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Файл:(EOD).Manufacturing.pdf
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- •1. TABLE OF CONTENTS
- •2. BASIC MANUFACTURING
- •2.1 INTRODUCTION
- •2.2 PRACTICE PROBLEMS
- •3. MANUFACTURING COST ESTIMATING
- •3.1 COSTS ESTIMATES
- •3.2 COGS (COST OF GOODS SOLD)
- •3.3 VALUE ENGINEERING
- •3.4 REFERENCES
- •4. BASIC CUTTING TOOLS
- •4.1 CUTTING SPEEDS, FEEDS, TOOLS AND TIMES
- •4.2 HIGH SPEED MACHINING
- •4.3 REFERENCES
- •5. CUTTING THEORY
- •5.1 CHIP FORMATION
- •5.2 THE MECHANISM OF CUTTING
- •5.2.1 Force Calculations
- •5.2.1.1 - Force Calculations
- •5.2.1.2 - Merchant’s Force Circle With Drafting (Optional)
- •5.3 POWER CONSUMED IN CUTTING
- •5.4 PRACTICE QUESTIONS
- •5.5 TEMPERATURES IN CUTTING
- •5.6 TOOL WEAR
- •5.7 CUTTING TOOL MATERIALS
- •5.7.1 A Short List of Tool Materials
- •5.8 TOOL LIFE
- •5.8.1 The Economics of Metal Cutting
- •5.9 REFERENCES
- •5.10 PRACTICE PROBLEMS
- •6. SAWS
- •6.1 SPEEDS AND FEEDS
- •6.2 PRACTICE PROBLEMS
- •7. DRILLING
- •7.1 TYPES OF DRILL PRESSES
- •7.2 TYPICAL DRILL PRESS OPERATIONS
- •7.3 TYPICAL DRILL BITS
- •7.3.1 Reamers
- •7.3.2 Boring
- •7.3.3 Taps
- •7.4 DRILLING PROCESS PARAMETERS
- •7.4.1 The mrr For Drilling
- •7.5 PRACTICE PROBLEMS
- •8. LATHES
- •8.1 INTRODUCTION
- •8.2 OPERATIONS ON A LATHE
- •8.2.1 Machine tools
- •8.2.1.1 - Production Machines
- •8.3 LATHE TOOLBITS
- •8.3.1 Thread Cutting On A Lathe
- •8.3.2 Cutting Tapers
- •8.3.3 Turning Tapers on Lathes
- •8.4 FEEDS AND SPEEDS
- •8.4.1 The mrr for Turning
- •8.4.2 Process Planning for Turning
- •8.5 PRACTICE PROBLEMS
- •9. MILLING
- •9.1 INTRODUCTION
- •9.1.1 Types of Milling Operations
- •9.1.1.1 - Arbor Milling
- •9.1.2 Milling Cutters
- •9.1.3 Milling Cutting Mechanism
- •9.1.3.1 - Up-Cut Milling
- •9.1.3.2 - Down-Cut Milling
- •9.2 FEEDS AND SPEEDS
- •9.2.1 The mrr for Milling
- •9.2.2 Process Planning for Prismatic Parts
- •9.2.3 Indexing
- •9.3 PRACTICE PROBLEMS
- •10. GRINDING
- •10.1 OPERATIONS
- •10.2 MACHINE TYPES
- •10.2.1 Surface
- •10.2.2 Center
- •10.2.3 Centerless
- •10.2.4 Internal
- •10.3 GRINDING WHEELS
- •10.3.1 Operation Parameters
- •10.4 PRACTICE PROBLEMS
- •11. SURFACES
- •11.1 MEASURES OF ROUGHNESS
- •11.2 METHODS OF MEASURING SURFACE ROUGHNESS
- •11.2.1 Observation Methods
- •11.2.2 Stylus Equipment
- •11.2.3 Specifications on Drawings
- •11.3 OTHER SYSTEMS
- •11.4 PRACTICE PROBLEMS
- •11.4.0.1 - Roundness Testing
- •11.4.0.1.1 - Intrinsic Roundness Testing
- •11.4.0.1.2 - Extrinsic Roundness Testing
- •11.4.0.1.3 - Practice Problems
- •11.5 PRACTICE PROBLEMS
- •35. METROLOGY
- •35.1 INTRODUCTION
- •35.1.1 The Role of Metrology
- •35.2 DEFINITIONS
- •35.3 STANDARDS
- •35.3.1 Scales
- •35.3.2 Calipers
- •35.3.3 Transfer Gauges
- •35.4 INSTRUMENTS
- •35.4.1 Vernier Scales
- •35.4.2 Micrometer Scales
- •35.4.2.1 - The Principle of Magnification
- •35.4.2.2 - The Principle of Alignment
- •35.4.3 Dial Indicators
- •35.4.4 The Tool Makers Microscope
- •35.4.5 Metrology Summary
- •35.5 PRACTICE PROBLEMS
- •35.5.0.1 - Interferometry (REWORK)
- •35.5.0.1.1 - Light Waves and Interference
- •35.5.0.1.2 - Optical Flats
- •35.5.0.1.3 - Interpreting Interference Patterns
- •35.5.0.1.4 - Types of Interferometers
- •35.5.0.2 - Laser Measurements of Relative Distance
- •35.5.0.2.1 - Practice Problems
- •35.6 GAUGE BLOCKS
- •35.6.1 Manufacturing Gauge Blocks
- •35.6.2 Compensating for Temperature Variations
- •35.6.2.1 - References
- •35.6.3 Testing For Known Dimensions With Standards
- •35.6.3.1 - References
- •35.6.4 Odd Topics
- •35.6.5 Practice Problems
- •35.6.6 Limit (GO & NO GO) Gauges
- •35.6.6.1 - Basic Concepts
- •35.6.6.2 - GO & NO GO Gauges Using Gauge Blocks
- •35.6.6.3 - Taylor’s Theory for Limit Gauge Design
- •35.6.6.4.1 - Sample Problems
- •35.6.7 Sine Bars
- •35.6.7.1 - Sine Bar Limitations
- •35.6.7.1.1 - Practice Problems
- •35.6.8 Comparators
- •35.6.8.1 - Mechanical Comparators
- •35.6.8.2 - Mechanical and Optical Comparators
- •35.6.8.3 - Optical Comparators
- •35.6.8.4 - Pneumatic Comparators
- •35.6.9 Autocollimators
- •35.6.10 Level Gauges
- •35.6.10.1 - Clinometer
- •35.6.10.2 - The Brookes Level Comparator
- •35.6.11 The Angle Dekkor
- •35.7 MEASURING APARATUS
- •35.7.1 Reference Planes
- •35.7.1.1 - Granite Surface Plates
- •35.7.1.2 - Cast Iron Surface Plates
- •35.7.2 Squares
- •35.7.2.1 - Coordinate Measureing Machines
- •35.7.2.2 - Practice Problems
- •AM:35.7.3 Coordinate Measuring Machines (CMM)
- •36. ASSEMBLY
- •36.1 THE BASICS OF FITS
- •36.1.1 Clearance Fits
- •36.1.2 Transitional Fits
- •36.1.3 Interference Fits
- •36.2 C.S.A. B97-1 1963 LIMITS AND FITS(REWORK)
- •36.3 CSA MODIFIED FITS
- •36.4 CSA LIMITS AND FITS
- •36.5 THE I.S.O. SYSTEM
- •36.6 PRACTICE PROBLEMS
- •42. WELDING/SOLDERING/BRAZING
- •42.1 ADHESIVE BONDING
- •42.2 ARC WELDING
- •42.3 GAS WELDING
- •42.4 SOLDERING AND BRAZING
- •42.5 TITANIUM WELDING
- •42.5.1 Practice Problems
- •42.6 PLASTIC WELDING
- •42.7 EXPLOSIVE WELDING
- •42.7.1 Practice Problems
- •43. AESTHETIC FINISHING
- •43.1 CLEANING AND DEGREASING
- •43.2 PAINTING
- •43.2.1 Powder Coating
- •43.3 COATINGS
- •43.4 MARKING
- •43.4.1 Laser Marking
- •43.5 PRACTICE PROBLEMS
- •44. METALLURGICAL TREATMENTS
- •44.1 HEAT TREATING
- •44.2 ION NITRIDING
- •44.3 PRACTICE PROBLEMS
- •45. CASTING
- •45.1 SAND CASTING
- •45.1.1 Molds
- •45.1.2 Sands
- •45.2 SINGLE USE MOLD TECHNIQUES
- •45.2.1 Shell Mold Casting
- •45.2.2 Lost Foam Casting (Expandable Pattern)
- •45.2.3 Plaster Mold Casting
- •45.2.4 Ceramic Mold Casting
- •45.2.5 Investment Casting
- •45.3 MULTIPLE USE MOLD TECHNIQUES
- •45.3.1 Vacuum Casting
- •45.3.2 Permanent Mold Casting
- •45.3.2.1 - Slush Casting
- •45.3.2.2 - Pressure Casting
- •45.3.2.3 - Die Casting
- •45.3.3 Centrifugal Casting
- •45.3.4 Casting/Forming Combinations
- •45.3.4.1 - Squeeze Casting
- •45.3.4.2 - Semisolid Metal Forming
- •45.3.5 Single Crystal Casting
- •45.4 OTHER TOPICS
- •45.4.1 Furnaces
- •45.4.2 Inspection of Casting
- •45.5 Design of Castings
- •45.6 REFERENECES
- •45.7 PRACTICE PROBLEMS
- •46. MOLDING
- •46.1 REACTION INJECTION MOLDING (RIM)
- •46.1.1 References
- •46.2 INJECTION MOLDING
- •46.2.1 Hydraulic Pumps/Systems
- •46.2.2 Molds
- •46.2.3 Materials
- •46.2.4 Glossary
- •46.3 EXTRUSION
- •46.4 PRACTICE PROBLEMS
- •47. ROLLING AND BENDING
- •47.1 BASIC THEORY
- •47.2 SHEET ROLLING
- •47.3 SHAPE ROLLING
- •47.4 BENDING
- •48. SHEET METAL FABRICATION
- •48.1 SHEET METAL PROPERTIES
- •48.2 SHEARING
- •48.2.1 Progressive and Transfer Dies
- •48.2.2 DRAWING
- •48.3 DEEP DRAWING
- •48.4 SPINNING
- •48.5 MAGNETIC PULSE FORMING
- •48.6 HYDROFORMING
- •48.7 SUPERPLASTIC FORMING
- •48.7.1 Diffusion Bonding
- •48.8 PRACTICE PROBLEMS
- •49. FORGING (to be expanded)
- •49.1 PROCESSES
- •49.1.1 Open-Die
- •49.1.2 Impression/Closed Die
- •49.1.3 Heading
- •49.1.4 Rotary Swaging
- •50. EXTRUSION AND DRAWING
- •50.1 DIE EXTRUSION
- •50.1.1 Hot Extrusion
- •50.1.2 Cold Extrusion
- •50.2 HYDROSTATIC EXTRUSION
- •50.3 DRAWING
- •50.4 EQUIPMENT
- •50.5 PRACTICE PROBLEMS
- •51. ELECTROFORMING
- •51.1 PRACTICE PROBLEMS
- •52. COMPOSITE MANUFACTURING
- •52.1 FIBER REINFORCED PLASTICS (FRP)
- •52.2 COMPOSITE MANUFACTURING
- •52.2.1 Manual Layup
- •52.2.2 Automated Tape Lamination
- •52.2.3 Cutting of Composites
- •52.2.4 Vacuum Bags
- •52.2.5 Autoclaves
- •52.2.6 Filament Winding
- •52.2.7 Pultrusion
- •52.2.8 Resin-Transfer Molding (RTM)
- •52.2.9 GENERAL INFORMATION
- •52.2.10 REFERENCES
- •52.2.11 PRACTICE PROBLEMS
- •53. POWDERED METALLURGY
- •53.1 PRACTICE PROBLEMS
- •54. ABRASIVE JET MACHINING (AJM)
- •54.1 REFERENCES
- •54.2 PRACTICE PROBLEMS
- •55. HIGH PRESSURE JET CUTTING
- •56. ABRASIVE WATERJET CUTTING (AWJ)
- •57. ULTRA SONIC MACHINING (USM)
- •57.1 REFERENCES
- •57.1.1 General Questions
- •58. ELECTRIC DISCHARGE MACHINING (EDM)
- •58.1 WIRE EDM
- •58.2 PRACTICE PROBLEMS
- •58.3 REFERENCES
- •59. ELECTROCHEMICAL MACHINING (ECM)
- •59.1 REFERENCES
- •59.2 PRACTICE PROBLEMS
- •60. ELECTRON BEAM MACHINING
- •60.1 REFERENCES
- •60.2 PRACTICE PROBLEMS
- •61. ION IMPLANTATION
- •61.1 THIN LAYER DEPOSITION
- •61.2 PRACTICE PROBLEMS
- •62. ELECTROSTATIC SPRAYING
- •62.1 ELECTROSTATIC ATOMIZATION METHOD
- •62.2 PRACTICE PROBLEMS
- •63. AIR-PLASMA CUTTING
- •63.1 REFERENCES
- •63.2 PRACTICE PROBLEMS
- •64. LASER CUTTING
- •64.1 LASERS
- •64.1.1 References
- •64.2 LASER CUTTING
- •64.2.1 References
- •64.3 PRACTICE PROBLEMS
- •65. RAPID PROTOTYPING
- •65.1 STL FILE FORMAT
- •65.2 STEREOLITHOGRAPHY
- •65.2.1 Supports
- •65.2.2 Processing
- •65.2.3 References
- •65.3 BONDED POWDERS
- •65.4 SELECTIVE LASER SINTERING (SLS)
- •65.5 SOLID GROUND CURING (SGC)
- •65.6 FUSED DEPOSITION MODELLING (FDM)
- •65.7 LAMINATE OBJECT MODELING (LOM)
- •65.8 DIRECT SHELL PRODUCTION CASTING (DSPC)
- •65.9 BALLISTIC PARTICLE MANUFACTURING (BPM)
- •65.9.1 Sanders Prototype
- •65.9.2 Design Controlled Automated Fabrication (DESCAF)
- •65.10 COMPARISONS
- •65.10.1 References
- •65.11 AKNOWLEDGEMENTS
- •65.12 REFERENCES
- •65.13 PRACTICE PROBLEMS
- •66. PROCESS PLANNING
- •66.1 TECHNOLOGY DRIVEN FEATURES
- •66.2 MOST SIGNIFICANT FEATURE FIRST
- •66.3 DATABASE METHODS
- •66.4 MANUFACTURING VOLUMES
- •66.5 STANDARD PARTS
- •66.6 PRACTICE PROBLEMS
- •66.6.1 Case Study Problems
- •66.6.1.1 - Case 1
- •66.7 REFERENCES
page 185
internal feature). The gauge shown is a Plug Gauge.
D3±T 3/2
D2±T 2/2
GO & NO GO gauge combination. If the smaller shaft (the GO gauge) fits inside the hole the part is good, if the second NO GO shaft fits in, the part is rejected.
D1±T 1/2
A Hole (the work)
D1, T1 = The hole diameter, and tolerance specified by the designer D2, T2 = The GO gauge diameter and tolerance
D3, T3 = the NO GO gauge diameter and tolerance
NO GO gauge
D1+T1/2
10% T1 = T3
T1 |
5% T1 |
|
|
|
wear allowance |
GO gauge |
|
|
|
|
|
|
|
|
|
10% T1 = T2 D1-T1/2 
35.6.6.4.1 - Sample Problems
1.Design Plug gauges for holes that are 1.500” +0.0025” - 0.000”.
2.Design a gap gauge to inspect shafts that are 0.875” +0.000” -0.008”.
3.Design GO and NO GO gauges for the hole shown below.
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