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Casting defects handbook : iron & steel / / George Goodrich, technical editor
Casting defects handbook : iron & steel / / George Goodrich, technical editor
Pubbl/distr/stampa American Foundry Society
Altri autori (Persone) GoodrichGeorge M
Soggetto topico Steel castings
Steel founding
Iron founding
Cast-iron
ISBN 1-5231-1955-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9911007156703321
American Foundry Society
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Casting Equipment Engineering Guide
Casting Equipment Engineering Guide
Autore Nath Jagan
Edizione [1st ed.]
Pubbl/distr/stampa Materials Park : , : A S M International, , 2023
Descrizione fisica 1 online resource (226 pages)
Soggetto topico Aluminum castings
Iron founding
Metal castings
Steel castings
ISBN 9781627084475
1627084479
9781523157884
1523157887
9781627084468
1627084460
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Contents -- Preface -- About the Author -- Casting Manufacturing Layout-Principles and Guidelines -- 1.1 -- 1.1.1 -- 1.1.2 -- 1.1.3 -- 1.1.4 -- 1.1.4.1 -- 1.2 -- 1.2.1 -- 1.2.2 -- 1.2.3 -- 1.3 -- Appendix -- Sand and Metal Charge Storage and Handling -- 2.1 Metallic Charge Materials -- 2.1.1 Large Bulk Amounts -- 2.1.2 Smaller Packages -- 2.2 Raw Material Handling -- 2.2.1 Metallic Charge Materials - Large Bulk Amounts -- 2.2.2 Nonmetallic Materials - Large Amounts of Silica and Olivine Sands -- 2.2.3 Nonmetallic Materials - Coke and Limestone -- 2.2.4 Nonmetallic Materials - Bentonite, Sea Coal, and Dextrin -- 2.2.5 Nonmetallic Materials - Resin Binders, Sodium Silicate, and Mold Coatings -- 2.3 Scrap-Breaking Equipment -- 2.4 Sand Drying, Cooling, and Storage -- 2.4.1 Types of Sand Dryers -- 2.4.1.1 Advantages of Drum or Rotary Dryers -- 2.4.1.2 Advantages of fluidized bed dryers -- 2.4.2 Drum or Rotary Dryers and Coolers -- 2.4.3 Fluidized Bed Dryers and Coolers -- 2.5 Handling and Dosing of Bentonite and Sea Coal -- Sand Conditioning Equipment -- 3.1 Sand Dosing into the Muller -- 3.1.1 Variable Feed Belt Speed -- 3.1.1.1 Calibration -- 3.1.2 Dosing Hopper with Load Cell -- 3.2 Sand Muller Types and Features -- 3.2.1 Vertical Roller-Type Muller -- 3.2.2 Horizontal Roller-Type Muller -- 3.2.3 Duplex Muller -- 3.2.4 DISAMATIC Sand Mixer -- 3.2.5 Continuous Screw-Type Muller -- 3.3 Automated Sand Conditioning Control -- 3.3.1 Time-Controlled and Energy-Controlled Mulling -- 3.4 Core Sand Mixers -- 3.5 Sand Conveyors and Bucket Elevators -- 3.5.1 Sand Conveyors -- 3.5.2 Bucket Elevators -- 3.6 Sand Aerators -- 3.6.1 Types of Aerators -- 3.6.1.1 Belt-Type Aerator -- 3.6.1.2 Pin Bushing-Type Aerator -- 3.7 Mold Conveyors-Types and Lengths for Cooling -- 3.7.1 Mold Conveyors -- 3.7.1.1 Roller Conveyors.
3.7.1.2 Guide Rail System for Mold Movement -- 3.7.1.3 Multilevel Mold Conveyors -- 3.7.1.4 Walking Beam Mold Conveyor - Precision Mold Conveyor -- 3.7.1.5 Sliding Mold Conveyor - Automatic Mold Conveyor -- 3.7.1.6 -- 3.7.2 Engineering for Cooling Time -- 3.7.2.1 Example Calculation of Conveyor Length for Gray Iron Foundries -- 3.7.2.2 Conveyor Length for Ductile Iron Castings -- 3.7.2.3 Conveyor Length for Steel Castings -- 3.7.3 Flexibility in Conveyor Design -- 3.7.4 Extended Cooling Times -- 3.8 Shakeout Units and Features -- 3.8.1 Basic Brute and Variable Drives -- 3.8.2 Two-Mass High-Frequency Type (Ref 16, 17) -- 3.8.3 Vibratory Drum-Type -- 3.8.4 Rotary Drum-Type -- 3.8.5 Hydroblasting -- 3.8.6 Summary -- 3.9 Magnetic Separators -- 3.9.1 Magnetic Drum -- 3.9.2 Magnetic Pulley Segment -- 3.9.3 Belt-Type Magnetic Separator -- 3.10 Lump Breakers and Core Crushers -- 3.10.1 Over-Screen-Type Lump Breakers -- 3.10.2 Roller-Type Lump Breakers -- 3.10.3 Rotary-Type Lump Breakers -- 3.10.4 Attrition Mills -- 3.10.5 Hybrid Units -- 3.11 Screens -- 3.11.1 Hexagonal screens -- 3.11.2 Rotary Drums -- 3.11.3 Vibratory screens -- 3.12 Sand Coolers -- 3.12.1 Sand Cooling Processes -- 3.12.2 Sand Cooling Types -- 3.12.3 Stages of Sand Cooling -- 3.12.4 Heat Exchangers for Sand Cooling -- 3.12.5 Sand Cooling in Mullers and Mixers -- 3.13 Sand Reclamation Systems -- 3.13.1 Impact of Reclamation -- 3.13.2 Dry Reclamation -- 3.13.3 Wet Reclamation -- 3.13.4 Thermal reclamation -- 3.14 Prepared Sand Hoppers and Automated Level Control -- 3.14.1 Bin or Hopper Shapes for Reduced Bridging -- 3.14.2 Bin or Hopper Linings or Coatings -- 3.14.3 Design for Vibrators to Remove Jamming -- 3.14.4 Sand Level Measurement in Hoppers -- Molding Flasks and Molding Machines -- 4.1 Molding Flask Designs -- 4.1.1 Materials for Flasks -- 4.1.1.1 Rigidity -- 4.1.1.2 Strength.
4.1.1.3 Accuracy -- Outline placeholder -- 4.1.1.3.1 Alignment Accuracy -- 4.1.1.3.2 Perpendicularity of Guide-Pin Axes and Mating Surfaces -- 4.2 Mold Pallets -- 4.3 Molding Machines -- 4.3.1 Comparison of Tight Flask Molding and Flaskless Molding -- 4.3.2 Pneumatically and Hydraulically Compacted Molding Machines -- 4.3.3 Multistation Machines -- 4.3.4 Molding Machine Features Enhancements -- 4.3.4.1 Hopper Filling Improvements -- Outline placeholder -- 4.3.4.1.1 Gravity Fill -- 4.3.4.1.2 Blow Fill -- 4.3.4.1.3 Aeration Fill -- 4.3.4.1.4 Airflow -- 4.3.4.2 Squeeze Pressure Balance Control -- 4.3.4.3 Mold Height Control - Vertically Parted Molds -- 4.3.4.4 Pattern Plate Heater -- 4.3.4.5 No-spill Sand-Horizontal Parting Plane -- 4.3.4.6 Leveling Frame Pattern Draw -- 4.3.4.7 Multiram Squeeze -- 4.3.4.8 Light Curtain Safety Feature -- 4.3.4.9 Automated Pattern Plate Change -- 4.3.4.10 Molding Machine Controls and Diagnostics -- 4.4 Flaskless Molds -- 4.4.1 Horizontally Parted Flaskless Molding -- 4.4.2 Flask and Flaskless Flexible Molding Machines -- 4.4.3 Vertical Molded and Horizontally Cast Molding Machine -- 4.4.4 Vertically Parted Molding Machines -- 4.4.4.1 Machine Sizes and Outputs -- 4.5 No-Bake Molding Lines -- 4.5.1 Rollover and Draw Machines -- 4.5.2 Mold Manipulators -- 4.5.3 Flow Coating and Drying -- 4.5.4 No-Bake Core-mold Assembly -- 4.5.5 Mold Clamping and Weight Loading -- 4.5.5.1 Mold Lifting Force Computation -- 4.5.5.2 ``C´´ Clamps for Mold Clamping -- 4.5.5.3 Dovetail Clamps for the Flasks -- 4.5.5.4 Automated Mold Weighting Systems -- Outline placeholder -- 4.5.5.4.1 Automated Mold Loading Conveyor -- 4.5.5.4.2 Automated Pick-and-Place Units -- 4.5.6 Automated Core-Setting Systems -- 4.6 Core-Making Equipment -- 4.6.1 Cold Box Core Machines -- 4.6.2 Shell Core Machines -- 4.6.3 3D Printed Cores -- Casting Cleaning Operations.
5.1 Casting Cleaning Operation Sequence -- 5.2 Casting Cleaning Options-Shot Blasting -- 5.2.1 Impeller Heads -- 5.2.2 Shot Blasting Machine Types and Suitability -- 5.2.2.1 Tumble Blasters -- Outline placeholder -- 5.2.2.1.1 Drum-Type Tumble Blasters -- 5.2.2.1.2 Barrel-Type Tumble Blasters -- 5.2.2.1.3 Continuous Barrel-Type Tumble Shot Blaster -- 5.2.2.2 Table Shot Blasters -- Outline placeholder -- 5.2.2.2.1 Swing Table Blasters -- 5.2.2.2.2 Twin Table Blasters -- 5.2.2.3 Cabinet-Type Blasters -- Outline placeholder -- 5.2.2.3.1 Dual Chamber Spinner Blasters -- 5.2.2.3.2 Monorail Conveyor Cabinet Shot Blasters -- 5.2.3 Safety Features in Shot Blasting Machines -- 5.3 Decoring, or Removal of Cores from Castings -- 5.3.1 Decoring Machines -- 5.3.2 Inspection Instrumentation for Core Remnants Checking -- 5.4 Degating, or Removal of Runners, Gates, and Feeders -- 5.4.1 Removal of Runners and Gates from Gray and White Iron Castings -- 5.4.2 Removal of Runners and Feeders from Ductile Iron Castings -- 5.4.3 Removal of Runners and Feeders from Steel Castings -- 5.5 Flash Removal and Automation -- 5.5.1 Grinding Machine Types and Applications -- 5.5.2 Automated Grinders -- 5.5.2.1 Computer Numerically Controlled Machine Grinding -- 5.5.2.2 Robotic Grinding -- 5.5.3 Guidelines for Grinding Wheel Selection -- 5.6 Heat Treatment -- 5.6.1 Stress-Relieving of Cast and Ductile Iron Castings -- 5.6.2 Annealing of Gray Iron Castings -- 5.6.3 Annealing and Normalizing of Ductile Iron Castings -- 5.6.4 Heat Treatment of Steel Castings -- 5.6.4.1 Austenitizing -- 5.6.4.2 Normalizing -- 5.6.4.3 Quench Hardening -- 5.6.4.4 Tempering -- 5.6.4.5 Annealing or Full Annealing -- 5.7 Product Quality Control -- 5.7.1 Gray Iron Castings -- 5.7.2 Ductile Iron Castings -- 5.7.3 Steel Castings -- Iron and Steel Melting Furnaces -- 6.1 Furnace Types and Applications.
6.2 Cupolas-Types, Advantages, and Applications -- 6.2.1 Cold-Blast Cupolas -- 6.2.2 Hot-Blast Cupolas -- 6.2.2.1 Recuperative Hot Blast Units -- 6.2.2.2. Preheated Air Blast Units -- 6.2.3 Cupola Classification According to the Lining -- 6.2.4 Continuous Operation of the Front-Slagging Cupola -- 6.2.5 Cupolas with a Forehearth -- 6.2.6 Cupola with a Holding Furnace or a Holder -- 6.2.7 Special Cupolas -- 6.2.7.1 Divided-Blast Cupolas -- 6.2.7.2 Oxygen-Enriched Cupolas -- 6.2.7.3 Cokeless Gas-fired Cupolas -- 6.2.7.4 Plasma-Fired Cupolas -- 6.2.8 Charging Systems Mechanization -- 6.2.9 Charge Height Monitoring Systems -- 6.2.9.1 Contact Height Monitoring -- 6.2.9.2 Noncontact Height Monitoring -- 6.3 Induction Furnace-Types and Applications -- 6.3.1 Coreless Induction Furnaces -- 6.3.1.1 Impact of Power Supply Frequency -- 6.3.1.2 Frequency and Furnace Size -- 6.3.1.3 Frequency and Melting Time -- 6.3.1.4 Influence of Furnace Size -- 6.3.1.5 Rate of Bath Temperature Rise -- 6.3.1.6 Power and Furnace Size -- 6.3.1.7 Holding Power -- 6.3.2 Channel-Type Holding Furnaces-Cast Irons -- 6.3.2.1 Channel Furnace Operation -- 6.3.3 Additional Furnace Features -- 6.3.3.1 Engineering Induction Furnaces for Emergency -- 6.3.3.2 Relining Time Reduction -- 6.3.3.3 Mechanized Charging Systems -- 6.3.3.4 Furnace Design for Easier Deslagging -- 6.3.3.5 Charge Preheating -- 6.3.3.6 Emission Control -- 6.4 Arc Furnace Features and Applications -- 6.4.1 Construction Features -- 6.4.2 Bath Agitation Improvement -- 6.5 Cost and Other Considerations in Furnace Selection -- 6.5.1 Costs -- 6.5.2 Metallurgical Factors -- 6.5.3 Environmental Factors -- 6.5.4 Power Requirements and Grid Power Fluctuations -- 6.5.5 Size Factor -- 6.5.6 Operator Skill Level -- 6.5.7 Alternative Furnace Options -- 6.6 Automatic Pouring Units -- 6.6.1 Pouring Units for Cast Irons.
6.6.2 Low-Pressure Pouring Units for Steel.
Record Nr. UNINA-9911007163803321
Nath Jagan  
Materials Park : , : A S M International, , 2023
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Foseco ferrous foundryman's handbook / / edited by John R. Brown
Foseco ferrous foundryman's handbook / / edited by John R. Brown
Edizione [11th ed.]
Pubbl/distr/stampa Boston, : Butterworth Heinemann, 2000
Descrizione fisica 1 online resource (373 p.)
Disciplina 672.2
Altri autori (Persone) BrownJohn R
Soggetto topico Founding
Iron founding
ISBN 1-281-07728-3
9786611077280
0-08-050679-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front Cover; Foseco Ferrous Foundryman's Handbook; Copyright Page; Contents; Preface; Acknowledgements; Chapter 1. Tables and general data; SI units and their relation to other units; SI, metric, non-SI and non-metric conversions; Conversion table of stress values; Areas and volumes of circles, spheres, cylinders etc.; The physical properties of metals; Densities of casting alloys; Approximate bulk densities of common materials; Patternmakers' contraction allowances; Volume shrinkage of principal casting alloys; Comparison of sieve sizes; Calculation of average grain size
Calculation of AFS grain fineness numberRecommended standard colours for patterns; Dust control in foundries; Buoyancy forces on cores; Opening forces on moulds; Dimensional tolerances and consistency achieved in castings; Chapter 2. Types of cast iron; Introduction; Physical properties of cast irons; Iron casting processes; Chapter 3. Grey cast iron; Specifications; Relationship between composition, strength and structure of grey cast iron; Applications of grey iron castings; The production of grey irons; Chapter 4. Melting cast iron; Introduction; Cupola melting; Electric melting
Shop floor control of metal compositionChapter 5. Inoculation of grey cast iron; Introduction; Ladle inoculation; Late stream inoculation; Mould inoculation; Chapter 6. Ductile iron; Production of ductile iron; Melting ductile iron base; Cupola melting and duplexing; Induction furnace melting; Use of the tundish cover ladle; Sandwich treatment; NODULANT; Pure magnesium converter process; Cored wire treatment; In-the-mould treatment; Inhibiting elements; Inoculation and fading; Specifications for ductile cast iron; Heat treatment of ductile iron; Casting ductile iron; Compacted graphite irons
Chapter 7. Malleable cast ironIntroduction; Whiteheart malleable; Blackheart malleable iron; Chapter 8. Special purpose cast irons; Heat resisting alloys; Corrosion resistant cast irons; Wear resistant cast irons; Chapter 9. Types of steel castings; Introduction; Specifications for steel castings; Types of steel castings; Carbon steels; Low alloy and medium alloy steels; Austenitic manganese steel; High alloy steels; Duplex steels; Physical properties of steels; Selection of suitable steel for casting; Chapter 10. Melting and treatment of steel for casting; Arc furnace melting
Induction furnace meltingAOD refining; Melting and casting quality; Chapter 11. Molten metal handling; Iron foundries; Metal handling systems; Ladle lining; KALTEK ladle lining system for iron foundries; KALTEK insulating lining system for automatic pouring boxes; Casting defects due to poor ladle maintenance; Molten metal handling in steel foundries; Ladle practice; The KALTEK ladle lining system; Pouring temperature for steels; Chapter 12. Sands and green sand; Silica sand; Measurement of sand properties; Non-silica sands; Green sand; Parting agents; Special moulding materials, LUTRON
Green sand moulding machines
Altri titoli varianti Ferrous foundryman's handbook
Record Nr. UNINA-9911004760503321
Boston, : Butterworth Heinemann, 2000
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Iron castings engineering handbook / / technical editor, George M. Goodrich ; revisions and additions by AFS Cast Iron Division, 5A Committee
Iron castings engineering handbook / / technical editor, George M. Goodrich ; revisions and additions by AFS Cast Iron Division, 5A Committee
Pubbl/distr/stampa American Foundry Society
Altri autori (Persone) GoodrichGeorge M
Soggetto topico Iron founding
Cast-iron
Metal castings
ISBN 1-5231-2098-3
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9911006946603321
American Foundry Society
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui