Nozzle Holder/Plate

The nozzle holder/plate is a critical component of robotic placement heads used in automated manufacturing systems. It serves as the structural interface that precisely positions and secures dispensing nozzles, ensuring accurate alignment and stability during material deposition, adhesive application, or component placement operations. This part maintains nozzle positioning relative to the robotic arm's movement path. The holder is typically machined from aluminum alloy, stainless steel, or engineering plastic, with dimensions that must be matched to the specific placement head. Key parameters include overall length (80–120 mm), width (50–80 mm), thickness (8–15 mm), nozzle hole diameter (3–8 mm), and nozzle hole count (4–12). Hole position tolerance is ±0.02 mm per ISO 2768-mK, surface flatness is 0.05 mm per ISO 1101, and surface roughness is Ra 0.8–1.6 µm per ISO 4287. Operating temperature ranges from -20 to 80 °C, and operating pressure from 0.4 to 0.8 MPa. Material hardness is HRC 28–32 per ASTM E18, and weight is 0.2–0.5 kg. These values are reference ranges; actual specifications must be confirmed with the legal manufacturer or supplier for the specific model and application. The holder's design ensures accurate nozzle alignment, which is critical for repeatable placement and dispensing. It must be verified that the holder is compatible with the placement head and that all tolerances meet the required standards for the intended use.

The nozzle holder/plate is mechanically fastened to the robotic placement head's main body. It features precisely machined mounting points or receptacles that accept and secure individual nozzles. During operation, it transfers the robotic arm's positioning forces to the nozzles while maintaining their alignment, enabling precise material dispensing or component placement according to programmed coordinates. The holder's rigidity and dimensional accuracy are essential to prevent nozzle deflection or misalignment, which could lead to placement errors. The operating pressure range (0.4–0.8 MPa) is critical for nozzle actuation; below 0.4 MPa, actuation may fail. The holder must be maintained within the specified temperature range to avoid deformation. Regular inspection of hole wear and surface condition is recommended to ensure continued performance.