In the field of high-end equipment manufacturing, the independent production of precision castings has always been a key focus of technological breakthroughs. Recently, a certain enterprise announced a major breakthrough in its precision casting technology, overcoming the integration problem of silica sol composite process and intelligent manufacturing. It has successfully achieved large-scale production of precision castings such as pipe fittings, valves, and automotive parts, covering multiple materials such as stainless steel, carbon steel, and alloy steel. With high precision and high performance, it breaks the dependence on imports and provides core support for the localization of domestic equipment.
The enterprise relies on 20 years of technological accumulation to innovate and develop the silica sol composite process. Through precise control of wax mold accuracy, slurry ratio, and sintering temperature, the dimensional tolerance of castings is stabilized within ± 0.1mm, and the surface roughness reaches Ra3.2 μ m, far exceeding industry standards. At the same time, the introduction of 3D printing technology to replace traditional wax mold production has shortened the development cycle of new products by 70% and significantly improved efficiency. The deployment of intelligent production lines has achieved full process automation control from shell making, baking to pouring, with a defect recognition rate of 100%.
In terms of product application, multi material castings cover strict requirements in multiple fields: 316L stainless steel pipe fittings in the petroleum and petrochemical industry have a 30% increase in corrosion resistance and are used in deep-sea oil platforms; Lightweight ductile iron castings for new energy vehicles reduce weight by 15%, meeting the high-strength requirements of the motor system; High end valves are made of CD4MCu duplex steel material, which is resistant to high pressure and erosion, and has won orders from international energy companies. The product performance has been tested by a third-party organization, and the key indicators have comprehensively surpassed similar imported products, which has received strong market response. By 2025, the export value of precision castings from enterprises will increase by 35% year-on-year, and strategic cooperation will be established with Bosch from Germany and GE from the United States. A certain international energy customer feedback: 'Its 316L valve castings have stable performance under extreme working conditions and have replaced imported parts as the main supplier. ”
In the future, the company plans to collaborate with universities to develop precision casting technologies for high-temperature alloys and titanium aluminum based composite materials, and overcome the manufacturing of 'bottleneck' components such as aircraft engine blades. Simultaneously deploying digital twin systems to optimize processes, with the goal of reducing trial production costs by 40%.
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