For the symmetric wire bent elements of small production and low accuracy, the manual revolving bending die can be used to improve economical efficiency.

The method uses the valve of opening degree with soft ware method by editting sevaral wires in manual operation device as basic statistics of adaptive fuzzy control to get the non disturbance conversion.

A manual cleaning machine of multifunction has been designed and manufactured.

Structure characteristic and performance analyse of oblique rack slippery pieces type manual chuck;