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With the convening of the “two sessions” in various regions, investment growth targets in 2013 and major investment projects such as water conservancy, railways, and urban rail transit are gradually clear, and the long-term driving force of urbanization has again opened up the growth space for construction machinery and heavy truck industries. Since the fourth quarter of last year, the trend of continuous improvement in the industry's economic cycle has continued in the first quarter of...
The key to less axis machining is the limitations of analyzing the results in determining part settings and tool path calculations. Machining environment and machinable conditions 1. Processing environment The machining environment used in this paper consists of a 3-axis vertical milling machine and a pitching indexing table as shown. If the workpiece coordinate system (WCF) turntable coordinate system (ICF) and the machine coordinate system (MCF) are respectively established. The ICF is placed...
Http://2011-07-20 Editor: Ruijing imported bearings It is reported that the 8 newly-built and rebuilt highways are Chaoyang North Road (Chaoyang Gate to Tongzhou), Tongma Road (Tongzhou to Maju Bridge), FAG Bearing Jingjia Road Huairou County, Pingshuo Road, and 104 National Road North (four Ring Road to De Mao), 108 National Road, Sixth Ring Road to Shimenying Section, Anji Road (Lishui Bridge to Jingmi diversion canal), National Highway 110 Yanqing County section and mountain section....
The factors affecting the surface roughness of the machined parts are as follows: (1) The transmission gap of the table is too large, and when the bevel or the arc surface is cut, the zigzag shape will be generated; 2 the axial displacement of the guide wheel, the roundness of the guide wheel is not qualified, and the center line of the guide wheel is not On one plane, the axial movement of the wire barrel will cause the plane of the workpiece to be uneven, and the electrode wire will produce a...
In recent years, companies represented by China National Transport and Import and Export Corporation, China Road and Bridge Engineering Co., Ltd., Sany Heavy Industry, Xi'an Dagang, etc. have continued to enter the international market, and many Chinese-made transportation and construction machinery have expanded overseas markets through various means. According to the data, in 2013, the export volume of Beijing Juyang Road Machinery was US$28.0 million. In the first quarter of this year,...
Recently, a long-type CNC drilling and milling machine developed by Jingde Textile Machinery Co., Ltd. Changde Textile Machinery Co., Ltd. was successfully launched. The machine is 8 meters long and can adapt to the processing needs of long-distance parts of 180~260-inch wide warp knitting machine. It is the key equipment for warp knitting machine production. This CNC drilling and milling machine is designed to fill the domestic gap and develop a new variety of Chinese long warp knitting...
On June 8, Sany 4G mobile phone was officially shipped. As of press time, the sales volume of the phone was 864 units. The news of "Sany Heavy Industry Co., Ltd. making mobile phones" has caused many discussions inside and outside the industry. However, in the face of the overall macro-trend of the current weak demand of the entire construction machinery industry, it is clear that making a smart phone can not solve the problem of corporate growth. The problem of fatigue. According to...
Matsuura Machinery has recently added a new model "H.Plus-500" to the "H.Plus Series" Horizontal Machining Center (MC), which can process workpieces up to 850 x 900 mm in diameter. Shorter non-cutting times and more thorough chip handling are achieved through the use of automatic tool change (ATC) and automatic tray exchange (APC). ATC and APC use cam mode. In addition, ATC can complete the Chip To Chip in just 4.2 seconds by interlocking with ATC's robotic arm and...
In 2003, the production and sales of the construction machinery industry exceeded 100 billion yuan, and all kinds of product varieties had a substantial increase, and many products continued to maintain a growth rate of over 50%. According to statistics, the annual sales volume of excavators has reached 35,000 units, and the annual production and sales volume of loaders has reached 80,000 units. However, there are some problems that are worth exploring and thinking about. Reloading of loader...
The CNC system of the machining center developed by Guangzhou CNC Equipment Co., Ltd. was exhibited at the 10th China International Machine Tool Exhibition and was well received. The CNC system developed by Guangzhou CNC has adopted the Pentium processor to achieve high-speed control. The system is simple to operate, shortens the adaptation time of workers and improves production efficiency. This system uses 54 G commands of international standards, including 13 compound cycle commands, which...
Guangxi Liugong has announced that it will bring its world-class products to the 2009 Beijing International Construction Machinery Exhibition (BICES2009), which will be unveiled in Beijing on November 3rd. It will showcase the top domestic and internationally influential earth and rock machinery and pavements. There are 13 product lines in the five fields of machinery, small machinery, industrial vehicles and lifting and transportation machinery. The exhibited products are the latest products...
Matsuura Machinery has recently added a new model "H.Plus-500" to the "H.Plus Series" Horizontal Machining Center (MC), which can process workpieces up to 850 x 900 mm in diameter. Shorter non-cutting times and more thorough chip handling are achieved through the use of automatic tool change (ATC) and automatic tray exchange (APC). ATC and APC use cam mode. In addition, ATC can complete the Chip To Chip in just 4.2 seconds by interlocking with ATC's robotic arm and...
Recently, Yuchai Heavy Industries Co., Ltd. and Luchuan Production Base held a grand ceremony for the production of new products, such as medium and large excavation and rotary drilling rigs. 2009 is the 20th anniversary of the construction of Yuchai Heavy Industry, and is also the first year of Yuchai Heavy Industry's transformation from Yuchai Small Digging to Yuchai Heavy Industry. The successful offline production of new products such as Zhongda excavation and rotary drilling rigs is a...
Single chip microcomputer STM32L151CCU6 SMD aluminum electrolytic capacitor 1. Mechanical part The machine tool consists of two parts: the work table, the main shaft slide, etc. are moving parts; the bed, the base, the column, etc. are non-moving parts. (1) CNC milling and CNC machining centers have high requirements on the non-moving parts and moving parts of CNC milling and CNC machining centers, so heavy cutting can be performed. However, because the moving parts are also huge, the machine...
China National Heavy Duty Truck predicts that the domestic demand for heavy trucks will continue to grow in the next five years. The state will invest 100 billion yuan in strengthening disaster prevention, disaster relief, various infrastructure projects, and the development of the western region. Based on the development of heavy-duty trucks, Sinotruk aims to diversify risks. In the future, it will also develop mid-sized trucks, light trucks, large passenger vehicles and construction...
Programmable Package SG-8018CA(SG7050C) 0.67M~170M Factory direct 0805 red light quality absolutely guaranteed price absolute advantage Photocoupler When CNC machining returns to the reference point, it is divided into absolute pulse encoder mode and incremental pulse encoder mode according to different detection components. The system using absolute pulse encoder as feedback component is used in the normal use process after the machine is installed and debugged. The backup battery of the...
Recently, CNHTC Group established the Haidou Engineering Machinery Division in Qingdao on the basis of the construction machinery division of China National Heavy Duty Truck Group Co., Ltd., which has been established for over a year. The Haidou Engineering Vehicle Division has developed four types of construction machinery from 2009 to 2010. This research and development speed is unprecedented in the domestic construction machinery industry. Not long ago, the newly developed prototype HW240...
Along with the continuous expansion of domestic automobile, machinery manufacturing, aerospace, military, shipbuilding, high-speed rail and other research and development scales, it has made the research and development of domestic CNC machine tools and the processing technology of super-large equipment parts have been qualitatively improved.
Recently, Nokia Tire Corporation of Finland launched three new OTR tires , namely TRI 2 Extreme Steel agricultural tires, Grip 3 loader tires, and Nordman all-steel radial tires . It is understood that the TRI 2 Extreme Steel is a new member of the TRI 2 agricultural tire series, which is reinforced with structural features of the steel belt. Grip 3 takes full account of the earthwork needs and applies it to construction sites. Nordman is a tire tailored for the mining industry. Nokia Tire Co.,...
Makino Milling Machine Co., Ltd. has marketed the EDM2/EDAF3, which is suitable for manufacturing multi-cavity molds for precision parts such as LEDs and narrow-pitch connectors. The structure that controls the influence of heat generated by the discharge makes it possible to maintain stable machining accuracy for a long time. The machining accuracy in the depth direction is up to ±2μm. Processing time can be reduced by about half compared to the company's original products. Robots and...
QSF 2.8 is Cummins's smallest industrial fully-electrically controlled, high-pressure common-rail diesel engine launched this year. It was first presented at the INTERMAT Construction Machinery Exhibition in Paris in April. It is the industry's first choice with a short and small size. Its power is 46-74 hp (35-54 kW). ), to meet the European and American Stage IIIA/Stage IIIB (Tier 4 Final) emission standards, the volume and weight of the engine is equivalent to a smaller displacement,...
The accuracy error of CNC milling and machining center is caused by external conditions and is greatly affected by external conditions. It can be divided into: the positioning accuracy error affected by the load of the tooling, the geometric accuracy error caused by the internal stress, and the shape error caused by the thermal deformation. The accuracy error of CNC milling and machining center is caused by external conditions and is greatly affected by external conditions. It can be divided...
With the recovery of the macro economy and the progress of urbanization, the construction machinery industry recovered significantly in early 2013, and many companies ushered in a “good start”. Recently, in the "2013 first round of large-scale linkage Thanksgiving Thanksgiving Order", the company won more than 1,600 excavator orders in one fell swoop, worth as much as 1 billion yuan, setting a new order record for the construction machinery industry. In addition, according to the...
Li Liancheng, Minister of Process Technology Department of Xuzhou Heavy Machinery Co., Ltd. As the requirements for product manufacturing are getting higher and higher, the construction machinery industry is facing increasingly fierce challenges, and the importance of processing efficiency is becoming increasingly prominent. Each host manufacturer should constantly master various advanced processing technologies and be flexible with the site conditions. Application can shorten the manufacturing...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.