For manufacturers of airplane parts, it is important to know that most important parts, such as wings and other structures designed to withstand strong forces, are mainly made by milling, turning, and other cutting methods rather than forming methods. Because the entire workpiece is processed into a single compact and rigid workpiece, the workpiece can be used under extreme conditions and maintain reliability.
Most airplane parts machining facilities are the machining center family, because of its multi-directional processing capabilities, it can process complex angles well. Just like heavy-duty lathes, there are many demands for heavy-duty machining centers around the world. This processing demand mainly comes from the aerospace industry, and the applications vary from airplane to space shuttle manufacturing lines. Regarding the design and model, there are gantry type, double column (either fixed column or movable column), and vertical type, etc. In addition to the double-column design of the machining center frame, the gantry machining center is also a highly developed machine tool that can deal with many heavy-duty precision machining tasks at once on a single machine.
In fact, the milling process of a heavy-duty machining center is a machining process that utilizes a spinning tool with higher torque to remove work piece materials by advancing a hardened cutting tool into one or several rigid work pieces. This machining method could be done on different directions. Nowadays, heavy duty means high vibration resistance and high value in Finite Element Analysis (FEA), users can use them to process resilient materials, and most heavy duty machining centers are designed at least four or more axis as for the convenience. In this article, we will discuss the 5-axis cases.
The invention of the machining center originated from a milling machine or a specially programmed CNC milling machine. There is a blur line between whether milling-based machinery is a machining center or just a milling machine. To explain more simply, there are a variety of cutting machines based on milling. While conventional manual milling machines stand at the one end, and multiple axis machining centers with automation system equipment stand at the other end. The traditional machining center is designed with at least three axes, namely x, y and z. For vertical and horizontal models, either one can be equipped with other axes to make the machine a 5-axis. As important variables of the working table, the x, y, and z axis can move onto two new working dimensions that permit multiple angles of possible cutting procedures and routes.
Here, let's see some of the most basic airplane parts, they are the engine, tail, wings, cockpit, fuselage, and landing gear. Not all parts are made one hundred by cutting nor molding, but complex production behaviors. For the engine, it is a large cylindrical device located under or above the wings, which can propel the airplane forward in the sense of direction. The engine can be a simple propeller or jet engine, while in modern airplane production is mainly a jet engine. Regarding the fuselage, it is the main body of the aircraft, which holds the aircraft together, the pilot sits at the front of the fuselage, and the passengers and cargo in the back. Since then, the cockpit is the area at the front of the fuselage from where the pilot operates the aircraft, which contains the instrument panel, flight controls, pilot seat, rudder pedal, overhead panel, side console, etc. Speaking of wings, this is essential for flying through lift, but they have many wing parts that can control the magnitude and direction of lift, such as ailerons, flaps, winglet, slats, and spoilers.
First, the aileron is one of the three primary control surfaces. They control the aircraft together with the elevator and rudder and are located on the trailing edge of the wing to help control the airplane's roll. When the pilot turns left in the cockpit where he or she is located, the left aileron rises, reducing the lift on that side, and the right aileron descends, increasing the lift, which causes the side to rise. This will cause the aircraft to roll to the left and then begin to turn. Regarding flaps, like ailerons, they are located on the trailing edge of the wing. However, unlike the ailerons, the flaps move symmetrically on both sides, resulting in greater lift and drag.
These airplane parts are critical, they must be very strong to withstand strong forces, so the processing and machining of these parts is very important to the manufacture., On the production line, how to deal with and what to deal with are decisive. In addition, workpieces such as medical equipment parts and medical spare parts are also complex profiles, which need to be processed in a series of working procedures like the airplane parts introduced above in this article. These working procedures need to be programmed in advanced computers system.
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