Bolts are a form of threaded fasteners with an external male thread necessitating a matching pre-formed female thread like a nut. Closely related to screws, bolts are used to join two or more objects by inserting them through those objects and securing them with a nut. Due to the nature of their design, they find use in a myriad of fastening applications.


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Bolts are a very common type of threaded fastener, and they come in a variety of types, shapes, and sizes to accommodate a diverse set of applications and needs. When exploring the market for bolts, you may have come across what are known as carriage bolts, those of which are commonly used to fasten metal or wooden workpieces together for a secure assembly. 


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Retaining rings, sometimes referred to as circlips or snap rings, are metallic fasteners that are placed on a groove or shaft, or placed within a bore or housing to retain an assembly of parts. Retaining rings are fairly easy to install, and despite their simplistic, compact design, they are able to secure parts with ease for a number of applications. As there are a few common types of retaining ring components with varying designs and uses, it is important to have a general understanding of each and how they may be used.


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Applied to machinery to aid in a myriad of operations, couplings serve the primary function of connecting two shafts together to efficiently transmit power while also allowing minimal part misalignment and/or end movement. Coming in various rigid or flexible types, the application of such devices can also be used to alter vibrations exposed to rotating parts, minimize shock transmission to protect surrounding items, connect driving components, and allow for slip during imposed overload situations. Depending on what your operational demands require, this blog will highlight common couplings and their primary function(s), that way you can best find the item you are in search of.


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Gear couplings are mechanical devices that provide a flexible connection to two rotating, non-collinear shafts by transmitting torque between them. The coupling type in any drive system is determined by the complexity of the connection, the field of operation, and the required torque transferability. Gear couplings are vital to many assemblies since they provide secure links to the system and stabilize dynamic vibrations that such connections may experience. Gear couplings may have one or two sleeves with two hubs of internal and external teeth conjoined as a continuous mechanical assembly. Couplings are the main components of aircraft turbines which are used to power aircraft pumps and motors. Since gear couplings are intrinsically fundamental to regular aircraft operations, learning more about their function and application is crucial.


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When one is dealing with an application or system that involves the use of fluid flow, there will almost always be some type of valve involved for fluid management. Valves may come in various types depending on the application in question, and flow control valves in particular are a common type that are used to regulate the flow of fluid in hydraulic circuits. By managing the amount of fluid supplied to various sections of a system, hydraulic motor assemblies, cylinders, and other apparatuses may be governed in terms of pressure, temperature, and other flow adjustments.


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The propeller of an aircraft is a device with radiating blades attached to a central hub, arranged so that each blade constitutes a part of the overall helical spiral. A propeller generates thrust due to the aerodynamic forces acting upon the blades from the circulating air around it, lending a forward motion to the aircraft. An engine is specifically designed to supply energy to the constantly rotating blades.


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The fuselage is one of the most important parts of aircraft, serving as the body that holds passengers and cargo. In fact, for some aircraft, fuselages hold engines as well. While all fuselages feature a shell-like design, they are available in a broad range of types, some of which will be covered in this blog.


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While achieving the ability of flight is of the utmost importance for any aircraft, having enough fuel to reach the intended destination can often be just as crucial. As running out of fuel can be an extremely hazardous situation for any aircraft, having fuel gauges and quantity indicators for tracking the current amount of fuel available for the engine is paramount. The fuel gauge or fuel quantity indicator present in an aircraft may vary depending on the application and type of aerial vehicle, and all may differ in their reliability, design, complexity, etc. As understanding how to use fuel gauges and fuel quantity indicators is necessary for any pilot, current or prospective, we will discuss their general design and functionality in this blog.


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Solenoid actuators are electromagnetic devices that are used to convert electrical signals or currents into mechanical linear motion. They consist of an adjustable wire-wound coil with an iron core that is connected to an electrical power supply, while a movable metal plunger is attached to a secondary mechanism. When an electric current energizes the coil, a powerful magnetic field is produced, pulling the plunger toward it and as a result, providing ample actuation movement.


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