JOINING METHOD

PERMANENT

ADVANTAGES

• Very strong
• Robust
• Simple and cheap components
• Components that are used, are light

DISADVANTAGES

• Doesnt work on any shape
• Doesnt work on any material
• Very complex and difficult to do
• Break under extreme tension

NAILS

HALVING JOINT

BUTT JOINT

REBATE JOINT

HOUSING JOINT

MORTICE AND TENON

SOFT SOLDERING

BRAZING

WELDING

RIVETS

TEMPORARY

ADVANTAGES

• Very strong
• Easily put into material
• Difficult to undo
• Components are light and strong
• Simple, not much skill needed

DISADVANTAGES

• Cannot put them in different materials
• Difficult to do up and undo
• They're temporary
• Difficult to start

TAP AND THREAD

NUTS, BOLTS AND WASHERS

SCREWS

KD FITTING

ADHESIVE

ADVANTAGES

• Works on any material
• Works on any shape and size
• Protection against corrosion
• Light
• Reduces noise and vibrations

DISADVANTAGES

• Bonded components cannot be easily disassembled.
• Adhesive may be attacked by some chemicals.
• Not very strong
• Parts must mate well and provide bond area.
• Most adhesives limited to temperatures below 400 F

PVA

EPOXY RESIN

TENSOL CEMENT

CONTACT ADHESIVE