Answer bluing packaged with curly phenomenon and contact way

Answer bluing packaging with curly phenomenon and joint way bluing packing belt is a kind of packaging material, using the commonly used ones are in addition to some common packaging products, some difficult packaging products will choose it for packing, very easy to use, but in the use process also has been plagued by the user, namely in the process of use can appear sometimes package with curly phenomenon, what are the factors that cause this phenomenon? Specific as follows: there are two main factors causing packaged with curly, one is the cause of the improper operation, during operation of knitting machine, the machine of speed and wire drawing machine the three mechanical speed must be synchronous, otherwise may cause take curl; The second to avoid even the appearance of twisted silk, this is likely to cause take curl. Bluing packaged with a mode of three kinds of joint way, strapping, this way is usually with hemp rope, plastic rope as the strapping material, tapping into slipknot, also strong this way is easy to solve. Way two, metal button, this is one way is to use more, namely lay in tapping a hasp. Way three, hot melt lap type, this way need to surface heat, with less.