What are the common malfunctions of wet wipe packaging machines? (Part 4)

5. Wet Wipe Packaging Machine The sealing machine is running intermittently.

We once encountered a problem during production where the sealing machine kept stopping and starting, with inconsistent speeds. After removing the back panel of the machine, we discovered that the connection points between the motor shaft and the gearbox had become loose and misaligned. By tightening the screws again to ensure everything was securely fitted, we successfully resolved the issue.

Additionally, Wet Wipe Machine The main motor operates via contact with carbon brushes. If the carbon brushes are severely worn, fail to make full contact with the slip rings, or have poor friction, this can also cause the sealing machine to start and stop intermittently. Simply replacing them with new brushes of the same model will resolve the issue.

6. Bubbles and irregular marks appear at the sealing area.

This type of wet wipe machine malfunction is also fairly common—though it doesn’t cause product leakage, it does detract from the packaging’s aesthetic appeal and tarnish the brand image. The main reasons behind this issue are as follows:

(1) Over time, dust and plastic debris—among other contaminants—accumulate on the high-temperature belt of the wet-wipe packaging machine, causing it to become uneven and rough. This leads to inconsistent heating during sealing, resulting in bubbles after the product is pressed together by the cooling roller. To resolve the issue, simply clean the belt or replace it entirely. Typically, the high-temperature belt is 1.5 cm wide and about 22 μm thick; however, if contaminants become firmly stuck and can’t be removed through cleaning, the belt must be discarded.

(2) The cold-pressed rubber roller has irregularly arranged raised and recessed marks that are directly transferred onto the packaging, resulting in numerous visible creases at the sealing area. To ensure a neat and aesthetically pleasing appearance of the packaging bags, it’s best to replace the cold-pressed rubber roller.

7. Key Considerations for Maintaining Wet Wipe Packaging Machinery

(1) The sealing machine should be placed in a well-ventilated, dry area; generally, maintaining room temperature around 25°C is sufficient.
(2) Every 48 hours of operation, lubricate all moving parts with No. 6 oil, focusing primarily on gears, bearings, and the gearbox.

(3) Wet Wipe Machine Dust the unit regularly to keep it clean. When not in use, unplug the power cord and cover it with a protective cloth.
(4) If the device runs for an extended period, make sure to turn on the cooling fan before shutting it down. Allow the temperature to drop first, as turning it off without proper cooling can easily damage the high-temperature components.

(5) High-temperature zones should be regularly cleaned to ensure sealing quality.
(6) Severely worn components should be replaced promptly to extend the overall lifespan of the machine.