en.Wedoany.com Reported - China L.K. Group has recently officially released its self-developed and manufactured 95-ton floor-type boring and milling worktable casting, which is the largest machine tool casting produced to date. The product release simultaneously covers 12 core performance indicators for ultra-large castings, including the 71-ton floor-type boring machine bed.
The casting was manufactured by Fuxin Lida Steel Casting Co., Ltd., a subsidiary of L.K. Group. It was specially poured using HT300 material with high rigidity and low stress, with a net weight of 95 tons, a carbon equivalent of 3.83%, a Si/C ratio of 0.77, a casting wall thickness of 140 millimeters, and overall dimensions of 6500 mm × 6000 mm × 1065 mm. The measured values of core properties such as tensile strength, elastic modulus, and hardness of its φ30 mm separately cast test bar exceed the enterprise standards.
During the research and development process, the R&D team of L.K. Group overcame multiple technical bottlenecks in the heavy casting industry. Through actual measurement and comparison, compared with the original HT300 process for the same type of machine tool parts, all 12 key performance indicators of this product have been significantly improved. It features ultra-strong structural stability, ultra-high rigidity, and low residual stress, meeting the usage requirements of heavy-duty machining equipment.
Fuxin Lida Steel Casting Co., Ltd. and Chizhou Xinlida Technology Co., Ltd., subsidiaries of L.K. Group, focus on ferrous metals and high-end heavy casting business, with an annual comprehensive production capacity of 220,000 tons. The single casting weight ranges from 0.1 tons to 260 tons, and the products are applied in fields such as machine tools, wind power, ships, mining machinery, and aerospace.
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