What is the reason for the unreliable sealing of aluminum foil sealing machine

The aluminum foil sealing device might not seal tightly because of the subsequent reasons:
1. Insufficient warmness sealing temperature: Improper sealing temperature setting, decrease than the desired melting temperature, ensuing in inadequate melting and bonding of the sealing fabric. For example, while the thickness of the composite bag with OPP because the lining is 80-90um, the warmth sealing temperature must attain 170-180 ℃; The temperature of the composite bag with PE because the lining fabric must be managed among 180-200 ℃ while it's miles 85-100um. As the fabric thickness increases, the warmth sealing temperature desires to be correspondingly increased.
2. Too speedy warmness sealing speed: The sealing device runs too speedy, and the sealing fabric is bloodless pressed earlier than it's miles absolutely heated, ensuing in terrible sealing. It is important to lessen the velocity as it should be to make sure that the sealing vicinity gets enough time for heating and cooling.
3. Inappropriate strain of the bloodless pressed rubber wheel: Improper adjustment of the strain of the bloodless pressed rubber wheel, whether or not too excessive or too low, can have an effect on the sealing excellent. It must be adjusted to a mild degree to make sure that the sealing fabric is correctly cooled and firmly bonded after warmness sealing.
4. Sealing fabric issue: The excellent of the sealing movie is terrible or now no longer appropriate for the modern-day sealing process, which may also cause susceptible sealing. For example, packaging luggage with OPP or blow molded PE composite lining are extra at risk of issues in the course of sealing.
5. Inaccurate warmness sealing position: The sealing head of the sealing device isn't always aligned appropriately with the packaging bag, ensuing in incomplete sealing or choppy heating. 6. Improper gadget adjustment: such as different parameter settings of the sealing device, along with sealing time, electricity output, etc., which have been now no longer adjusted as it should be in step with the fabric characteristics. To resolve the trouble of susceptible sealing, it is also important to remember the above elements comprehensively, make suitable modifications and optimizations, and on occasion even investigate the protection of the sealing device to make sure the ordinary operation of all elements of the device.