of tin and tin alloy coatings on metal substrates 85
Chapter 2 Plating Process Chapter 5 Pre-Plating Treatment 87
5.1 Pre-Plating Treatment Methods 87
5.2 Mechanical pre-treatment 88
5.2.1 Sandblasting
5.2.2 Rolling and Brushing 88
5.2.3 Polished 90
5.2.4 Polishing
5.2.5 Batch Decoration
5.3 Degreasing 94
5.3.1 Overview
5.3.2 Organic solvent degreasing
5.3.3 Chemical degreasing
5.3.4 Electrochemical degreasing
5.3.5 Ultrasonic cleaning and degreasing
5.3.6 Wiping and degreasing 99
5.4 Etching 100
5.4.1 Overview
5.4.2 Chemical Etching of Steel Parts 100
5.4.3 Chemical Etching of Copper and Copper Alloy Parts 101
5.4.4 Chemical Etching of Other Metal Parts
5.4.5 Electrochemical Etching
5.5 Contacting Copper and Removing Erosion Residues
5.6 Inter-process rust prevention 105
5.7 Chemical polishing 105
5.7.1 Chemical polishing of steel parts 105
5.7.2 Chemical Polishing of Stainless Steel Parts
5.7.3 Chemical Polishing of Copper and Copper Alloy Parts
5.7.4 Chemical Polishing of Aluminum and Aluminum Alloy Parts
5.7.5 Chemical Polishing of Other Metal Parts
5.8 Electrochemical polishing
5.8.1 Electrochemical Polishing of Steel Parts 109
5.8.2 Electrochemical Polishing of Stainless Steel 109
5.8.3 Electrochemical Polishing of Copper and Copper Alloy Parts
5.8.4 Electrochemical Polishing of Aluminum and Aluminum Alloy Parts

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