Why is the accuracy of the machining process of mechanical parts increased?

Metal fittings, mold processing, steel processing, numerical control processing, precision machining, from the perspective of the past few years, the scope of use has become more and more extensive, and the role is also much better than before, mainly with the assistance of mechanical equipment, natural In terms of workmanship, the quality can also be improved. In terms of development of many industries, if there is no mechanical equipment processing, efficiency, or workmanship speed has a significant advantage compared with other manufacturers.

The pursuit of high precision is constantly advancing in the precision parts processing industry, and the manufacturing ability of automation equipment can not be improved. To innovate higher value for customers, the parts machining industry is very important. The products of the enterprise will be favored by the market, and the quality and fineness of the products are the main points that customers care about. Customers who choose you will not cooperate with you because of mutual familiarity. It must be that precision parts processing can meet the needs, improve the performance of equipment for it, improve the quality of products produced, and create more profits.

In the actual production and processing, we will always encounter various problems, and some technical problems will also occur in the processing of equipment, making the mistakes of precision parts processing more and more serious, what is it? What happened?

When the dynamic tracking error of the mechanical parts processing equipment is too large and an alarm occurs, you can check whether the speed of the servo motor is too high; whether the orientation detection element is good; whether the orientation response cable connector is in good contact; the corresponding simulation Check whether the output latch and gain potentiometer are good; whether the corresponding servo drive equipment is normal, etc., and check it in time.

Of course, if the overshoot of the CNC machine tool is moving, it will also cause poor machining accuracy of the parts. For example, the acceleration and deceleration time is too short, and the speed change time can be appropriately extended; or the servo motor reducer and the If the connection between the screws is loose or the rigidity is too poor, the gain of the azimuth ring can be appropriately reduced. It is worth noting that when the two axes of the parts processing equipment are linked together, under the influence of factors such as the axial deformation of the circle and the fault of the oblique ellipse, the machining accuracy of the parts will also deteriorate. The deformation may be caused by unadjusted machinery; and if the oblique ellipse is faulty, you need to check the azimuth error value of each axis first. If the error is too large, you can adjust the azimuth loop gain to clean it.

Various elements may change the machining accuracy of fine parts, which requires our technicians to master more professional knowledge, and machining enterprises are also highly dependent on talents , Enterprises should continue to introduce new equipment, and at the same time, they should also cultivate talents in various aspects, so that the product accuracy of enterprises can keep up with the needs of the times.

Machining of mechanical parts In terms of cutting tools, in the process of operation, the first choice is to use its diamond grinding wheel, which can effectively control the amount of cutting and feed to a certain extent. On the other hand, ductile grinding, i.e. nano-grinding, can be carried out during operation. Even the surface of glass can obtain an optical mirror surface.

The development trend of precision machining and ultra-precision machining From a long-term development concept, the manufacturing technology of its equipment was the primary strategy and direction of the development of the national economy of countries in the world at that time. It is one of the important means of economic development, and it is also a long-term plan for a country to be independent, prosperous, economically connected and stable, and technologically advanced. The development of science and technology also puts forward higher requirements for fine machining and ultra-precision machining skills.

High-power and high-precision machining and ultra-precision machining of precision fine machining can achieve extremely high surface quality and surface integrity to a certain extent, but the machining power can be sacrificed to ensure. When the drawing method is used, the very large deformation force is only 17t, while when the cold extrusion method is used, the deformation force is 132t. At this time, the unit pressure acting on the cold extrusion punch is more than 2300MPa. In addition to high strength, the mold also needs to have sufficient impact toughness and wear resistance.

The metal blank processed by mechanical parts is violently plastically deformed in the mold, which will increase the mold temperature to about 250 ° C ~ 300 ° C. Therefore, the mold material requires a certain tempering stability. Because of the above, the life of cold extrusion dies is much lower than that of stamping dies.

Precision machining seeks high reliability of products to a certain extent. During operation, parts such as bearings that are subjected to a load while doing relative motion can effectively reduce their surface roughness during operation. In this way, the wear resistance of the parts can be improved, the operation stability and the service life of the parts can be improved. Si3N4 used in high-speed and high-precision bearings. The surface roughness of ceramic balls is required to reach several nanometers. The chemical properties of the processed metamorphic layer are active and susceptible to erosion, so from the perspective of improving the corrosion resistance of the parts, the metamorphic layer produced by processing is required to be as small as possible.

Dongguan Yifeng Metal Co., Ltd. thinks that that firms can avoid the artificial choice between quantitative and qualitative risk management, allowing both to play important roles in surfacing and assessing risks.
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