Fig. 3: Schematic of two-component (2-K) robotic additive manufacturing process.
From: Tough double-bouligand architected concrete enabled by robotic additive manufacturing
a ABB IRB 6700 (2.85 m reach, 150 kg payload) positioned on a 5.7-meter track, b 2-K concrete pump with in-situ charging of feedstock, c Accelerant reservoir and dosing system, d 2-K agitation chamber featuring concrete and accelerant inlets, e Nozzle end-effector, f Workobject with visualized toolpath, g ABB IRC5 controller, h IPC system enabling digital control of concrete and accelerant pump flow rates, as well as nozzle chamber servo motor, i Monitoring real-time temperature and pressure sensor read-outs, j design opportunities to fabricate complex materials and structures such as an architected beam and a hollow column (that can act as lost formwork) using the 2-K process.
