Which industries will CNC precision machining technology promote?

In precision machining, the torsion table (commonly known as the turntable) is used to process multi-station workpieces, including rotary parts, so the torsion center of the turntable in the mechanical parts processing plant is required to be fixed. The solution That is, there must be a mandrel inserted into the chassis at the center of the B-axis large plate to fix the torsion center of the turntable.

The machine zero point of X-axis is set at the position coincident with the rotation center of B-axis. In this way, when CNC precision machining revolving body, after adjusting the workpiece to the center of the turntable, you can directly use this machine tool X The axis zero point is used as the zero point of the workpiece coordinate, and there is no need to rely on the side of the workpiece to obtain the workpiece zero point. But for the semi-closed-loop control system, this is not necessary, because its zero point must be near the limit at the end of the shaft.

The height of the precision machining turntable table must be installed according to the height of the machine to be processed later. The workpiece and the lower limit of the Y-axis of the column are comprehensively considered to prevent the poor fit to reduce the use rate of the Y-axis. But for the mechanical parts processing factory, if the table is too low, it can only add pads under the workpiece of the precision parts, and it is not advisable to risk moving or canceling the lower limit of the Y-axis.

Many parts and assemblies have certain disadvantages of their own. For example, some do not meet the appearance requirements, and some have certain restrictions on the scope of application. In short, these parts themselves have certain defects, which will bring certain problems and troubles to their own industrial production in the process of use. After

many medium-sized parts also need to be assembled, so Precision mechanical parts processing plants will reprocess for such needs. After processing various parts, we can get parts that are more suitable for us. Therefore, in order to make these products serve us better, precision machining plays an insignificant role in life and production.

With the change of the current era, the workmanship of science and technology and the workmanship of mechanical equipment are becoming more and more convenient, and the effect is getting better and better. The automation of machinery and equipment reduces labor, or the processing of personnel, etc., it is still obvious to improve efficiency.

CNC precision machining technology is an advanced manufacturing technology developed to meet the needs of modern high-tech, and is the basis for other high-tech implementations. It comprehensively applies the new achievements of modern electronics, sensing technology, optics and computers and other mechanical technologies and high-tech development. It is the basic technology of high-tech platforms and plays a vital role in the modernization of national defense science and technology and the construction of the national economy. effect. At the same time, as a basic technology and an important component of high-tech, it promotes the cross-development and development of many technologies such as semiconductor technology, optoelectronic technology and material science, processing methods with a processing accuracy of 1 micron, and precision machining in a strictly controlled environment. Conditions are achieved using precision machine tools and precision instruments and meters.

The machining accuracy reaches and exceeds 0.1 micron, which is called ultra-precision machining. In the aerospace industry, precision machining is mainly used to process precision mechanical parts in aircraft control equipment, such as precision parts in hydraulic and good motion servo systems, gyroscope frames, housings, air floats, liquid bearing assemblies and floats, etc. Precision parts have complex structures, low stiffness, high precision, and a large proportion of difficult-to-machine materials. The effects of the precision machining process are as follows:

1. The geometrical shape and mutual position accuracy of the parts reach microns or arcseconds;

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2. The limit or feature size of the part is smaller than micron;

3. The microscopic non-uniformity of the part surface (average height difference of surface irregularities) is less than 0.1 micron;

4. Complementary parts can meet the requirements of the mating force;

5. The parts can also meet the requirements of precision machinery or other physical properties, such as the torsional stiffness and flexibility of the torsion bar of the floating gyroscope The stiffness factor of the part.

In recent years, most of automobiles, mold parts and metal processing have adopted the production form centered on CNC machine tools. When carrying out hole processing, most of them use advanced equipment, such as machining centers and CNC machining machine tools, High-speed, high-precision drilling has been performed on the machine. Regardless of precision machining on any platform, achieving high precision and high speed is an important competitive means to obtain user orders.

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