First: you may replace "Sugar packing machine supplier" of the strap, original packing with relatively thicker, and now the thin, semi-automatic balers hot head can not be fully in place. Solution: Re-adjust the hot head position
Second: It may be self "Sugar packing machine supplier
http://www.pmpack.net/products-detail.asp?cpid=272" of hot head position deviation or packaged with some partial joints, correcting click on it.
Third: with packing material with a relationship, you may doping ingredients packaged with this batch of raw material is more, the main ingredient used packing tape on the market now for polypropylene, commonly known pp. Pp content packaged with a little better to be over 95%. Other more complex composition, such as mixing calcium carbonate, talc, glass fiber and other inorganic filler. If the ingredients are more hot-melt viscosity is poor. I suggest you let suppliers ratio parameters.
If the above issues are ruled out, then the only judge "Sugar packing machine supplier
http://www.pmpack.net/products-detail.asp?cpid=272" aging or changing accessories.