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As a rookie force in the manufacturing industry, 3D printing technology is a revolutionary new manufacturing technology. It has changed the processing mode of cutting and assembling raw materials, and has realized manufacturing at any time, anywhere, and according to different needs.
Since the advent of 3D printing technology, the industry has been constantly rumors. Many people in the industry believe that it will subvert the traditional manufacturing mode of production. Some people even predict that 3D printing technology will replace the current CNC machine tools in the near future.
Indeed, as a new force, 3D printing technology has advantages that cannot be matched by current CNC machine tools. Its advantages are mainly manifested in the following aspects:
1. Theoretically, as long as the computer can design the shape, 3D printers can be printed out, consumers simply download the design, you can print whatever you want in a matter of hours, meet the people's Personalized requirements;
2. Because the 3D printing technology uses a processing method of adding materials, compared with the reduction of material processing of CNC machine tools, it avoids the waste of raw materials, processing the same thing, and its material is only 1/3 of the original 1/2, which reduces the cost of processed materials;
The manufacturing speed of the 3.3D printer is very fast, which is nearly 3 to 4 times faster than the CNC machine tool, especially when printing complex shapes.
However, the 3D printing technology is not a universal box, but it is also not satisfactory. Its disadvantages are as follows:
1. At present, due to the difficulty of research and development of additive-manufactured materials, the manufacturing cost of 3D printing is high, generally reaching 10-100 yuan per gram;
2. The manufacturing efficiency is not high, especially in the formation of metal materials, about 100-3000 grams per hour.
3. In the current situation, 3D printing technology is not very mature, so its manufacturing accuracy cannot be compared with the traditional ultra-precision processing technology.
In short, as far as the current situation is concerned, 3D printing technology complements and perfects traditional manufacturing technologies such as cutting, casting, forging, and welding, and it is impossible to completely replace traditional manufacturing technologies. In high-volume manufacturing, high-efficiency and low-cost The traditional material reduction method is even better!
However, speaking from another aspect, 3D printing technology and CNC machine tools do not have to fight for you. If 3D printing technology can be integrated into the machine tool domain, it is undoubtedly a powerful addition to CNC machine tools. Not only can the manufacturing efficiency be improved, but many manufacturing challenges can also be accomplished, which will also bring a leap to the development of CNC machine tools!
A truly ideal machine tool should be what the customer wants to build, what is created, the degree of numerical control is extremely high, the efficiency is high, and the price is moderate, the production cost is low, it is easy to transport, and it combines various advantages in one, CNC machine tool technology and 3D printing technology. Mutual benefit and win-win, complement each other, maybe this is their common spring!
China Machinery Industry Federation recently released a report saying that since the beginning of this year, the machinery industry has continued its weak recovery trend since last year. However, due to factors such as rising costs and overcapacity, the entire industry can hardly be improved. It is expected that there will be a mild upward trend throughout the year.
Under the pressure of economic downturn at home and abroad, and under the severe background of the industry's operating situation, the machinery industry's production and product import and export conditions are relatively good, showing a steady development trend.
In the first four months, the added value of enterprises above designated size in China's machinery industry increased by 9.1% year-on-year, slightly higher than the level of the same period of last year; the growth rate of shipping value continued to decline, showing a relatively low level in the past two years; cumulative export of machinery industry maintained growth, and imports declined. Narrow; In the month of April, the import growth and export growth of the machinery industry all turned negative.
From January to April, the total import and export volume of the machinery industry reached US$203.112 billion, down 0.31% year-on-year and 2.07 percentage points lower than the January-March decline. Exports reached US$113.135 billion, a year-on-year increase of 4.19%, and the growth rate was 1 to 3%. The monthly increase was 0.24 percentage points; the import value was 89.798 billion US dollars, a year-on-year decrease of 5.47%, a decrease of 3.96 percentage points from January to March, and the cumulative import and export trade surplus was 23.517 billion US dollars.
From January to April, among the 92 kinds of machinery industry import and export products, there were 35 kinds of products with cumulative increase in import year-on-year, and there were 51 kinds of products with cumulative increase in export year-on-year. Among them, the three most imported products are automobiles, auto parts and four-wheel drive light off-road vehicles. The three most cumulative exports are automotive parts, wire and cable, and automobiles. The industries with rapid growth in import growth from the previous month were agricultural machinery, food packaging machinery, and other civilian machinery industries, which were 51.45, 39.65, and 23.47 percentage points, respectively, and the growth rate increased from negative growth to positive growth.
Fixed asset investment achieves double-digit growth
The report shows that from January to March, the machinery industry completed 585.39 billion yuan in investment in fixed assets, an increase of 17.15% year-on-year, an increase of 3.84 percentage points from January to February. Nevertheless, it is still lower than the growth rate of manufacturing and social investment.
The statistical results of the report further show that in the aspect of product prices, the cumulative factory prices of 82 kinds of products counted in the 142 kinds of mechanical products fell year-on-year, accounting for 57.75% of the total. The cumulative price index in March 2013 and March 2012 Compared with the cumulative price index, there are 101 types of products whose price index levels have decreased. Among them, products with large fallback rates include special instrumentation for agriculture, forestry, animal husbandry and fishery, other metal wire ropes and their products, power station boilers, industrial steam turbines, modular machine tools, boring machines, industrial scales, tower equipment, etc., which fell more than 8 percent. . The number of products falling behind and the extent of the products are large, which was relatively rare before. However, people in the industry believe that the price fluctuations are usually large in the first quarter. The future price trend needs further observation.
In addition, of the 119 major products of China National Air Lines, cumulative cumulative growth for the first 4 months was 65, which accounted for 54.62% of all reported product varieties; and production of 54 products decreased compared to last year.
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At present, 3D printing technology has become a very popular search term. Although it is still at its infancy, the 3D printing technology market has already emerged as a promising prospect. According to the “International Additive Manufacturing Industry Development Report†statistics, in 2011, The direct output value of 3D printing technology has reached 1.714 billion U.S. dollars, an increase of 29.1% over the previous year. It is predicted that by 2015, its market size will reach 3.7 billion US dollars.
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January 23, 2024