Metal Fabs

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  1. The ability to resist abrasions, penetration, and distortion.
  2. Allows very little bending or shaping without shattering.
  3. Ability To be hammered,molded or shaped without cracking.
  4. Ability to be bent permanently or twisted into various shapes without breaking.
  5. Ability to return to its original shape after being deformed
  6. Ability to withstand tearing or shearing without breaking
  7. Actual weight of a material per cubic inch
  8. Ability to become liquid when heated.
  9. Ability to carry heat or electricity.
  10. Ability to shrink
  11. Ability to grow larger
  12. Resist being pulled apart
    tensile strength
  13. resist a crushing force
    compression strength
  14. resist being cut by scissor like action
    shear strength
  15. resist a twisting force.
    torsional strength
  16. resist deteroriation
    corrosion resistance
  17. group of metals having iron as their principle element
    Ferrous Metals
  18. Two types of Ferrous Metals Are?
    Carbon Steel And Steel Alloy
  19. Non Ferrous Metals Are?
    All metals that have elements other than iron as their principle element.
  20. (1XXX) Designation is For?
  21. (2XXX-8XXX) Is The Designator For?
    Aluminum Alloys
  22. Letter and numbers following the alloy designation which show the hardness of the metal.
    Temper Designation
  23. Measured In thousandths of an inch And printed as a decimal
  24. Thin Layer of pure aluminum that protects the base metal from Corrosion
    Clad Coating
  25. The two types of breaks Are?
    Short and Long Breaks
  26. The two Types Of Drawings Are?
    • Isometric-Give Three Dimensional or pictorial view of an object.
    • Orthographic- Show the exact shape of an object through the use of different views.
  27. Basic Views Include?
    • Front-Always drawn first 
    • Right-Located at right side of front
    • Left-Located left side of front
    • Rear-May be shown to the outside of the bottom,top,or either side view.
    • Top-Directly above front view
    • Bottom-Directly Below the front view
  28. Show the true shape and length of an inclined surface or other special features.
    Auxiliary Views
  29. Clarify internal or hidden features
    Sectional Views
  30. Show the alternate position of a part or the position of a missing part
    Phantom View
  31. Used to show relative location of parts
    Exploded view
  32. Used when Alignment check on an aircraft is performed
    Alignment Diagrams
  33. Normally Orthographic views of fuselage,wing, or empennage showing location of all structural componets.
    Station Diagrams
  34. Show relation of parts within a system, how they are connected and the arrangement of the componets.
    Schematic Diagram
  35. Drawing of an object that has been rolled, folded, or a combination of both, and then spread out on a plan or flat surface.
    Flat pattern Diagram
  36. Located at intersection of extension lines outside the formed part.
    Mold point
  37. Imaginary line that runs between mold points
    Mold Line
  38. Indicates the beginning and end of a bend.
    Bend Tangent
  39. Distance From the bend tangent line to the mold point.
  40. Amount of metal used to make a bend or the distance between the bend tangent lines.
    Bend Allowance
  41. Indicate exact amount of metal acquired to make part and is always drawn with a scribe.
    Cut Line
  42. Sharp steel pick used like a pencil for marking cut lines only.
  43. Consist of steel rule with an accurately machined head.
    Can measure and degree head
    Combination Square
  44. Lay out arcs or circles on metal transfer measurements divide lines into equal parts.
  45. The spacing on a ruler is
    8ths, 16th, 32nd and 64th
  46. Used to cut up to 1/16 of an inch.
    Are used to cut straight lines.
    Tinner Snips
  47. Have small serrations on the cutting edge to prevent slipping. Used for cutting spiral cuts or circles. 
    Max material thickness is 0.050 inch aluminum
    Aviation Snips
  48. Type of snips and how they cut?
    • Green- Cuts Right
    • Red- Cuts Left
    • Yellow- Cuts Middle
  49. Adjustable Frame that can be changed to hold blades from 8 to 16 inches long.
    Identified by number of teeth per inch.
    Made for cutting heavy metal to heavy for snips.
  50. Tool Hardened steel with cutting edges used for smoothing materials. Used to cut away material by removing small amounts of metal at a controlled speed.
  51. Shapes Of Files Are And What They Are Used For.
    • Flat- Flat surfaces and outside arcs
    • Triangular- Internal Angles and Corners
    • Square- Finishing Bottom Of Slots
    • Round-(Rat Tail)- Enlarging round holes and small arcs.
    • Half Round- Large Inside Arcs
  52. The two types of Cuts Are?
    • Single File- One row of chisel-shaped teeth set at an angle to the center line of the file
    • Double Cuts- Has A Second row of teeth set at an angle to the first row
  53. What is the order of Coarseness of Files
    • Coarse
    • Bastard
    • Second-Cut
    • Smooth
    • Dead Smooth
  54. Depends on the shape and hardness of material to be filed and on the finish desired
    File Selection
  55. 2 Type of Pneumatic Saws are?
    • Saber Saw- Light duty machine used for slow cutting or irregular cutting.
    • Skin Saw- Miniature handheld saw with a rotary disc blade that is adjustable
  56. Removes Damaged portion of an aircraft
    Saber Saw
  57. Allows cutting of aircraft skin that is attached to underlying structures without damaging the structures because of adjustable blade.
    Skin Saw
  58. Used to cut radii in corners and uniform hole patters.. (Composed of two turrets supported by a frame)
    Turret Punch
  59. Cutting Holes In The Center of large sheets of metal or fixed parts
    Chassis Punches
  60. The frame of the shear never obstructs the cutting operation. This allows sheets of any length to be cut.
    Throatless Shears
  61. Floor or bench mounted manually or power operated with beds ranging from 2ft. and up.
    Used for cutting heavy gage metal used for squaring, multiple cutting tool
    Squaring shears
  62. Use This when Deburring Metal?
    Oversized Twist Drill
  63. Giving desired shape to a piece of sheet metal
    Forming Aircraft Structures
  64. Heavy Metal Forms, Available in various shapes, such as curves and angles
  65. Anchored into a workbench, contains a variety of holes for different stakes.
    Stake Plate
  66. Bends the metal from outside to the middle

    Concave Bend
  67. Using glancing blows with a shrinking mallet to form convex bends.

    Convex Bend
  68. Designed to make straight line bends in a variety of sizes.
    Cornice Brake
  69. Most common breaks are?
    3 to 12 feet long
  70. 5 parts to a break are
    • Bed
    • Bedding Leaf
    • Balance Weights
    • Clamping Bar
    • Clamping Bar Handles.
  71. Almost simiilar to a cornice brake but the clamping bar is divided into sections that vary in width and are interchangable.
    Box and Pan Brakes
  72. Available in various sizes and capacities. Some are hand operated, others are power operated.
    Forming Sheet metal into curves and cylinders for various diameters.
    Slim Roll Former
  73. Bench mounted machine with two removable rollers that enable the mechanic to burr, turn,wire,bead and crimp sheet metal
    Rotary Machine
  74. The 5 types of Rolls Are?
    • Bending Rolls
    • Turning rolls
    • Wiring rolls
    • Crimping Rolls
    • Burring Rolls
  75. Floor Mounted press with a stationary lower base plate and a movable upper ram. Multipurpose machine. Pressing bearing races,bushings, and flanging dies into place when heavy gage metal is used.
    Hydraulic Press
  76. Bench mounted press, manually operated having a stationary base plate with a movable upper ram.
    Arbor Press
  77. Allows proper shape of metal to form when dies are pressed together. Used to form a bend or flange in the center of a sheet of metal without distortion such as lightning holes or beads in the center of a rib or bulkhead.
    Flanging Dies
  78. Hole in the center of various internal structures that has a flange made around the edge of it to add rigidity to the area. Reduces weight to structural members
    Lightning Holes
  79. Three ways to identify twist drill bits are by?
    • Inches- 1/16-4 inches or larger
    • Letter- A to Z A is Smallest Z Largest
    • Numbers- 80 to No. 1 80 being smallest 1 largest.
  80. (Hurdy Gurdy) portable drill used for drilling 1/4 inch holes or smaller when no power is available.
    Hand Drill
  81. Various speed and portable drill, requiring compressed air for operation. Comes in various shapes such as a inline 90 and pisitol.
    Pneumatic Drill
  82. Electrically Operated power machine. Two basic types: Bench mounted and Floor Mounted. Used on heavy duty and sensitive drilling.
    Drill Press
  83. Used to temporarily secure parts in position for drilling. Come in sizes ranging from 1/16 to 3/8 of an inch.
    Cleco Fasteners
  84. What are the identifiers for cleco fasteners. Color and size?
    • 1/16-Black
    • 3/32-Cadmium
    • 1/8-Copper
    • 5/32-Black
    • 3/16-Brass
    • 1/4-Green
    • 3/8-Red
  85. Distance from the center of the rivet to the nearest edge of the metal
    Edge distance
  86. Minimum edge distance is 2 1/2 times the distance of the rivet the max is 4 times the distance
  87. Minimum edge distance is 2 times the diameter of the rivet from the edge of the metal max is 4 times the Diameter.
  88. When rivets are placed to close sheet metal will crack or pull away from the rivet if to far away the sheet metal will turn up.
    Improper Edge Distance
  89. Distance between rivets in the same row, and this distance is measured from a rivet center to the next rivet center.
  90. Rivet Spacing is?
    Minimum diameter is 3 times diameter and max is 8 times diameter
  91. Used when two or more rivets are required. Rivets are staggered to obtain max strength. Using 75% of existing Rivet pitch.
    Transverse Pitch
  92. set the head of a screw or a rivet flush with the material in which it is being placed. Used on material.
  93. What are the two type of Machine Countersunk styles and what are their definition?
    • Non-Adjustable- Most commonly used using two or more cutting lips.
    • Adjustable- Better to use Produces more uniform cone shaped recess.
  94. Make recess shape to accommodate a flush head fastener without removing the metal. (Stronger Joint than the machine head)
    Dimple Countersinking
  95. Dimpling soft alloys and metal of 0.063 of an inch thickness or thinner.
    Press Dimpling
  96. Similar to press dimpling except that female die of the dimple is equipped with a spring loaded ram.
    Coin Dimpling
  97. Male and female die, which is manufactured to the shape and size of the flush fastener being installed.
    Hand Dimpling
  98. Used when one metal sheet is to thick to be dimpled and the second sheet is to thin to machine contersink
    combination method
  99. Two parts To Hi-Shear Rivet Are?
    And what is Hi-Shear rivets used for
    • Cadmium plated steel alloy stud
    • Anodized aluminum collar
    • Used for high shear strength applications.
  100. What are the head styles of Hi-Shear Rivets and what are they measured in?
    • Flathead
    • Countersunk Head
    • Diameter in 1/32 of an inch
    • Length in 1/16 of an inch
  101. High strength, blind structural fastener that consist of three parts.
  102. What are the 3 parts of a Jo-Bolt?
    • Alloy Steel nut
    • Threaded steel bolt
    • Corrosion-resistant steel sleeve
  103. The three head styles for a Jo-Bolt are and the sizes are?
    • Flush
    • Hex
    • Hex Millable 
    • Length- 1/16
    • Diameter 1/16
  104. Threaded Fastener that combine the best characteristics of a rivet and a bolt.
    Hi-Lok Fastener
  105. What are the head styles of Hi-Lok fasteners and what are the sizes?
    • Flush
    • Protruding
    • Diameter: 1/32
    • Length 1/16
  106. The two parts to hi-lok fasteners are?
    • Stud-Made from cadmium-plated steel alloy
    • Collar-Anadozied
  107. Dimple Head marking most common
    Alloy 2117
  108. Raised cross head marking, magnesium only
    Alloy 5056
  109. 1XThickness of Sheet=
    Minimum Diameter
  110. The 5 types of Pneumatic rivet guns are?
    • Fast hitting
    • Slow Hitting
    • Corning Riviter
    • One Shot 
    • Squeeze rivet
  111. Shape the bucktail of a solid shank rivet.
    Bucking Bar
  112. Used on components in place of solid shanks rivets when a bucking bar cannot be positioned properly
    Blind Rivets
  113. Two types of Blind Rivets Are?
    • Mechanical Lock- Used on components in place of solid shank rivets.
    • Three Parts: Shank,Lock, Stem
    • Friction Lock- Almost the same as mechanical lock but stem is held in place by friction.
  114. Two types of Rivet guns are
    • Hand operated 
    • Pneumatic
  115. Main structure unit of fixed wing and rotary wing aircraft. Houses the crew, passengers and cargo
  116. Light Metal that is often circular or oval shaped
    Vertical Rings
  117. Internal Assemblies that are located where concentrated loads and external parts are attached.
    Station Webs
  118. Stronger Heavier than vertical rings giving shape.
  119. Vertical members used to close on area from another.
  120. Principle longitudinal members used to fill in between longerous to give added strength.
  121. Short Light structural members used to fill in between longerons to give added strength
  122. To classes of Designs for aircraft structures are? And Give a Description
    • Monocoque- design relies largely on the strength of the skin or covering to cary the various loads.
    • Semimonocoque- Overcomes strength to weight problem of monocoque has skin reinforced by a complete frame of structural members.
  123. Two types of Airfoils Are?
    • Cantilever
    • Rotary Wing
  124. 3 parts to Cantilever wings are?
    • Ribs
    • Spar
    • Stringers
  125. The 6 parts to Rotary wings are?
    • Roof end
    • Blade Cuff
    • Abrasion Strip
    • Trailing end
    • Blade Spar
    • Leading Edge
    • Tip End
  126. Type of Fixed wing Tail Group
  127. 4 parts of an Empenage is
    • Vertical Stabilizer
    • Horizontal Stabilizer
    • Rudder
    • Elavator
  128. Controls rolling,motion of the aircraft alongthe longitudinal   axis
  129. Controls the pitching motion of the aircraft on the lateral axis
  130. Controls the yawing motion of the aircraft along the vertical axis
  131. Produced anti-torque forces which may be varied by the pilot to control flight heading thus providing direction control (YAW)
    Tail Rotor
  132. Indicate Vertical planes parallel to the plane of symmetry. PLane of symmetry is vertical plane through the longitudinal centerline of the aircraft
    Buttock Lines
  133. Indicate horizontal planes parallel to the ground.
  134. 3 Shapes to a flush patch are
    • Round 
    • Square
    • Rectangular
  135. Manual for Repairs
  136. General Manual For Structural Repairs
    NAVAIR 01-1A-1
Card Set:
Metal Fabs
2013-06-23 14:59:56
Metal fab

Metal fabs
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