Ningbo Hongda motor die Co., Ltd. was founded in 1988, committed to electric motor research and development proofing and precision dies design and manufacturing. The company is the world's leading electric motor R& D proofing and precision dies One-Stop solution provider. It is the first drafting unit of China's motor lamination die industry standard, the key backbone enterprise of China's motor lamination die, the national high and new technology enterprise, the vice chairman unit of China's die association cold stamping die technical committee, the chairman unit of Ningbo die association cold stamping die technical committee.

After more than 30 years of hard work and continuous technological innovation, The company has purchased precision machining and testing equipment: Swiss CHARMILLES slow wire cutting EDM, Japan WAIDA CNC optical profile grinding machine, US Moore G48/G18 Jig grinder, Swiss Hauser S40 Jig grinder, Japan MAKINO-V99L machining center, Japan Okamoto precision surface grinding machine, Germany Zhao Schneider scanner measuring instrument, US HEXAGON coordinate measuring machine, Japan Nikon electronic tool microscope, Japan DOBBY200 tons high-speed press machine, the total investment is nearly 250 million RMB, now the company's R&D team, production equipment, testing equipment are in the forefront of the same industry, the company has become a domestic “Professional & Fine & Special & New” motor core precision cold stamping die technology development center and production and manufacturing base.

Hongda’s precision compound dies & progressive dies were exported to more than 20 countries and regions, The world has more than 2000 electric motors enterprises are using Hongda’s precision dies!

1. R & D and production talent team
The company has 328 employees and 3 senior technicians, all of whom are highly skilled talents with rich practical experience in the motor mold industry; 35 have intermediate technical titles, all of whom are technical backbones in the R & D, design, process and production line of the company; 56 have primary technical titles, all of whom are new skilled talents cultivated by the company, and the company has formed a group of talents with high level of knowledge and professional skills High quality scientific and technological personnel development echelon, and has rich practical experience to senior technicians as the core of the production team. Compared with the same industry, it has obvious advantages in technology R & D and production talents.

2. Development, production infrastructure and business scale
(1) The enterprise's motor mold development, production infrastructure scale according to the forefront of the industry. The enterprise covers an area of 34345m2 and a building area of 43338m2, including the building area of "Hongda iron core precision progressive die provincial high tech enterprise research and development center" set up by the enterprise is 1600m2 and the building area of production workshop is 31639m2 (full temperature production workshop is 18939m2). (2) The original value of fixed assets was 104.17 million yuan, including 69.25 million yuan for equipment (60.15 million yuan for CNC equipment). (3) Production capacity: the output of silicon steel sheet cold stamping die for long life and small motor can reach 4000 pieces / year; the output of large, precise and complex motor cold stamping die can reach 200 pieces / year; the output of multi position progressive die for automatic riveting of stator and rotor core can reach 300 pieces / year. (4) In 2011, more than 4000 sets of various types of motor molds were completed, with an output value of 120 million yuan.

3. Application fields
Enterprise development, production of motor mold in the motor mold industry, related to the application of enterprises. Mainly involved in the following industries: (1) small and medium-sized motor industry, (2) large motor industry, (3) generator industry, (4) micro motor industry, (5) micro and special motor industry, (6) electric tools industry, (7) household appliances industry, (8) transformer industry, (9) permanent magnet motor industry, (10) automobile industry, (11) electronic information industry.

4. Market share
The company's motor mold products are distributed in 29 provinces and cities in China, and exported to Europe, America, Japan, the Middle East and Southeast Asia. The market share of motor mold products is the highest in China. (1) The company produces more than 1000 customers of Y, Y2, C02 series long-life silicon steel sheet cold stamping die for motor, large motor sector precision die and large motor block precision die, and more than 500 customers of precision multi position progressive die quality, accounting for 70% of the market share of domestic commodity motor die.

5. Variety and specification
The varieties and specifications of the motor mould developed and produced by the enterprise almost include the motor products of the motor industry manufacturers and the motor manufacturers from all walks of life. It has formed a domestic enterprise that can produce large, medium, small and micro special motors at the same time.
(1) Motor punching: blanking die, stator punching die, rotor punching die, stator full compound die, rotor full compound die, armature full compound die, outer rotor, stator compound blanking die, separation compound die, high-speed single slot punching die, high-speed continuous punching belt cutting die, sector precision splicing die, main pole magnetic precision splicing full compound die, large knife precision splicing full compound die, large precision splicing blanking die;
(2) Motor iron core: multi position progressive die for channeling motor, multi position progressive die for household motor, multi position progressive die for cover machine motor, multi position progressive die for permanent magnet motor, multi position progressive die for plastic packaging motor, multi position progressive die for EI sheet, multi position progressive die for iron core block, multi position progressive die for strip rolling.
(3) Specification of motor iron core: Ф 5 ~ Ф 1500.

6. Production scale and speed
Under the premise of advanced professional technology foundation and standardized system as technical guarantee, the "ERP mold production and manufacturing management system" is adopted to realize the information management of motor mold. The parallel operation of motor mold from design, material preparation, processing to assembly creates a large-scale production of "high speed", "high efficiency" and "high quality" motor mold products The mode of production. Enterprise mold design fast, short production cycle, in the motor mold industry is second to none. The annual output of cold stamping dies for long-life motor silicon steel sheet is 4000 sets, 60% of the products are supplied from stock, 40% of the non-standard dies have an average lead time of 20 days; the annual output of large, precise and complex cold stamping dies for motor sheet is 200 sets, with an average lead time of 40 days; the annual output of multi position progressive dies for motor core is 300 sets, with an average lead time of 60 days.

7. Quality level
(1) The precision of the die is 2 μ m, the step precision is 3 μ m, the block precision is 1 μ m, the double rotation precision is 1 ', the surface roughness is ra0.10 ~ 0.40 μ m, and the parallelism of the die base is 0.01 mm / 1000mm. The die is used in high-speed punch press 300 ~ 500 times per minute, with the functions of automatic stamping, lamination, twisting groove, grouping, rotation and so on. The mould is equipped with cylinder, solenoid valve and electronic monitoring devices such as misfeed and double material thickness detection. The success rate of one-time die test is 80%, the punching times are 300-500 times / min, the average single grinding is 1.8 million punching times, and the total service life is 200 million times. The technical level is in the advanced level of the same kind of mould in China, which is equivalent to that of the same kind of mould abroad. All parts are completely interchangeable. Mould can replace import.
（2）The single position compound die for motor punching adopts the technology of detachable precision die base, modern punch bonding technology, numerical control precision processing and testing technology. The die has the characteristics of convenient grinding, high guiding precision, good punch stability, uniform blanking clearance, long die life, etc.; the success rate of one-time die test is 95%; the average single grinding is 15000 punches; the total life is 1.5 million punches, which is produced by the enterprise The quality and technical level of Y, Y2, C02 series long-life silicon steel sheet cold stamping die for motor, large motor sector and large motor block precision blanking die are at the leading level in China.

8. R & D capability
The enterprise has established a relatively perfect technology and R & D system. We have a group of scientific and technological development teams with high level of knowledge, strong professional quality and rich practical experience. It has formed professional technical system documents such as "Hongda mold design specification", "Hongda mold standardized parts", "Hongda mold typical structure", "Hongda mold punching typical layout", "Hongda mold standard parts manual", "Hongda mold process specification", "Hongda mold inspection specification". At the same time, we will keep track of the advanced technologies at home and abroad, digest and absorb the advanced technologies from Europe, America and Japan, and transform them into "Hongda" professional technology. The "intelligent CAD system for progressive die of motor core" and professional 3D software are being developed, which will greatly improve the design efficiency and quality. A number of motor mold products have won the honor of "national new products" and "mold with international level". The enterprise allocates 5% ～ 8% of the sales revenue every year as the research and development funds for the development of new products. The multi position progressive die for motor core has developed 2600 × 1500 × 520 (length × width × height) with a weight of more than 5 tons; the single position compound die for motor punching has developed 1400 × 1400 × 380 (length × width × height) with a weight of more than 2.5 tons. The motor mould products mainly developed and produced by the enterprise have been rated as "domestic high-quality mould" and "national new product" by China Mould Association for seven consecutive years. The motor mould products are favored by users. The developed large precision cold stamping die for the iron core of the long stator motor of maglev train has been rated as a "national new product" by China Die Association. It has been rated as an international advanced die by the expert group in the past China die technology and equipment exhibitions, and has passed the technical appraisal of Ningbo Municipal Economic Commission. The developed "multi position progressive die for auto riveting motor iron core" was rated as "national new product" by China Die & Mould Industry Technology Committee, was rated as "die with international level" at the 10th China International Die & mould technology and equipment exhibition, and was awarded the first prize of "precision die" at the 11th China International Die & mould technology and equipment exhibition.

9. Brand, popularity
Since its establishment, the enterprise has paid attention to the image publicity of the enterprise. Since 2000, it has invested an average of more than 800000 yuan every year to carry out the image publicity and advertising of "Hongda" in the society, so as to continuously enhance the influence and popularity of "Hongda" in the society. The motor mold products of the enterprise have been widely recognized by the society and favored by the majority of users. "Hongda mold" has been awarded "Ningbo famous trademark" and "Ningbo famous brand products". The image of "Hongda" has brought huge intangible assets and social benefits to the enterprise.

10. Personnel training and construction
The company has established "Hongda mold vocational training school" and "China mold talent training base", making use of enterprise resources to build a brand in the field of vocational education and training, providing support for the company to maintain its competitive advantage. The enterprise has implemented 300 person times training scale every year, and continuously cultivated high skilled talents with "excellent technology, complex skills and diverse knowledge" that meet the requirements of the enterprise, and has built a echelon of high skilled talents.

11. Professional level
Hongda Company firmly grasp the direction of professional technology development, in the broad field of cold stamping die, avoid the various types and varieties of cold stamping die, aiming at the development and production of motor die. In view of the development and production of motor mold, the enterprise has continuously carried out technological innovation from small and medium-sized motor punching die, large motor punching complex precision die and multi position progressive die for motor iron core, and continuously studied the application and innovation of new technology, new process, new materials and new equipment in motor mold products. It has formed mature professional technology and advanced process for manufacturing motor mold, and has formed a solid foundation The standardization, serialization, generalization and commercialization of motor mold products are introduced, which makes the motor mold developed and produced by the enterprise have professional characteristics and professional level, and has the characteristic advantages of "short cycle, good quality, moderate price and good after-sales service".

12. Standardization level
In the absence of standardization, serialization and generalization of motor mold products, national standards and industry standards, "Hongda" has carried out a lot of basic technical innovation work, combined with the actual situation of the enterprise, customer requirements and learning from advanced technology at home and abroad, independently established the standardization system of motor mold products, and formed nine standard series of long-life motor silicon steel sheet cold stamping die There are nearly 2000 kinds of die specifications, 6 kinds of standard series of large, precise and complex cold stamping dies for motor lamination, nearly 100 kinds of die specifications, 8 kinds of standard series of multi position progressive dies for motor iron core, and nearly 150 kinds of die specifications. The standardization of motor mould products fills the blank of domestic motor mould product standards.
(1)The standardization rate of multi position progressive die for motor core reaches 65%, and the average design cycle is 5 days;
(2) The standardization rate of single working position compound die for motor punching is up to 90%. The design cycle is 1 hour;
(3) The standardization rate of large precision and complex cold stamping die for motor sheet reaches 60%, and the average design cycle is 5 days.


13. Commercialization level
According to the motor stamping product standards formed by the motor industry, for the small and medium-sized motor stamping products with 63-355 frame number and fractional horsepower, starting from the customers' operation habits of motor die, the current situation of punch precision and production requirements, the stamping process and corresponding standard die structure that meet the needs of customers are formulated, and the motor industry has been formed in large quantities It has become the standard mold of motor stamping products, and has formed a real motor mold commercial products. For customers, it has realized the "zero" cycle of standard motor mold production, which is favored by the majority of customers. The principle of developing new products is to develop one item, one standard item and one transformation item, so that new products can rapidly form commodities of large-scale production. The developed complex and precision moulds, such as large-scale precision fan-shaped die for motor stamping, large-scale assembling precision die for motor stamping and multi position progressive die for iron core, have successfully realized the commercialization transformation and rapidly formed the mode of large-scale production Commodities.

14. R & D and production equipment
The company has introduced and owned more than 190 CNC processing equipment, including 4 precision CNC continuous track coordinate grinding machines from Moore and Hauser of the United States, 2 Waida optical curve grinding machines from Japan, 19 slow wire cutting machines from Sadik of Japan and chamir of Switzerland, 5 precision machining centers from HARTING of the United States and Huinong of Taiwan, 4 large precision CNC grinding machines and 155 CNC fast wire cutting machines.

15. Precision testing equipment
The company has two high-precision coordinate measuring machines in the United States (hexcon), one scanning measuring instrument in Germany, one precision measuring imager in Taiwan, and precision CNC continuous track coordinate grinding measuring systems in the United States and Switzerland.

16. Verification equipment
The company has imported and owned 8 sets of motor die verification equipment, such as dobby200t closed double point high-speed precision press, 125t, 200t, 300t closed double point high-speed precision press, 630t, 400t closed double point high-speed precision press, Rongcheng 250t closed single point press, etc. The tonnage, accuracy and quantity of the verification equipment are currently used for motor mold verification in China.