The diesel engine casting production base built by Yuchai Group with a total investment of RMB 1.7 billion has made rapid progress, and the second production line will be put into use soon. By then, Yuchai will build the world's largest diesel engine casting production base.
The Yuchai Casting Center Project in Yulin City, Guangxi Province has a total planned area of ​​1800 mu. It has built six casting production lines and mainly produces high-strength, thin-walled, high-quality, high-precision diesel engine block and cylinder head castings, covering 0.8 liters of species— 40-liter micro, light, medium and heavy-duty diesel engine block and cylinder head.
Guo Deming, deputy party secretary of Yuchai Group, introduced that the first-phase project construction area reached 36,000 square meters, with a total investment of 517 million yuan. It mainly produced 6J/6A/6M/6L cylinder block castings, and produced 65,000 cylinder body castings of 45,000 tons per year. The first phase of the project has been officially put into operation on March 12, 2010. The second-phase project will produce 38,000 tons of approximately 600,000 cylinder head castings each year. The trial production will be completed in the near future. The project reserves about 800 mu of development land and an investment of 740 million yuan. The aluminum alloy cylinder heads will be reserved for the development land. ) Blank foundry workshop, 16-40 litre large displacement diesel engine casting foundry shop and additional casting complete line.
Guo Deming said that the casting center has adopted the robot lower core technology for the first time in the world and is a major change in the global foundry industry. The castings produced have high precision, uniform wall thickness and less machining allowance, and the same castings weigh 6% less than the old workshop. To 8%.
In the equipment, the key process of the first production line of the newly built casting center adopts internationally famous imported brands, and the auxiliary process adopts domestic first-class equipment. The blank machining allowance produced at the workshop is reduced from 5-6 mm compared to the old workshop. 3-4 mm, the casting material is reduced by 10%, the energy consumption in the production process is reduced by 8%, and the overall casting rejection rate is reduced to less than 1%.
Compared with the old casting workshop, the newly built Yuchai Foundry Center has a more efficient, high-quality, environmentally friendly, low-cost, stable and reliable first-class horizontal production line. "We can now produce about 150 cylinders per day. Once in production, this line can produce one cylinder per minute."
Guo Deming said that the Yuchai Foundry's production process uses a single electric furnace to smelt, boldly breaks the traditional melting process, reduces the harmful impurities such as coke in the melting process of the cupola and the human factors in the melting process. "On the basis of guaranteeing product quality, we will effectively reduce the cost of the burden and reduce the number of production processes and production personnel. The entire workshop will implement the 'one flow' production line to ensure the smooth flow of logistics."
After the completion of the Yuchai Casting Center, will play a huge role in radiation. Yulin Kunda Machinery Manufacturing Co., Ltd., which is less than 200 meters from the foundry center, mainly supplies Yuchai and produces oil coolers. The person in charge of Kunda Machinery stated that the commissioning of the Yuchai Foundry Center will drive the development of Kunda Machinery, and the output of Kunda Mechanical Oil Cooler will rank second in the country.
It is understood that due to the limited production capacity of cylinder heads and cylinder head castings, Yuchai has to purchase 20% of its cylinder parts annually. The commissioning of the Yuchai Foundry Center will fundamentally change the pattern of over-reliance on procurement, greatly increase the degree of relevance of the local Yuchai supporting industries, and promote Yulin's machinery industry to become bigger and stronger.
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