Equipped with “Automatic Curtain Pleat Calculation Module” that allows operator to input the curtain panel’s original width, pleat’s numbers, preferred pleat distance and some other parameter, as well as the targeted finished width after pleating on the Siemens Touch Screen control panel. Then the computer module will automatically calculate the parameters based on the operator’s required measurement and then the pleating device will adjust automatically depending on the parameters from the curtain pleat calculated values.