Audel Industrial Multi-Craft Mini-Ref

Thomas Bieber Davis is a mechanical engineer and industrial educator who specializes in multi-craft training for both the electrical and mechanical trades. Tom is the bestselling author of the Audel Millwrights and Mechanics Guide, Fifth Edition and the Audel Mechanical Trades Pocket Manual, Fourth Edition.

• Preface vChapter 1 Machining 01Drilling 01Drill Press Troubleshooting 02Drill Sharpening 03Drill Sizes and Decimal Equivalents 06Screw Threads 09Drilling and Tapping a Hole 12Calculating a Tap Drill Size without a Table 15Screw Thread—Drill and Tap Chart (UNC and UNF) 16Taper Pipe—Drill and Tap Chart (NPT) 17Screw Thread—Drill and Tap Chart (UNEF) 17Metalworking Lubricants 18Chapter 2 Metals 19Thermal Expansion of Metals 19Linear Expansion for Various Materials 21Chapter 3 Repairs and Rebuilding 24Stub Shaft Repair 24Freeing Frozen Bolts 28Removing Broken Bolts 30Chapter 4 Machinery Inspection and Measurement 32Reading a Micrometer 32Using a Strobe Light 39Vibration Measurement 44Simple Vibration Severity Test 56Vibration Calibration 57Detecting a Bad Bearing 58Chapter 5 Lubrication 59Prepacking a Bearing with Grease 59Calibration of a Grease Gun 60How Much Grease to Add to a Bearing 62Grease Relubrication Interval 64Chapter 6 Bearings 69Bearing Identification Numbers 69Bearing Dimension Tables 74Bearing Installation 78Fitting of Antifriction Bearings 81Bearing Bore and Shaft Seat Dimensions 83Bearing OD and Housing Dimensions—100 Series 84Bearing OD and Housing Dimensions—200 Series 85Bearing OD and Housing Dimensions—300 Series 86Bearing OD and Housing Dimensions—400 Series 87Chapter 7 Shaft Alignment 88Rough Shaft Alignment 88Correcting Soft Foot 90Shim Chart 93Straightedge and Feeler Gage Alignment 94Chapter 8 V-Belt Drives 95V-Belt Drives 95V-Belt Sheave Inspection 97Sheave Speed Ratio Calculation 98V-Belt Tensioning—Force Deflection Method 101V-Belt Tensioning—Percent Elongation Method 105Belt Length Calculation 108Standard V-Belt Lengths 110Chapter 9 Mechanical Bushings 113Mechanical Bushings 113Mechanical Bushings—QD Installation 114Mechanical Bushings—Taper Lock Installation 117Chapter 10 Electricity 118The Laws of Electricity 118Chapter 11 Electric Motors 122Understanding and Troubleshooting Industrial Induction Motors 122Improving Motor Bearing Life 125Electric Motor Insulation Values 128Industrial Motor Dimension Charts 129Electric Motor Sleeve Bearing Wear 134Industrial Motor Keyseat Dimensions and Horsepower Ratings 135Adding a Wire to a Conduit 136Chapter 12 Centrifugal Pumps 138Understanding and Troubleshooting Centrifugal Pumps 138Packing a Pump 144Centrifugal Pump Affinity Laws Explanation 146Chapter 13 Industrial Fans 155Understanding and Troubleshooting Industrial Fans 155Balancing a Fan 164Chapter 14 Welding 174Oxyacetylene Gas Welding 174Chapter 15 Miscellaneous Information 178