Trace automatic dispensing machine is the realization of automatic dispensing work is not high on the human operation needs, can help manufacturers save most of the labor cost, and through the automatic mode can perform high precision dispensing and more efficient bulk dispensing mode, which is manual dispensing does not have a competitive advantage. The dispensing quantity of manual dispensing machine can not be accurately controlled, and the problem of overflow is easy to occur. It is not only bad for the exact docking of objects, but also affects the external aesthetics of dispensing objects. The automatic dispensing machine can accurately control the amount of glue through the micro control system. Now the main application of the manual dispensing area is the rework link, because manual dispensing machine is based on ergonomic design, so in terms of control and use or manual dispensing machine is easier to operate, and realize automatic dispensing machine or operating system micro dispensing mainly depends on the operating personnel can not follow real-time thinking done rework dispensing in rework process, this is by far the defect automatic dispensing machine exists. Precision manual glue dispenser