Environmentally-friendly and energy-saving new energy electric vehicles are undoubtedly one of the hottest products nowadays, and the “heart†of electric vehicles—the quality of motors directly determines the performance of the entire vehicle. Hefei Kelly Science and Technology Investment Co., Ltd. located in Feidong New Town Development Zone of Hefei City, has independently developed and manufactured intelligent energy-saving motor controllers that have reached the international advanced level, thus ensuring that enterprises occupy a place in the fiercely competitive market.
Low-speed electric cars opened up the market
Yesterday morning, the reporter went to Hefei Kelly Science and Technology Investment Co., Ltd., and Li Wen, the “headman,†opened his voice. “My master’s degree is in mechanical engineering. I have worked in the United States for nearly 10 years because of the new energy vehicles in the country. In the period of rapid development, the idea of ​​returning to China was initiated.†Li Wen graduated from Michigan State University in the United States and worked as an automotive electronics engineer at Motorola in the United States. He is engaged in the development of engine controllers. In 2009, Li Wen gave up his superior living conditions in foreign countries and rented factories in Yaohai District to start his own business.
“At first, the conditions were very difficult. Only seven or eight people, because they were not familiar with the domestic market, all the motors produced were exported for export.†In 2009, the company purchased land and factories in Feidong and gradually turned to the domestic market. “The domestic low-speed pure electric vehicle market There is a lot of space, because the cost is low, the price is low, and the cost of a car is only 30,000 yuan, and ordinary people are willing to accept it.Although low-speed electric vehicles use motor controller technology content is not high, but by virtue of it opened the market, companies gradually gaining a foothold ."
Master the core technology leading market
"At present, 20% of the company's profits are spent on technology research and development, and new products are available every month," said Li Wen, proudly. “Many core technologies of domestic motor products are in the hands of foreign companies, and I have Independent core technology."
With the accumulation of technology, Li Wen led dozens of team members to develop intelligent energy-saving motor controllers with advanced international standards. The development of "KBL high-power brushless motor controller" and "HP high-voltage isolation brushless motor controller" has filled the domestic gap and won the national utility model patent. The recognition of high-tech products in Anhui Province, the technology innovation fund for science and technology SMEs, and the key new products in Anhui Province... A series of honors has brought confidence to the development of the company and has won nearly 3 million yuan in financial support.
“There are many domestic companies that do motors, but they rarely do more than 20 types like we do,†said Li Wen. He has mastered core technologies and is able to respond to various market demands flexibly and independently. "A lot of foreign cars buy our controllers. Our products have been exported to more than 70 countries including the United States, Germany, Britain, and Australia." At present, Kelly Technology's sales revenue keeps doubling every year. This year's sales have been Reached 50 million yuan, becoming a leader in the domestic industry.
New energy vehicles have a bright future
With the continuous maturation of new energy automobile industry technology and the continuous implementation of government support policies, the performance of new energy vehicles has become more stable and cost-effective, and its future has enormous potential for development. This has also led to the rapid development of related industries. .
“Although low-speed electric vehicles are still difficult to promote across the country due to their objective conditions, but as a means of transport, its overall cost of use and maintenance is low and the market share is increasing.†Li Wen told reporters that although low-speed electric vehicles It is currently the main source of profit for the company, but with the improvement of technology, the replacement of low-speed electric vehicles with more stable new energy vehicles is the trend.
"Developing the hybrid controller for electric vehicles and entering the automotive electronics field is the company's future development goal." Li Wen stated that the company has a good technical reserve based on the market and is more secure and stable. The development of medium and high-end new energy vehicles. As the industry matures, new energy vehicles will gradually be accepted by the market, and the future development prospects are very broad.
Die casting: an important cornerstone of the foundry industry
Die casting technology is an important metal forming method, which is widely used in the casting industry. As the core component of die casting process, die casting mold frame plays a crucial role in ensuring the quality and production efficiency of die casting parts. This paper will discuss the related knowledge of die casting mold frame, including its structure, characteristics, application and development trend.
First, die-casting mold frame overview
Die casting mold frame is used to fix and support die casting mold frame structure, mainly composed of base, guide system, pouring system and overflow system. In the die casting process, the role of the die casting frame is to ensure the stability and accuracy of the die, thereby improving the quality and production efficiency of the die casting.
Second, the development of die casting mold frame
The development of die casting technology has gone through many stages. The earliest die casting mold frame is mainly made of wood and steel, and with the continuous development of technology, it has gradually evolved into a modern mold frame made of advanced alloy steel and aluminum alloy materials. In recent years, with the rise of 3D printing technology, personalized die-casting mold stands have also become possible.
3. Maintenance and maintenance of die casting mold frame
As the core equipment of die casting production, its maintenance and maintenance is of great significance for prolonging its service life, improving production efficiency and reducing production cost. The following are common maintenance and maintenance measures for die casting mold frames:
1. Regular inspection: Regular inspection of the various parts of the die casting mold frame, including the guide column, guide sleeve, gate, runner and other parts to ensure its normal operation.
2. Lubrication maintenance: Regularly lubricate the sliding part of the die casting mold frame to reduce wear and improve the service life of the equipment. Generally, professional grease is used for lubrication.
3. Cleaning and maintenance: Regularly clean the dust, oil and other impurities on the surface of the die casting mold frame to keep the equipment clean and tidy.
4. Preventive maintenance: For the common faults and wear parts of the die casting mold frame, preventive maintenance and replacement are carried out in advance to avoid the failure of the equipment in the production process.
5. File management: Establish the file management of the die casting frame, record the purchase time, use time, maintenance records and other information of the equipment, so as to facilitate the tracking and management of the equipment.
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