Mechanical FastenersMechanical Fasteners
BYBYDAVID HAFFEYDAVID HAFFEY
IAN KARLEIAN KARLEJACOB KENTJACOB KENT
OBJECTIVEOBJECTIVE
EXPLAIN THE USE OF:EXPLAIN THE USE OF: RIVETSRIVETS NUTS & BOLTSNUTS & BOLTS
EXPLAIN COMBINATION OF EXPLAIN COMBINATION OF FASTENERSFASTENERS METAL AND PLASTICMETAL AND PLASTIC
OUTLINEOUTLINE
INTRODUCTION OF FASTENERSINTRODUCTION OF FASTENERS TYPES OF FASTENERSTYPES OF FASTENERS RIVETSRIVETS METAL & PLASTIC FASTENERSMETAL & PLASTIC FASTENERS RECYCLING & DESIGN RECYCLING & DESIGN
CONSIDERATIONSCONSIDERATIONS CONCLUSIONCONCLUSION
INTRODUCTIONINTRODUCTION
PURPOSE OF RIVETS & SCREWSPURPOSE OF RIVETS & SCREWS PURPOSE OF GENERAL MECHANICAL PURPOSE OF GENERAL MECHANICAL
FASTENERSFASTENERS
TYPES OF FASTENERSTYPES OF FASTENERS
RIVETSRIVETS SCREWS, BOLTS AND NUTSSCREWS, BOLTS AND NUTS
PLASTIC AND METALPLASTIC AND METAL ADHESIVESADHESIVES
GLUEGLUE TAPESTAPES WELDINGWELDING
APPLICATIONS OF RIVETSAPPLICATIONS OF RIVETS
INDUSTRALINDUSTRAL BUILDING BUILDING
CONSTRICTIONCONSTRICTION PRODUCTIONPRODUCTION
TOYSTOYS
TYPES OF RIVETSTYPES OF RIVETS
SOLIDSOLID TUBULARTUBULAR
FULL, SEMI, SELF FULL, SEMI, SELF PIERCING, COMPRESSIONPIERCING, COMPRESSION
SNAP, PUSH & BARBSNAP, PUSH & BARB
ADVANTAGES OF RIVETSADVANTAGES OF RIVETS
COST COST CHEAPER THAN MOST THREADED CHEAPER THAN MOST THREADED
FASTENERSFASTENERS LITTLE TRAINING REQUIRED FOR USELITTLE TRAINING REQUIRED FOR USE JOIN DISSIMILAR MATERIALSJOIN DISSIMILAR MATERIALS ASTHETICALLY PLEASINGASTHETICALLY PLEASING VARIETY OF SHAPES VARIETY OF SHAPES
DISADVANTAGES OF RIVETSDISADVANTAGES OF RIVETS
LOWER STRENGTH THAN BOLTS & LOWER STRENGTH THAN BOLTS & SCREWSSCREWS TENSILE TENSILE FATIGUEFATIGUE
NOT WATER OR AIR TIGHTNOT WATER OR AIR TIGHT DIFFICULT TO DISASSEMBLEDIFFICULT TO DISASSEMBLE LOOSENS UNDER HIGH LOADSLOOSENS UNDER HIGH LOADS
TYPES OF METAL TYPES OF METAL FASTENERSFASTENERS
SCREWSSCREWS OVAL, ROUND HEAD, SHEET METAL, LAG OVAL, ROUND HEAD, SHEET METAL, LAG
BOLTSBOLTS BOLTS & NUTSBOLTS & NUTS
MACHINE, CARRIAGE, STOVEMACHINE, CARRIAGE, STOVE NAILSNAILS
COMMON, WIRE, DRYWALL, FINISHCOMMON, WIRE, DRYWALL, FINISH
ADVANTAGES OF METAL ADVANTAGES OF METAL FASTENERSFASTENERS
HIGHER STRENGTHHIGHER STRENGTH THAN RIVETS OR GLUETHAN RIVETS OR GLUE
LOW COSTLOW COST EASE OF DISASSEMBLYEASE OF DISASSEMBLY
DISADVANTAGES OF METAL DISADVANTAGES OF METAL FASTENERSFASTENERS
HIGHER WEIGHT THAN RIVETS OR HIGHER WEIGHT THAN RIVETS OR PLASTICPLASTIC
MOST ARE NOT CORROSION MOST ARE NOT CORROSION RESISTANTRESISTANT
VULNERABLE TO CYCLIC LOADINGSVULNERABLE TO CYCLIC LOADINGS DIFFICULT ASSEMBLY IN TIGHT PLACESDIFFICULT ASSEMBLY IN TIGHT PLACES HOLES CAN WEAKEN PARTHOLES CAN WEAKEN PART
TYPES OF PLASTIC TYPES OF PLASTIC FASTENERSFASTENERS
SCREWSSCREWS NUTS & BOLTSNUTS & BOLTS CABLE TIESCABLE TIES PANEL FASTENERSPANEL FASTENERS
APPLICATIONS OF PLASTIC APPLICATIONS OF PLASTIC FASTENERSFASTENERS
AUTOMOTIVEAUTOMOTIVE WIRE HARNESS RETAINERSWIRE HARNESS RETAINERS PANEL & MOLDING CLIPS PANEL & MOLDING CLIPS GAS & BRAKE LINE CLIPSGAS & BRAKE LINE CLIPS
TOYSTOYS APPLIANCESAPPLIANCES COMMERICALCOMMERICAL
MATERIAL TYPES AND MATERIAL TYPES AND PRODUCTIONPRODUCTION
NYLONNYLON ACRYLICACRYLIC HDPEHDPE PCPC PPPP
INJECTION MOLDEDINJECTION MOLDED
ADVANTAGESADVANTAGES
LOW COSTLOW COST LIGHT WEIGHTLIGHT WEIGHT CHEMICAL RESISTANTCHEMICAL RESISTANT LOW THERMAL & ELECTRICAL LOW THERMAL & ELECTRICAL
CONDUCTIVITYCONDUCTIVITY DESIGN FLEXIBILITYDESIGN FLEXIBILITY
DISADVANTAGESDISADVANTAGES
POOR UV RESISTANCE POOR UV RESISTANCE STRESS RELAXATIONSTRESS RELAXATION CREEPCREEP DYNAMIC LOADING FAILURESDYNAMIC LOADING FAILURES MORE INTRICATE MOLD DESIGNSMORE INTRICATE MOLD DESIGNS LOWER MECHANICAL PROPERTIES LOWER MECHANICAL PROPERTIES
THAN METALTHAN METAL
COMBINATIONS OF METAL AND COMBINATIONS OF METAL AND PLASTIC FASTENERSPLASTIC FASTENERS
METAL INSERTS IN METAL INSERTS IN INJECTION MOLDINGINJECTION MOLDING
THUMB SCREWSTHUMB SCREWS STUDS WITH PLASTIC STUDS WITH PLASTIC
ATTACHMENTS ATTACHMENTS (AUTOMOTIVE)(AUTOMOTIVE)
REASONS FOR REASONS FOR COMBINATIONSCOMBINATIONS
ASTHETICALLY PLEASINGASTHETICALLY PLEASING COMBINATION OF PROPERTIESCOMBINATION OF PROPERTIES
RECYCLING RECYCLING CONSIDERATIONSCONSIDERATIONS
METAL AND PLASTIC MUST BE METAL AND PLASTIC MUST BE SEPERATEDSEPERATED
MATERIAL SEPERATION OF PLASTICSMATERIAL SEPERATION OF PLASTICS PROPERTIES DEGRADE MUILPILE USEPROPERTIES DEGRADE MUILPILE USE
DESIGN CONSIDERATIONSDESIGN CONSIDERATIONS
HOLD STRENGTHHOLD STRENGTH RECYCLING ABILITIESRECYCLING ABILITIES PRODUCT LIFEPRODUCT LIFE APPLICATIONAPPLICATION MOLD INSERTSMOLD INSERTS
PROPER DIAMETERS AND WALL PROPER DIAMETERS AND WALL THICKNESSTHICKNESS
TORQUE AND TENSILE STRENGHTORQUE AND TENSILE STRENGH
CONCLUSIONCONCLUSION
APPLICAIONSAPPLICAIONS TYPESTYPES OTHER CONSIDERATIONSOTHER CONSIDERATIONS
QUESTIONSQUESTIONS
FINFIN