Aircraft Structures Tools - Before installing the repair parts into the airframe, the new parts must be measured and marked or adjusted to the required specifications for the repair. This section discusses the tools used in this process.
Scales come in a variety of lengths, with 6-inch and 12-inch scales being the most common and most expensive. A scale with fractions on one side and decimals on the other is very useful.
Aircraft Structures Tools
To get an accurate measurement, hold the tape measure at the 1-inch mark instead of the end. Use the dimension marks on the side to install a divider or compass. [Figure 1]
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The compound consists of a square steel rod with three ends that can be moved to any position on the scale and locked in place. An angle probe with three ends measuring 90° and 45° angles, a length that can measure any angle between the tip and the blade, and a center probe that uses one side of the support to either side of the 90° angle. . The center of the shaft is found with the center head. Place the tip of the arrow at the end of the V and draw a line along the edge of the scale. Rotate the head about 90° and draw another line on the edge of the dimension. These two lines cross in the center of the axis. [Figure 2]
Dividers are used to transfer the measurement from the device to the scale to determine its value. Place the sharp points where the measurements will be taken. Then place the dots on the gauge of the steel car, but place one of the dots 1 inch apart and measure from there. [Figure 3]
Main spaces are used to quickly and clearly place main shapes on a sheet. Floating spacers have alignment marks for 1⁄2-inch, 3⁄4-inch, 1-inch, and 2-inch grid spacing. [Figure 4] Whether it is an aircraft wing, wing box structure, or other aircraft component, it is not easy and inexpensive to drill large holes in an aircraft structure. Cutting tools, used primarily by drillers and repairers, are used to drill, open, and cut holes in various piled or layered materials, such as coal, on advanced boring machines with diameters of 12.7 to 38.1 mm (0.5 to 1.5 in.) or larger. Fiber reinforced plastics, aluminum and titanium.
To complete this process, aerospace engineers and machine shop workers typically use long, expensive tools, such as carbon, to drill the few holes needed for each structure, resulting in a very high cost per well.
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A plane joint drill with a diameter of 12.7 to 38.1 mm or larger is used for turning piled materials.
Process costs include setup time, tool changeover time, tool price, and the logistics of manufacturing a solid drill bit, which is at least twice as much as a modular drill head. To keep costs down, YG-1 Tools (USA) Co., Ltd. Vernon Hills, Illinois, has introduced a new modular fuselage and fuselage to the aerospace market. This modular drill maintains the geometry that has been successfully produced with solid drills, but at a fraction of the cost. Although drill heads and bodies are approximately 50% more expensive than core drills initially, head replacement costs 75-90% less than core drills.
There are three main value-adds behind the modular drilling concept for end-users such as aircraft OEMs, Tier 1 suppliers and other manufacturers.
Abdelatif Atarsia, based in Charlotte, North Carolina, is director of composites and aircraft assembly at YG-1 Weapons (USA), Inc. in Mount Vernon, Illinois. For more information about the company's cutting tools, visit www.usa.com or call 800-765-8665.
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