Purchase of a Concrete 3D Printer and Auger

The Louisiana Tech University Office of Purchasing is seeking sealed bids for the purchase of a Concrete 3D Printer and Auger. The requested 3D concrete printing system is a robotic arm-based, rotary 3D printer designed for printing cementitious materials. The system shall be capable of printing full-scale elements such as beams, walls, and architectural or structural components. The requested printer and auger shall meet the minimum specifications outlined in the solicitation document. • The printer shall have a 360-degree robotic arm with a unique circular print envelope. • The printer shall be capable of printing multiple objects sequentially within the envelope. • The printer shall have adjustable printing speed: 30–100 mm/s (1.2–3.9 in/s). • The printer shall be compatible with standard CAD modeling software and slicing software. • The printer shall have a direct-extrusion system, no air compressor required. • The printer shall be suitable for printing walls/beams approximately 1 ft deep and up to ~5 ft long.