Product Overview The HS-VD300 is an automatic vision guided PCB glue dispensing machine engineered for high-precision adhesive application on SMT and PCBA production lines. A CCD camera locates fiducials and component outlines in real time, so the dispensing path is corrected automatically instead of relying on mechanical fixtures. Combined with an AB glue mixing valve, the machine delivers two-component epoxy, silicone and polyurethane adhesives with a stable mixing ratio,