7
approximately equal to the thickness of packing bag in one layer. The firmness
of sealing and high definition of embossing shall be guaranteed, also suitable
length extended from two ends of sealing part shall be ensured.
3. Ways of replacing and adjusting the sealing belt:
1) Remove the safety cover, when heating blocks become cooled, rotate retaining
washer in the upper heating block and lower cooling blocks by 30 degrees, and
lift these two sections. At same time loosen the
middle pressing wheel and
middle pressing wheel spring, and remove guiding belt to prepare for removing
sealing belt.
2) Push and move the driven wheel seat (adjusting block) in the direction of
heating blocks, then remove the sealing belt.
3) Replace with a new sealing belt and install the guiding belt back.
4) Put the driven wheel, heating and cooling blocks, pressing wheels, and etc. to
the original position, meanwhile rotate cam clockwise to make it return to
original position as well.
5) Connect the power supply and test the machine, if irregular sealing appears on
the belt, make adjustment by adjusting screws on the driven wheel seat
(adjusting block)(
see Diagram 5).
Diagram 5
1.driven wheel seat(adjusting plate); 2.driven wheel seat(adjusting block);
3/4.adjusting screws; 5.spring
6) Close the safety cover, connect the power supply and test the machine. When
the heating block reaches setting temperature, it can work continuously.