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About us / Company profile

Huda Haijie (Hunan) Engineering Technology Co. Ltd. is the Hunan University for technical support, professional high-tech enterprises engaged in high-end CNC grinding equipment and special rail transportation equipment, is the national industrial base of high efficiency grinding technology Engineering Research Center, is the Ministry of high efficiency grinding technology innovation platform "and" Changsha grinding technology the detection precision and public service platform construction units.

The company is located in the Changsha high tech Industrial Development Zone, the registered capital of 40 million yuan, more than 100 employees, including 13 doctoral, master 21 people, professional and technical personnel more than and 40 people, associate professor, professor senior engineers and mid-level titles, production workshop, laboratory and office building about 20000 square meters, all kinds of production, testing and more than and 400 sets of testing equipment.

The company was founded 17 years, has been committed to high speed, high efficiency and high precision CNC grinding equipment and high-end equipment development and industrialization, the domestic demand for the automotive, aerospace, energy and rail transportation industry key processing equipment and operation equipment, system set up high speed precision grinding, non circular profile multi axis grinding, flexible control, rail maintenance, online online intelligent detection and other key technology, major technology software, functional components and high-end CNC equipment technology R & D and production system, the developed CNC camshaft grinder, crankshaft grinder, high precision grinding machine, zigzag composite shaft parts tooth grinding production line, rail repair of high speed milling operation device, operation device, high speed rail repair grinding rail contour line detection device, rail wear Online testing equipment, such as a variety of machine tools and special sets of equipment, are the first domestic, technologically advanced, alternative imports.

The company has undertaken major national science and technology projects, the National 863 plan project of Hunan Province, and Changsha city science and technology major project 6, all kinds of patent application and authorization and software copyright of more than 20 national, provincial science and Technology Department, more than 10 awards, including two national science and technology progress award award 1, published more than 30 papers fruitful.
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Products / 产品展示
CNC8240 Cut Point Tracking CNC Crankshaft Grinder
产品名称： CNC8240 Cut Point Tracking CNC Crankshaft Grinder
产品特点： 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 self designed cylindrical hydrostatic guideway.The machine tool head and tail frame adopt the torque motor to control the rotation of the crankshaft simultaneously, so as to realize the high precision sy...
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CNC8312A CNC camshaft grinding machine
产品名称： CNC8312A CNC camshaft grinding machine
产品特点： 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), long service life (continuous operation for several years without maintenance) and other advantages.On line automatic balance device of grinding wheelCNC8312A use the IB-1404-A type high speed the ...
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MKG1320超高速数控外圆磨床
产品名称： MKG1320超高速数控外圆磨床
产品特点： 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（如机床运转时的噪音、磨削液冲刷噪音等）频率范围不同。因此，我们通过监控AE（Acoustic Emission,简称AE）数据，对砂轮磨削工况及修正状态进行在线监控。AE系统的采用可使我们轻松掌握砂轮磨削状态，为优化磨削工艺提供可靠依据  本机床AE系统可实现一下几个功能：1)消除空程控制。2)防碰撞控制。3)磨削和修整过程控制。全功能旋转式在线量仪常规数控外圆磨床采用将量仪安...
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Company advantage
Advantage:
Based on Hunan University, except independent engineering research team, also hired professors and experts to research and develop products, and  rich  human resource.
R & D Advantage：
The company is based on the system of manufacturing Hunan Haijie Precision Industry Co Ltd, make full use of manufacturing resources around, supporting strong, stable product quality.
Manufacturing：
The company by the National Engineering Research Center for high efficiency grinding technology for technical support, in high speed grinding, grinding, precision grinding, grinding machine, profile optimization design, from the core theory, key technology and important equipment were systematically studied, deep precipitation technology.
Service Advantage:
The company set up a professional technical service team, our slogan:excellent products, excellent service. We promise our service will continu.
News / NEWS
Hanshou county government and big lake Haijie contracted to build R & D Center
Hanshou county government and big lake Haijie contracted to build R & D Center
Hanshou county government and big lake Haijie (Hunan) Engineering Technology Research Co. Ltd. signed site (filming Cao Huifang) Deputy Secretary of the county committee, on behalf of the long Shizhong attended the signing ceremony (shooting Cao Huifang)Ding Kegang, deputy magistrate of the county government presided over the signing ceremony (shooting He Guoli)In September 25th, the government of Hanshou county and lake Haijie (Hunan) Engineering Technology Research Co. Ltd. Lake sealegend Engineering Research Center for high efficiency grinding and high efficiency grinding production project signing ceremony was held. Deputy Secretary of the county committee, on behalf of Che Shizhong, county leaders Ding Kegang, Guo Bin Chen, Li Bibo attended the meeting.Huda Haijie Engineering Research Center for high efficiency grinding and high efficiency grinding production project is the National Engineering Research Center for high efficiency grinding resources relying on the formation of...
2016 - 09 - 25
Hanshou county government and big lake Haijie contracted to build R & D Center
Hanshou county government and big lake Haijie contracted to build R & D Center
Hanshou county government and big lake Haijie (Hunan) Engineering Technology Research Co. Ltd. signed site (filming Cao Huifang) Deputy Secretary of the county committee, on behalf of the long Shizhong attended the signing ceremony (shooting Cao Huifang)Ding Kegang, deputy magistrate of the county government presided over the signing ceremony (shooting He Guoli)In September 25th, the government of Hanshou county and lake Haijie (Hunan) Engineering Technology Research Co. Ltd. Lake sealegend Engineering Research Center for high efficiency grinding and high efficiency grinding production project signing ceremony was held. Deputy Secretary of the county committee, on behalf of Che Shizhong, county leaders Ding Kegang, Guo Bin Chen, Li Bibo attended the meeting.Huda Haijie Engineering Research Center for high efficiency grinding and high efficiency grinding production project is the National Engineering Research Center for high efficiency grinding resources relying on the formation of...
2016 - 09 - 25
2016 Hunan machine tool industry enterprise investigation documentary -- take the new Hunan machine
2016 Hunan machine tool industry enterprise investigation documentary -- take the new Hunan machine
2016 Hunan machine tool industry enterprise investigation documentary -- take the new Hunan machine toolFrom September 2016 to October, Hunan province machine tool industry association president Mr. Xu Shixiong led the team in the lead, the move Changsha, Xiangtan, Ningxiang, Yueyang and other places, visit Xiangtan three peak of CNC machine tools, machine tools, Changsha South Yueyang Kim Bo Long science and technology, Hunan machine tool, Changsha LIANLI, Huda Haijie precision machine tool manufacturing industry etc. enterprise. Xu president and his party to listen to the report on the development of business operations, the difficulties faced by the enterprise information and guidance. He encouraged enterprises to strengthen confidence, vigorously carry out the transformation and upgrading, efforts to promote intelligent manufacturing, take a long way to the development of Hunan machine tool industry in the long march.Xiangtan three peak CNC machine toolsXiangtan three peak CNC mach...
2016 - 11 - 24
HONORS
2007-mks8312d four - axis coordinates of the lake - Lake - - Changsha science and Technology Progres
2007-mks8312d four - axis coordinates of the lake - Lake - - Changsha science and Technology Progres
Two prize 005 years of scientific and technological progress in Hunan province Huda Haijie -CNC8312
Two prize 005 years of scientific and technological progress in Hunan province Huda Haijie -CNC8312
Huda Haijie 2007 Hunan province science and technology progress third-prize crankshaft speed precisi
Huda Haijie 2007 Hunan province science and technology progress third-prize crankshaft speed precisi
Huda Haijie mkg1320 new product certificate
Huda Haijie mkg1320 new product certificate
Huda Haijie CNC national new product certificate
Huda Haijie CNC national new product certificate
Huda Haijie sphere precision equipment by machinery industry award
Huda Haijie sphere precision equipment by machinery industry award
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CONTACT CONTACT US
Telephone：0731-82234293（15973120124）
Mail：hdhjgc888@163.com
Address：Yuelu District City, Hunan province Changsha valley lake Technology Park No. 186 yuan Lu
邮编：330520
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