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发布时间: 2013 - 11 - 29
The grinder is a national 863 support project in 2008.The machine tool adopts the grinding method which is based on the grinding point cut. It does not need the auxiliary mechanism such as eccentric fixture, indexing device and so on. Using imported spindle system, the maximum speed of CBN grinding wheel can reach 120m/s. We have developed the interpolation software of the crankshaft cutting point tracking and grinding, and the grinding point of the grinding wheel is always following the rotation of the crankshaft to realize the high precision grinding of the crankshaft. The feed of the grinding wheel is driven by straight line, which has the characteristics of high acceleration response. At the same time, the rigidity and the sensitivity of the grinding wheel are improved by using the sel...
发布时间: 2017 - 02 - 28
And the grinding liquid by paper filtering and magnetic separation of water mist and dust; the dust suction device, the operator only need materials up and down, a person can see the number of machine tools, so the production efficiency is high, suitable for all kinds of automobile engine, motorcycle engine and diesel engine production manufacturers.Main structure and technical characteristicsThe bearing structure of high speed motorized spindle is in our own intellectual property and has been successfully used for many years in the high-speed grinding machine "gap cavity hole type oil return throttling liquid hydrostatic bearing on the prototype formed by an improved design. With a good bearing stiffness (up to 340N/ m), high rotary accuracy (radial, axial runout is less than 0.002mm...
发布时间: 2017 - 02 - 28
该设备是2009年国家重大专项支持项目。可以解决工程陶瓷、微晶玻璃、硬质合金、人造宝石晶体等超硬材料、钛合金、不锈钢、镍基铁氧体材料等耐热合金材料以及复合涂层材料等难加工材料轴类零件的精密加工问题,适用于航天航空、国防军工等行业中的特定材料零件的加工。MKG1320超高速数控外圆磨床可配备自主研制的超高速电主轴砂轮架及进口电主轴砂轮架,线速度可高达150m/s。借助AE在线监控系统可实时监测砂轮的磨削及修正工况,为快速正确确定磨削工艺提供可靠依据。自动跟踪定心中心架的采用可大幅提高细长工件加工的尺寸及形状精度,另配合全功能在线量仪可大大提高生产效率,有效降低生产成本。超高速电主轴超高速电主轴采用油冷电机后置动静压电主轴系统。主要由液体动静压轴承系统、主轴动平衡系统、电机冷却系统及高速CBN砂轮组成。       通过液体动静压轴承的优化设计,可保证主轴的平稳启动及高速运转时的主轴刚度。主轴由后置电机直接驱动,通过精确控制转子与定子的同轴度及间隙可有效消除驱动单元给主轴系统带来的扰动。       主轴系统由砂轮架主轴、CBN砂轮及在线动平衡仪组成。砂轮主轴加工后做精密动平衡,为保证砂轮装卸后主轴系统的动平衡,本机采用进口SBS在线动平衡仪对主轴系统进行精密动平衡控制。另外,设计过程中采用有限元法对砂轮架系统及整机作振动性能分析,并通过实验确保砂轮架在工作速度范围内整机不发生谐振。一系列关键问题的解决可保证砂轮架在高速状态下稳定工作。 主轴动平衡本公司MKG1320超高速外圆磨床采用CBN砂轮,当CBN砂轮高速旋转时,其修整状态,磨削状态都无法像普通砂轮磨削和修整时用人工观察并进行控制。在磨削和修整期间,砂轮和工件都会产生一定频谱的噪声,其主要分布在超声波的范围内,与其他外界产生的噪音(...
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Telephone: 0731-82234293
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hdhjgc888@163.com
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Address: Yuelu District City, Hunan province Changsha 

Development

Date: 2014-11-14
Browse Number: 114

Huda Haijie Manufacturing Technology Co., Ltd was founded in 1908, is the earliest Hunan government industrial high school workshop. In 1905, the abolition of the imperial examination system opened the modern education, new schools have set up. The new school to learn advanced western science and culture to achieve the purpose of it. In this historical context, the establishment of the Hunan government higher industrial school, and hired the Japanese Kubota Masa responsible for the practice workshop. In 1926, the workshop changed its name to Hunan University workshop. 1937, Japan launched the war of aggression against China, Hunan University was bombed. The following year, the workshop with the Hunan University moved to Xiangxi Chenxi County Leading Nao cun. Until October 1945, internship workshop moved back to the city of Changsha, Yuelu District. 1959 renamed the machinery factory of Hunan University. In 1963, Hunan University was taken over by the first Ministry of machinery industry, and the machinery factory of Hunan University began to take on the tasks of the central and local authorities. In 1974, it was named the mechanical and electrical factory of Hunan University. In January 2000, the factory was incorporated into the Hunan University Haijie company, full Manufacturing Technology Co. Ltd is Changsha sealegend in March of the same year, renamed Huda Haijie Manufacturing Co. ltd".

Development


Internship Site

 

Development


The company is not only a teaching base, but also a scientific research base and production base. For hundreds of years, the company adhere to the training of person in the first place, a total of more than 30000 people of all kinds of students practice guidance, for more than twenty thousand undergraduate and graduate students to improve their ability of engineering practice contributed. In 1980, the company successfully developed a new type of water treatment equipment W series micro filter, to fill a gap in the domestic water treatment, and in 1968 by the Ministry of machinery industry science and Technology Progress Award three.


Development


Haijie Old Products Company


Development


From the last century in 70s to produce the first round grinder, it was formally involved in the field of grinding, with its unique advantages of science and technology in the domestic grinding industry to establish a leading position. The company's research and development of high-tech products, due to the use of high-speed grinding, hydrostatic bearings, static unloading rail, computer control and other research techniques, has won the Ministry, provincial and other incentives. Among them, the "group of drilling and grinding mechanism and grinding machine" to solve the world's problems unresolved group drill sharpening automation; CNC high speed Camshaft Grinder "has been highly praised in the automotive industry, won the first prize in 1992, the Hunan provincial science and technology achievement progress;" Grinder "NC high speed angularapproachcylindrical biaxial wheel to fill the gaps in the domestic external grinder, 90s has reached the international advanced level;" high-speed NC crankshaft grinding machine, high speed, high finish grinding machine and CNC high speed Camshaft Grinder "reached the international advanced level in 90s.

In order to expand the production scale of enterprises, the board of directors of the company the company decided to move to the Hunan University Lugu research base. Now the company has moved to the park and put into production. In the future development, the company will continue to attract domestic and foreign research results of the latest, finishing with key parts of automobile engine, service to key, further play to their strengths, to create a brilliant world in the field of high efficiency grinding.


 Precious historical photos


Development


The former Vice Premier Li Lanqing inspected the Czech company


Development


Vice Minister of the Ministry of machinery industry in 1996, comrade Shao Huiqi visited the Czech company


Development


Governor Chen Bangzhu visited our company's high-tech products


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Deputy director of the national science and Technology Commission Deng Nan visited Haijie company  


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The Ministry of machinery industry leaders to inspect and guide the work of Haijie company 


Development


April 26, 1994 vice governor governor Chen Bangzhu Zheng Peimin visited the Czech company


Development



Development


Chen Bangzhu inscription


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