File : pdf, 1.25 MB, 154 pages
TOC
FASTENERS
SECTION 1. INTRODUCTION TO THREADED FASTENERS
1.1 SCOPE
1.1.1 GENERAL
1.1.2 REFERENCE DOCUMENTS
1.2 GENERAL
1.2.1 USING FASTENERS
1.2.2 FASTENER MAINTENANCE PRACTICES
1.2.3 HI SHOCK
SECTION 2. IDENTIFICATION OF FASTENERS
2.1 GENERAL
2.2 THREAD CLASS, FIT, SERIES, AND DESIGNATION
2.3 IDENTIFYING REPLACEMENT FASTENERS
2.3.1 DRAWING IDENTIFICATION REQUIREMENTS
2.3.2 IDENTIFYING FASTENERS ON APL’S
2.3.3 IDENTIFYING FASTENERS AND FASTENER STANDARD PART NUMBERS WHEN SUPPORT DOCUMENTATION IS LACKING
2.4 CAPSCREWS AND INTERNAL WRENCHING BOLTS
2.4.1 SOCKET-HEAD CAP SCREWS
2.4.1.5 Identification of Socket Head Cap Screws
2.4.2 INTERNAL WRENCHING BOLTS
2.4.2.1 Distinguishing Internal Wrenching Bolts from Socket-Head Capscrews
2.4.2.2 Identification Marking of Internal Wrenching Bolts
2.4.2.3 Restrictions on Using Internal Wrenching Bolts
2.4.3 HEXAGON-HEAD CAPSCREWS
2.4.3.1 ASME B 18.2.1 Part Numbering System
2.4.3.2 Zinc and Cadmium Plated Hex Head Cap Screws
2.4.3.3 Restrictions on the Use of Grade 8, Zinc Plated Hex Head Cap Screws
2.5 WASHERS
2.6 ZINC-PLATED STEEL NUTS AND WASHERS
2.7 THREAD INSERTS
2.8 NONSTANDARD FASTENER APPLICATIONS
SECTION 3. THREADED FASTENER MATERIALS AND MARKING
3.1 GENERAL
3.2 MATERIAL REQUIREMENTS AND SPECIFICATIONS
3.2.1 FASTENER REQUIREMENTS FOR MIC LEVEL I APPLICATIONS
3.2.2 LEVEL I REQUIREMENTS FOR FASTENERS
3.2.3 FASTENER MATERIAL CHARACTERISTICS, IDENTIFICATION MARKINGS AND SUGGESTED USE
3.3 MIL-S-1222 FASTENERS
3.3.1 BACKGROUND
3.3.2 MIL-S-1222 FASTENER MATERIAL MARKING
3.3.2.1 300 Series Stainless
3.3.2.2 400 Series Stainless Steel
3.3.2.3 Marking Locations
3.3.3 AVAILABILITY
3.3.3.1 Fastener Part Numbers
3.3.3.2 Other Sources
3.4 ISSUES AFFECTING MATERiAL SELECTION
3.4.1 CORROSION
3.4.2 HYDROGEN EMBRITTLEMENT AND STRESS CORROSION CRACKING
3.4.2.1 High-Strength Steel Fasteners
3.4.3 COATINGS
3.4.3.1 Corrosion Protection
3.4.3.2 Zinc and Cadmium Coatings
3.4.3.3 Black Oxide Coated Fasteners
3.4.3.4 Zinc Primer Coating in Accordance with DOD-P-24648
3.4.3.5 Metallic-Ceramic Coated Fasteners
3.5 HIGH-TEMPERATURE FASTENERS
3.6 SUITABLE USES FOR THREADED FASTENERS
3.7 TELEPHONE NUMBERS AND POINTS OF CONTACT SPCC (SHIPS PARTS CONTROL CENTER)
SECTION 4. FASTENER TIGHTENING
4.1 GENERAL
4.2 TIGHTENING SEQUENCE
4.3 PRELOAD
4.3.1 PRELOAD THEORY
4.3.2 PURPOSE OF PRELOAD
4.3.2.1 Preventing Loosening
4.3.2.2 Improving Fastener Fatigue Life
4.3.3 DETERMINING PROPER PRELOAD
4.3.3.1 Determining Design Operating Loads
4.3.3.2 Determining Torque Requirements
4.4 RELAXATION
4.4.1 General
4.4.2 INITIAL RELAXATION
4.4.3 TORSIONAL RELAXATION
4.4.4 LONG TERM RELAXATION
4.4.4.1 Stress Relaxation
4.4.4.2 Vibration Relaxation
4.5 Methods of establishing preload
4.5.1 TORQUE CONTROL
4.5.1.1 Units of Measurement
4.5.1.2 Determining Required Torque
4.5.1.3 Applying Torque to a Fastener
4.5.1.4 Torque Wrenches
4.5.1.5 Tightening Fasteners Using Torque Control
4.5.1.6 Special Requirements for Spiral-Wound Gaskets
4.5.1.7 Changes in Torque as Fastener Yields
4.5.2 TURN-OF-NUT CONTROL
4.5.3 STRETCH CONTROL
4.5.4 ULTRASONIC STRETCH OR STRESS CONTROL
4.5.5 HYDRAULIC TENSIONING AND HEATING
4.6 THREAD LUBRICANTS
4.6.1 GENERAL
4.6.2 THREAD LUBRICANT APPLICATION
SECTION 5. THREADED FASTENER LOCKING
5.1 GENERAL
5.1.1 THREADED FASTENER LOOSENING
5.1.2 VIBRATION
5.1.3 LOAD CYCLING
5.2 PRELOAD METHOD
5.3 PREVAILING TORQUE (SELF-LOCKING NUT) METHOD
5.3.1 GENERAL
5.3.2 REUSABLE SELF-LOCKING FASTENERS
5.3.3 NONREUSABLE SELF-LOCKING FASTENERS
5.3.4 JAM NUTS (LOCK NUTS)
5.3.5 SETSCREWS
5.4 MECHANICAL METHOD
5.4.1 GENERAL
5.4.2 PINS
5.4.3 TAB LOCKS
5.4.4 STAKING AND PEENING
5.5 SAFETY WIRE METHOD
5.5.1 GENERAL
5.5.2 REWIRING
5.5.3 TIGHTENING SAFETY WIRED FASTENERS
5.5.4 WIRE INSTALLATION
5.6 LOCKWASHER METHOD
5.7 CHEMICAL METHOD
5.7.1 GENERAL
5.7.2 ANAEROBIC THREADLOCKING COMPOUND
SECTION 6. THREADED FASTENER REMOVAL
6.1 GENERAL
6.1.1 CONTROL
6.1.2 LEFT-HAND THREADS
6.1.3 AVOIDING PROBLEMS
6.1.3.3 Stubborn or Damaged Fasteners
6.1.4 NORMAL REMOVAL
6.1.5 REMOVAL OF CHEMICALLY LOCKED FASTENERS
6.1.5.1 Using Torque to Loosen
6.1.5.2 Using Heat and Torque to Loosen
6.1.5.3 Using Chemicals and Torque to Loosen
6.1.5.4 Nonanaerobic Locking Compounds
SECTION 7. INSTALLATION OF THREADED FASTENERS
7.1 GENERAL
7.2 FASTENER SELECTION PROCEDURE
7.3 FIVE BASIC SITUATIONS
7.3.1 GENERAL
7.3.2 NEW EQUIPMENT
7.3.3 DAMAGED FASTENERS
7.3.4 UNREPAIRABLE FASTENERS
7.3.5 UNIDENTIFIABLE FASTENERS
7.3.6 USE OF TEMPORARY FASTENERS
7.4 SELECTION OF PROPER THREADED FASTENER SYSTEMS
7.4.1 THREADED FASTENER SYSTEM
7.4.2 TECHNICAL MANUALS AND SYSTEM DRAWINGS
7.4.3 UNAVAILABILITY OF TECHNICAL MANUALS
7.5 LENGTH OF THREAD PROTRUSION
7.6 DEPTH OF ENGAGEMENT FOR STUDS AND CAPSCREWS
7.7 SQUARENESS OF SPOTFACE WITH HOLE
7.7.1 FASTENER-BENDING LOADS
7.7.2 EFFECT OF BEARING SURFACE ON TORQUE LOAD
7.8 HEX-HEAD BOLTS AND CAPSCREWS
7.8.1 DIFFERENCES BETWEEN HEX-HEAD BOLTS AND CAPSCREWS
7.8.2 TYPES OF BOLTS
7.8.3 THROUGH BOLTS
7.8.4 CAPSCREWS IN THREADED HOLES
7.9 FITTED BOLTS
7.10 BOLT-STUDS
7.11 STUDS
7.12 USE OF FLAT WASHERS
7.13 INTERCHANGEABILITY OF NUTS
SECTION 8. THREADED FASTENER INSPECTION AND REPAIR
8.1 GENERAL
8.2 INSPECTION OF INSTALLED THREADED FASTENERS AND JOINTS
8.2.1 GENERAL INSPECTION
8.2.2 RUST AND CORROSION
8.2.3 THREAD PROTRUSION
8.2.4 TAB WASHERS
8.2.5 CHECKING PRELOAD
8.3 VISUAL EXAMINATION OF FASTENERS PRIOR TO INSTALLATION
8.4 ADDITIONAL EXAMINATIONS
8.4.1 GALLING
8.4.2 CHECKING SELF-LOCKING NUTS
8.5 THREAD REPAIR
8.6 REWORKING OF THREADED FASTENER JOINTS
8.6.1 FASTENER REMOVAL
8.6.2 SUBMARINE FASTENER APPLICATIONS
8.6.3 REWORK/REPLACEMENT OF CLASS 5 INTERFERENCE FIT THREADS
8.6.5 STEPPED STUDS
SECTION 9. REMOVING DAMAGED OR STUBBORN THREADED FASTENERS
9.1 GENERAL
9.2 PREVENTING PROBLEMS
9.3 NORMAL REMOVAL
9.4 ROUNDED-OFF NUT AND HEAD CORNERS
9.4.1 GENERAL
9.4.2 NUTS INSTALLED ON THROUGH BOLTS AND BOLT-STUDS
9.4.3 NUTS ON STUDS
9.4.4 CAPSCREWS
9.5 SEIZED THREADS
9.6 BROKEN STUDS AND CAPSCREWS
9.6.1 GENERAL
9.6.2 NONLOCKED STUDS
9.6.3 CLASS 5 FIT AND LOCKED STUDS
Download : pdf1
I want a book for Agitator detail design and drawing.