Programmable volume dispensing apparatus

摘要: A programmable volume dispensing apparatus having a positive displacement metering pump for varying amounts of high viscosity fluids such as soldering paste. The comprises and digitally driven drive motor under control. is connected to the adjustment via chain sprocket mechanism. mechanism adjusts stop which controls stroke fluid dispensed. In an alternate embodiment flexible rotary shaft Different volumes solder can be dispensed different areas shapes pads on circuit board in accordance with preprogrammed commands.