Salient Characteristics.pdf
PDF 73 KB Posted
- Attached to
- Sources Sought - Mobile 3-D Concrete Printer
- Solicitation number
- AFCEC_CXA_2735372
About this file
The document is a Salient Characteristics specification for a Robotic Arm 3-D Printer intended for military use, specifically for the Department of the Air Force at Tyndall Air Force Base. The printer must have a non-gantry mobile platform capable of printing cementitious materials, mortars, and concrete with large aggregate up to 3/8" diameter, and meet specific technical requirements including a 20' vertical printing height, 12' horizontal printing radius, 1 ft³/min material output, and ability to be powered by a 60kW generator. Additional key specifications include a rotatable nozzle, weatherproof and corrosion-resistant components, hardwired operation, storable in a 20' shipping container, and transportable by a 12K telehandler.
The system requires minimal operational complexity, needing no more than 3 personnel with introductory training, and must be capable of developing print paths using .step and .stl file formats with compatibility for AutoCAD, SolidWorks, and Revit. The manufacturer must provide technical support for a minimum of 5 years, and the entire system must be NDAA compliant. Assembly and disassembly, including calibration, must take no longer than 1 hour. This specification is part of a sources sought notice to identify potential vendors for a mobile 3D concrete printer for the Air Force, with responses requested by 2:00 PM CDT on 23 April 2025.
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Text version
Salient Characteristics for Robotic Arm 3-D Printer
• System will include mixing and pump systems for sending printable material to the printhead. Printable materials include cementitious materials, mortars, and concrete o Pump and mixing system must not require proprietary printing materials o System must support the printing of large aggregate up to 3/8” in diameter
• Non-Gantry mobile platform required.
o The system needs to be readily movable on a print site (e.g. track or rail system).
o System movement during printing does not require heavy equipment (e.g.
crane, telehandler)
• System must be able to print to a minimum height of 20’ (May be a combination of vertical reach and integrated adjustable vertical base)
• System must have a minimum horizontal printing radius of 12’ from a stationary printer base
• System will have a minimum material output of 1 ft3/min
• Rotatable nozzle
• System will include weatherproof and corrosion resistant coatings and connections
• The system must be able to be powered by a 60kW Advanced Medium Mobile Power
Sources (AMMPS generator)
• System will be operatable without wireless capability (Must be hardwired)
• System will be storable in a 20’ shipping container (including pump+mixer)
• All components will be transportable by a 12K telehandler for initial set-up
• Manufacturer must provide technical support for the system for a minimum of 5 years from purchase
• Assembly and disassembly of the system shall take no longer than 1 hour o Assembly time includes printer calibration
• Printer operation will require no more than 3 personnel o Operation will require minimal technical knowledge of software/programming, and will only require introductory training for operation
• Printer slicing software will be able to develop print paths using .step and .stl file formats. Additional compatibility with other native file from formats from AutoCAD, SolidWorks, Revit, and other 3-D modeling software will add significant value.
• System will be NDAA Compliant
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