DVC PLANNERS PRECISION SHEET METAL LAYOUT MANUAL #1 (FREE ONLINE VERSION) TABLE OF CONTENTS TABLE OF CONTENTS TOPIC INTRODUCTION (Scroll UP for intro.) 1 ORDER IN THE MATH 2 ENGLISH DECIMALS 3 GEOMETRY; POINTS, LINES, SEGMENTS, & RAYS 4 PLANES, PLANE AND SOLID GEOMETRY 5 CIRCLES 6 TRIANGLES 7 LOOKING AT TRIGONOMETRY A COMMON SENSE APPROACH 8 SOME COMMON SENSE TRIG FORMULAS 9 RIGHT ANGLE TRIANGLES 10 TRIGONOMETRY MADE SIMPLE 10 WHERE TWO SIDES ARE KNOWN 11 PYTHAGOREAN THEOREM 12 INTERSECTING LINES AND ANGLE RELATIONS 13 SOLVING TRIANGLES 14 PROBLEM SOLVING 15 COORDINATE SYSTEMS 16 NC ANGULAR ORIENTATION 17 BENDING 18 BEND ALLOWANCE 19 BEND DEDUCTION 20 MORE ON BEND DEDUCTION 21 90 DEGREE BENDS 22 90 DEGREE BENDS Cont. 23 DIMENSIONING INTERNAL FEATURES 24 NEUTRAL LINE THEORY 25 NEUTRAL LINE 90° BENDS 26 NEUTRAL LINE ACUTE BENDS 27 NEUTRAL LINE OBTUSE BENDS 28 ACTUAL BEND TESTS 29 NOTCHES 30 RELIEF NOTCHES 31 90 DEGREE V NOTCHES 32 BEND RELIEFS 33 BEND RELIEF SLOTS 34 HEMS 35 JOGGLES AND OFFSETS 36 WORK PROBLEMS 37 SOME COMMON DEVELOPMENT PROBLEMS 39 ACUTE BENDS 40 OBTUSE BENDS 41 OBTUSE AND ACUTE WORK PROBLEMS 42 WORK PROBLEM "SOMEPART" 46 WORK PROBLEM "SAMPLE" 48 DEFINITIONS AND ABBREVIATIONS 50 ANSWER KEY 51 BEND DEDUCTION/BEND ALLOWANCE CHART 55 ADDITIONAL BONUS MATERIAL: Sheet Metal Gauge Sizes HOLES NEAR EDGES COMPOUND ANGLES PUNCH PRESS TRICKS DIMENSIONING FEATURES ON ARCS SELECTING BASIC BRAKE DIES BOX WITH SPOT-WELDED FLANGES BACK TO INTRODUCTION

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