Sheet Metal Fabrication Handbook Shop Practices
on CD

1-1. Purpose. This volume provides general information pertaining to the repair of aircraft metal structures. This volume is of maximum benefit to the mechanic who desires information about metals, metal-working tools and procedures, and airframe repair techniques. This volume furnishes the mechanic a source of information about how to perform various mechanical functions which are used on all aircraft


2-1 Sheet metal shop operations are covered in Chapters 2 and 3. Aircraft structures are discussed in Chapter 4. Information regarding structural metals and the forming of same are presented in Chapters 5 and 6. Chapter 7 covers rivets and riveting techniques, while sheet metal and sandwich construction repair methods are presented in Chapters 8


3-1 Shop equipment used in repair and manufacturing of sheet metal parts consists of cutting machines, hand tools, and forming machines.

Squaring Shears
Scroll Shears
Throatless Shears
Rotary Punch
Radius Gauge
Sheet Metal Holders
Cleco fastener
Cleco fastener pliers
Hand Shears
Aviation Snips
Bench Shears
Circle Snips
Countersinks
Punches
Automatic center punch
Transfer Punch
Forming Blocks
Sandbag
Bench Plates

Dolly Blocks and Stakes
Square stakes.
Double-seaming stakes.
Roundhead stake.
Bottom stake.
Needle case stake.
Conductor stake.
Candle mold stake.
Hatchet stake .
Creasing stake.
Beakhorn stake.
Blowhorn stake.
Solid mandrel stake
Hollow mandrel stake.

Powered Metal Cutting Machines.
Ketts Saw
Reciprocating Saw
Contour Band Saw

Metal Forming Machines.
Bar Folding Machine
Cornice Brake
Slip Roll Farmer
Shrinking and Stretching Machine