Computerized Automatic Side and Heel Seat Lasting Machine TH-658B Product Description TH-658B Lasting Machine uses Hydraulic and pneumatically operated system. The control of the opening stroke for the left and right nozzles, this Automatic Shoe Lasting Machine can be chosen with the upper shape following mode or the constant pressure opening mode. The Side Lasting Machine PLC system is equipped with the touch screen to operate the machine with the graphical symbols. The setting of the parameters (time and stroke) is by numerical key in, with the protection of the key switch to avoid the reading or changing by the non-authorized. Error diagnostic readable on the touch screen. The heel band is transmitted by the chain mechanism. The side lasting device is equipped with four fingers lasting structure, with the designed function for the overlapped lasting area with heel lasting device. The finger lasting mechanism is designed with the adjustable left and right balance, also the two-step operation pressure setting.