8
out at a higher temperature than necessary, may result in the premature
wear of parts and the excessive melting of packaging material.
Never weld without film.
5.4.
The use of the cutting knife
The knife is pulled back by a spring for safety reasons. By pressing
down the knife and moving it back and forth the film can be cut during the
sealing time. With the same operation, bags can be prepared from a film
roll (tube film).
Note: In order to achieve the best cutting result press the head of the
knife down at the middle of the film which is sealed and push forward and
backwards. This can prevent the breaking of film at the sides.
(Figure 5)
.
Figure 5 Correct cutting technique
Never press down the knife head when the sealing bar is
open as the sharp knife may cause injuries. Before each use