Production Method of Prefabricated Houses

The production method of prefabricated houses mainly consists of four core processes: modular production, foundation treatment, module assembly, and technological optimization. The specific procedures are as follows:

I. Modular Construction Approach

Prefabricated houses adopt a modular design concept, breaking down the building into independent functional modules (such as ceilings, walls, and bathroom waterproof layers). These modules are standardized and produced on an assembly line in a factory. For example, components like water and electricity pipelines and floors are prefabricated using highly automated equipment, with errors controlled at the millimeter level to ensure module precision. Each module comes with an 'ID card' (containing project name, model, production date, etc.) for quick identification and assembly on-site. After being transported to the construction site, the modules are assembled like building blocks using equipment such as tower cranes, significantly shortening the construction period.

II. Foundation Treatment and Installation

1. Foundation Treatment: After leveling the site, a concrete cushion is poured. In some cases, white plastic sheeting is laid instead of steel bars to enhance the strength and durability of the concrete by reducing moisture loss.
2. Foundation Pile and Beam Installation: Heavy prefabricated foundation piles (each weighing about 5 tons) are lifted and installed using mobile cranes and secured with base plates before assembling the beams. After horizontal measurement and adjustment, the beams are fastened with nuts, and the gaps are filled with expanding foam to prevent water leakage. The connection between the beams and foundation piles is sealed with cement to ensure structural stability.

III. Module Production and On-site Assembly

1. Factory Production: Components such as ceilings and floors are produced automatically using CNC equipment, combined with AI technology to optimize cutting precision (e.g., pine wood is laser-cut by robotic arms and then sorted and stacked). The parallel operation mode and intelligent production line reduce the construction period by more than 60% compared to traditional construction.
2. On-site Assembly: After arriving at the site, the modules are positioned and assembled according to the design drawings using tower cranes. The modules are connected using cast-in-place connections (e.g., pouring concrete to enhance integrity) or mortise-and-tenon joints for quick assembly. In some cases, collaborative robots are used to automate the assembly of walls, load-bearing beams, and other components.

IV. Technological Optimization Cases

1. AI-controlled CNC Wood Construction: Using robotic arms and laser cutting technology, high-precision processing of pine wood is achieved, with an annual production capacity of up to 1,700 complete residential units.
2. Precision Control: By strictly positioning steel bar locations and managing automated three-dimensional warehouses, module production errors are controlled, improving building quality.

Prefabricated houses combine factory production with rapid on-site assembly, balancing efficiency and precision. Additionally, technological optimizations (such as AI and parallel operations) further shorten the construction period, making them a typical representative of modern construction industrialization.