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Slewing Ring Research & Development
Fangyuan gives full play to the level enterprise technology
center and engineering technology research center advantages, increase R & D
investment, ongoing product development and technological innovation. In design
and development, applicated Hao Chen ICAD dimensional design software and CAXA
three-dimensional design software to optimize product design applicated and
developed for a variety of computer application software rotating bearing
capacity calculations, gear carrying capacity calculations, slewing bearing life
calculation, bolt strength calculation application ANSYS finite element analysis
software simulation products for structural stress analysis using the condition,
further optimize the product structure to avoid design flaws and improve the
cost-slewing.
Through 27 years of R&D and accumulation, Fangyuan formed a
complete research system and the slewing bearing theoretical system, has
developed a single-row ball , three-row ball , cross-roller , four point row
ball type, double row ball type, double-rotary, drum type, half type eight
series of slewing bearings, product specifications nearly 2,300 kinds of models.
And in recent years, more than 200 new products come out averagely. Product
application areas including construction machinery, engineering machinery, port
machinery, metallurgical machinery, light machinery and other equipment, wind
power, solar power and other industries.
The company has undertaken the national Torch Program, the
provincial city of major research and technology projects , the implementation
of industrial R & D results and marketization, the formation of the
company's new economic growth point for the expansion of its scale to provide a
strong protection. In recent years, 12 scientific and technological achievements
were the State Intellectual Property Office patents, of which an invention, 11
utility model patents In addition, there are three utility model patents and
five patents have been the State Intellectual Property Council accepted. Our
main product Q Series ring, 01 series of slewing ring and slewing bearing large
1.5MW wind was awarded the provincial key high-tech products.
In order to expand Fangyuan brand in the world, the company has
applied trademark in the United States, Germany, Canada, Korea and other
countries, in which the United States, Germany, Canada Fangyuan slewing
trademark has been approved.
Fangyuan series slewing bearing has passed the ISO9002 quality
system certification in December 1999, ISO9001 quality system certification in
2003 , ISO18000 occupational health and safety management system standard and
ISO14000 environmental management system requirements and the use of Guide
review certification in August 2006.
Slewing Ring Technology Research &
Development
First, process and equipment:
1, wind power rotary bearing technology research and
development
According to working conditions with the characteristics and
technical requirements of wind power slewing bearing design for machining
process, and zinc on the surface of the technical requirements for process
research on wind power slewing performance test, the manufacturing Technology
meets German joint venture on wind power slewing ring of the product
requirements.
2, Ultra-precision technology research and development of
other rotary bearing
For the other super-precision rotary bearing, high
requirements for its product technology, long life and high reliability for
technology testing and development, and the product high and low temperature
starting torque test, vibration test, and the rotary bearing life and
performance testing, The technology experts through the demand side, the
identification of technical appraisal review group.
3, thin annular processing technology, R & D
The technology of thin circular workpiece optimizes processing
technology to address the process of clamping and deformation problems, this new
technology has been declared a national patent now.
4, slewing ring research technology test equipment
Performance requirements for slewing ring, slewing ring of the
product process of the test equipment used in research and development, and
joint university performance on the slewing ring product design, manufacture,
performance test bed, self-developed torque test stand, high and low temperature
torque test rig, and the assembly station, now the key indicators of performance
test platform has been qualified state certified quality inspection
departments
5, slewing ring detection device process development
Large slewing ring for the length of the size measurement
problems, using Heidenhain grating length measurement calibration device for
research and development, to solve the problem of large rotary bearing length
measurement, the joint declaration of the current state of this technology has
been patented.
6, slewing ring machining of new materials technology test
tool
Slewing bearing products for the precision, the direction of
high hardness, the machining of new materials and surface treatment technology
test tool to solve the difficulties of processing, improved product quality,
reduce processing costs of the product.
7, the application of advanced process management
technology
For slewing ring product variety, processing requirements are
inconsistent the current situation, the secondary development of the CAD to CAPP
product machining process planning, process materials required for the
products BOM with ERP inventory management, combined with accounting product
of the standard cost for cost control.
Engineering and Heat Treatment Centre:
1, the relevant testing equipment:hardness
meter,thermometer,microscope,mechanical pre-polishing machine, projector
2, the relevant process: development of a series of slewing ring
gear, roller Frequency Induction Heat Treatment Process. Especially wind power,
other rotary bearing the heat treatment process, now in full
production.
3, related to inspection: the induction hardening of surface
hardness, hardened layer depth measurements of the hardened layer and base
structure for metallographic examination.
4, heat treatment equipment: 1 set the overall quenching
imported machine tools, 4 sets of the overall quenching of domestic machine
tools, 4 sets of single-tooth quench machine 12 sets of roller quenching
machine.
Research and Development of Slewing Ring Inspection and
Testing Technology
The inspection and testing center of Ma Anshan Fangyuan Slewing
Ring Co., Ltd is a comprehensive inspection and testing center incorporated with
measurement, test, research and analysis to further fulfill the research and
development of slewing ring inspection and testing technology, enhance the
product quality control and provide service and guarantee for product R&D,
technology innovation, following the establishment of the provincial technology
center of the company.
The inspection and testing center has complete equipments and
scientific and advancing testing method. Testing from the raw material of the
product, full automatic Brinell hardness tester ensures that the hardness of raw
material quality conforms to the technical requirements and direct-reading
spectrometer effectively analyzes the chemical composition of the raw material.
After the product is roughly processed, use the ultrasonic flaw inspection
method in non-destructive test to remove the internal defects of metal material.
After the product is finely processed, use laser geometric measuring system to
measure the flatness of slewing ring, portable three-dimensional measuring arm,
three-dimensional measuring machine, image tester, gear circular pitch measuring
machine, gear base pitch measuring machine and electronic roughness tester can
comprehensively measure and analyze the static characteristics such as basic
dimension, form and position tolerance, etc and can inspect the type test items
of slewing ring products. Torque test-bed matched up with high-low temperature
test box can test the dynamic characteristics such as the starting torque and
rotating torque of the product at high and low temperature, digital
multi-function test bed use computer automatic control, has the functions like
automatic testing, diagnosing and warning, can further imitate the operation
conditions of the slewing rings at different working conditions, can analyze the
reliability of the slewing rings, and compute the life span of raceway and gear
scientifically. In addition, the inspection and testing center has advancing
chemical and physical equipments such as invert metalloscope, micro-hardness
tester, Rockwell hardness tester, Cisi microscope and steromicroscope for
improving the heat treatment quality during fabrication process, which
establishes a solid foundation for improving and stabilizing the heat treatment
quality of the product.
The improvement of inspection and testing capacity by a large
margin increase the inspection and testing items of the product and enlarge the
inspection and testing range and make the technology improved product and large
quantity of new product tested and verified sufficiently before formal
production. The departments including R&D design, technology and production
departs can optimize and adjust the design, technology and fabrication process
continuously to guarantee the leave-factory quality of the product and increase
the customers satisfaction degree about the product of the company.
Strongly supported by the company strategy of sustainable
development, the inspection and testing center will be further enlarged. The
company will bring in more advancing inspection and testing equipments from home
and abroad constantly according to the demands for product R&D, design,
theoretical analysis and technology improvement, provide more reliable basis for
product quality and offer reliable guarantee for the technical progress of
Fangyuan Slewing Ring.
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