At present, the main heat sealing process of the automatic non-woven bag making machine on the market is ultrasonic heat sealing，so non-woven bag making machine also named ultrasonic bag making machine. But how to choose the ultrasonic ? What are the requirements for ultrasonic of different nonwoven materials and thicknesses?
In general, the ultrasonic currently used in non-woven bag making machines that mainly have low-power ultrasonic of 20KHZ (1500W) and high-power ultrasonic of 15KHZ (2600W).Low-power ultrasonic are suitable for the fabrics which less than 30GSM, such as T-shirt bag,then high-power ultrasonic is mainly suitable for thicker fabrics and the weight is more than 60-80GSM, such as non-woven handbags, laminated non woven bags. Customers should according to their own order requirements,then to choose the right ultrasonic specifications .In order to achieve the desired heat sealing effect.
Post time: Apr-25-2022