en.Wedoany.com Reported - China's Taiyuan Heavy Industry Group (TZ) has successfully applied 3D digital assembly technology to large customized equipment such as straightening machines, increasing assembly efficiency by 35% and reducing the overall assembly cycle from an average of 60 days to 45 days.

The technology was previously used in TZ's mass-produced products, such as hydraulic excavators, to check for component interference and optimize tooling design. Technicians then extended its application to large "single-piece, small-batch" equipment like straightening machines to meet the assembly needs of customized products. This application marks an expansion of TZ's assembly technology from standardization to high-complexity customization, helping users shorten installation cycles and ensure projects are commissioned on schedule.

Previously, assembling straightening machines relied mainly on 2D paper cards and worker experience, with the assembly precision of tens of thousands of parts depending on manual feel, making rework time-consuming and labor-intensive. With 3D digital assembly technology, the technical team first completes a full "preview" in a virtual environment, defining parameters such as lifting methods, part fit, tolerances, and torque, and then creates animations to guide assembly workers.

After applying this technology, downtime and waiting time at the straightening machine assembly site have been reduced by over 60%, and assembly efficiency has increased by 35%. The overall assembly cycle has been shortened from an average of 60 days to 45 days. TZ has standardized this method into a replicable solution and plans to extend it to more "single-piece, small-batch" products, including cranes, electric shovels, and coke oven equipment.

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