The European Machine Tool Industry Cooperation Council (CECIMO) believes that in recent months, there is no clear signal that the machine tool industry has entered a stable recovery phase. At present, the capacity utilization rate of most end-user industries is less than 70%. CECIMO pointed out that in order to achieve the recovery of the European machine tool industry in a short period of time, it is necessary to take the road of technological innovation, and it is necessary to encourage users to choose more energy-saving, precise and environmentally friendly. Technology.
Asia has become the world's major market for machine tool consumption. In 2009, China's machine tool consumption accounted for one-third of the world's total consumption. CECIMO and its member associations have realized this trend and are actively guiding and promoting bilateral trade. development of.
CECIMO believes that fair competition is the key to promoting trade between the European machine tool industry and China. The trade in machine tools between China and Europe is very important. In 2008, the total value of machine tools exported to China from Europe reached 1.8 billion euros. CECIMO called on relevant parties to create an effective legal environment and incentive mechanism to help improve the level of machine tool trade between China and Europe.
China is a major exporter of European machine tool manufacturers. In the first half of 2009 alone, machine tools exported to China accounted for 26% of all machine tool exports in Europe. Despite the economic crisis, European exports of machine tools to China were still compared with the same period in 2008. It has grown by nearly 25%. China has ranked first in the machine tool consumer market for seven consecutive years and accounted for one-third of global machine tool consumption in 2009.
The amount of European exports to China's machine tools is 10 times that of China's exports to Europe. Therefore, the machine tool industry is a rare industry in which Europe and China still maintain a trade surplus. European machine tool manufacturers' exports to China have been successful due to leading technology, patents and innovative products. CECIMO believes that Europe can only maintain its leading position in the machine tool industry by continuously investing in research and development. CECIMO supports the all-European machine tool industry to focus on cutting-edge technologies for future manufacturing.
The legal environment must be improved by harmonizing standards and removing trade barriers to promote global trade in the machine tool industry: CECIMO proposes that China's national standards (CHN) and international standards (EN/ISO) should be more integrated and corresponding to each other, making China's Local manufacturers and national testing centers recognize international standards. For example: CECIMO advocates global energy efficiency standards.
CECIMO also opposes any "buy home" behavior, which is believed to make local products more profitable. To this end, the European Machine Tool Cooperation Committee expressed dissatisfaction with China's recent revision of the free import machine tool license regulatory system, as it limits the import of some machine tools that cannot be manufactured locally. Under the premise of fair competition, China's manufacturing industry should be free to choose European machine tools, whether or not there are such products and technologies in the Chinese market.
At EMO2009, Mr. Wu Bolin, Executive Vice President of China Machine Tool Industry Association, met with the CEO of GF AgieCharmilles Group and Mr. Michael Hauser, the current Chairman of CECIMO. During the meeting, Mr. Hauser expressed the same view. He believes that in the context of the global financial crisis, the Chinese government's relevant response measures are timely and in place, which will make China the earliest and fastest-recovering country after the financial crisis. It will also make China is expected to achieve the world's number one machine tool production value in 2009. Mr. Hauser is full of confidence in the Chinese market and believes that China can not only maintain its position as the world's largest market for machine tools, but also China, Shenyang and Dalian, which may become the world's largest machine tool manufacturers in the near future.
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Linear Bearings
Linear motion is the most basic of all motion. Linear ball bearings provide linear movement in one direction.
A Roller Bearing, carries a load by placing rolling balls or rollers between two bearing rings called races. These bearings are comprised of an outer ring and several rows of balls retained by cages. Roller bearings are manufactured in two styles: ball slides and roller slides.
Ball Slides
Ball Bearing slides are the most common type of linear slide. They use self-lubricated ball bearings housed in the base. This arrangement offers smooth precise movement along a single-axis linear design. Typically constructed from aluminum, hardened cold rolled steel or galvanized steel, ball bearing slides consist of two linear rows of ball bearings contained by four rods located on opposite sides of the base, which support the carriage for smooth linear movement. This low-friction linear movement can be powered by a drive mechanism, by hand, or inertia. Ball bearing slides have a lower load capacity compared to other linear slides, this is because the balls are less resistant to wear and abrasions. Ball bearing slide applications include fragile instrumentation, robotics, cabinetry and appliances.
Roller Slides
Roller slides are non-motorized. Roller slides are based on linear roller bearings, which are frequently criss-crossed to provide heavier load capabilities and better movement control. They provide low-friction linear movement for hand-powered equipment. Roller slides are versatile and can be adjusted to meet numerous applications which typically include clean rooms, vacuum environments, material handling and automation machinery.
Consisting of a stationary linear base and a moving carriage, roller slides work similarly to ball slides, except that the bearings housed within the carriage are cylindrical shaped instead of ball shaped. The bearing races are "V" grooved, one being on the top carriage and the other on the base. Typically, carriages are constructed from aluminum and the rods and rollers are constructed from steel.
Although roller slides are not self-cleaning, they are suitable for environments with low levels dirt and dust. Roller slides are capable of providing linear motion on more than one axis through stackable slides and double carriages. Roller slides have a broader contact surface due to contact between the carriage and the base and resulting in less erosion.
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