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What are the advantages of CNC machining of radiator parts?

For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The

What errors may occur during CNC machining and CNC machining​?

 CNC machining and numerical control machining are a method to control the movement of machine tools and the production process of machining through computer digitization and information digitization. It is an intelligent numerical control device developed as an economical, high-speed, reliable, multi-functional, intelligent, and open structure. CNC machining is also an important indicator that can measure the continuous level and comprehensive ability of a safety technology, as well as the degree of modernization of related science and technology capabilities, especially in aviation, biology, medical and other high-tech cultural industries, and it is also a powerful indicator. reflect. So, what errors may occur during CNC machining and CNC machining? Let us understand together:   The use of approximate machining motion or approximate tool contours causes errors in the CNC principle of machining. The reason why it is called machining principle error is because of the error in machining

Investment Casting Materials and Manufacturing Process

Mold material The performance of the molding material should not only ensure the convenient production of investment molds with accurate dimensions and high surface finish, good strength and light weight, but also create conditions for the manufacture of mold shells and good castings. Molding materials are generally formulated with waxes, natural resins and plastics (synthetic resins). All mold materials mainly prepared with wax materials are called wax-based mold materials, and their melting point is low, 60~70 ° C; all mold materials mainly prepared with natural resins are called resin-based mold materials, with a slightly higher melting point, about 70 °C. ~120℃. invest-casting.com   Precision Investment Castings China prototype company service include :  High Quality Investment Casting Parts Custom , Lost Wax Investment Casting Sand Casting , Lost Foam Casting , Gravity Casting , Die Casting , Graphite Casting , Casting Moldsmanufacturers . Manufacture of Folding Investments In t

Used for intelligent fault-tolerant semi-physical simulation experiment of engine control system

 

Construction and debugging of semi-physical closed-loop control system. This paper first established a component-level real-time model of a certain type of turboshaft engine, and then used this real-time model to form a closed-loop system on a mechanical hydraulic fuel regulation system. This experiment was carried out on the turboshaft engine semi-physical simulation experiment platform of 608 Institute. The experimental device is shown in Figure 2. The engine digital simulator is equipped with a real-time component-level model of a turboshaft engine. According to the position of the load rod (given by the potentiometer outside the experimental device) and the fuel flow rate Gfu, the gas generator speed N and power turbine speed are calculated from the model. N. The static pressure P and N at the outlet of the compressor are sent to the control cabinet through the AD channel output speed signal to drive the motor 1 and the motor 2 respectively; and the output pressure P electrical signal is converted into a pressure signal through electrical conversion, and the pressure signal after passing through the voltage divider The pressure is P′ and is sent to the fuel control system. The automatic fuel controller controls the N speed to maintain a constant speed by reflecting the fuel-air ratio G’. Since the numerical control system of the turboshaft engine is still under development, this experiment uses a hydraulic-mechanical fuel control system instead.

This article first conducted an open-loop acceleration and deceleration test. After a preliminary assessment of the system’s work, the closed loop can be cut into the closed loop only by making the fuel flow at the starting point approximately the same. During the closed-loop experiment, the strong fuel oscillation was caused when the load rod was pushed, so that the system could not work normally. After analyzing the experimental results, the following methods were adopted: (1) Increase the resistance of the fuel regulator: semi-physical simulation research on the intelligent fault tolerance technology of the engine numerical control system, reduce the magnification; (2) increase the interrupt timing program, and Simplify the real-time graphical interface, all curves and digital quantities are displayed in the simplest way, and the interface is convenient and friendly. *The problem of fuel oscillation has been solved afterwards. It should be noted that the same oscillation phenomenon occurred during the bench test of this system together with the engine, which was also solved by increasing the damping and reducing the magnification. The results of the semi-physical simulation experiment of the engine control system show that the results of the semi-physical simulation experiment are consistent with the bench test phenomenon of the turboshaft engine. The system can be used in the intelligent fault-tolerant semi-physical simulation experiment of the engine control system.

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