Common problems of Ningbo garment bags and upright bags, one by one!

Currently, stand-up pouches are widely used in various fields. Ningbo garment bags are also widely used. A stand-up pouch is a type of with a horizontal support structure at the bottom ， that can stand on its own without any support, whether open or closed. soft packaging bag. Stand-up pouches quickly became popular in various fields. The main reason is that they can enhance product grade, strengthen shelf visual effects, be lightweight, and convenient to use. ， Adding a zipper to it makes it even more convenient for consumers to use. Ningbo garment bags can be reclosed and opened. ， Stand-up pouches are common Ningbo garment bags. Compared to three-side seal bags, center seal bags, etc., they are a more complex bag type. Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will analyze the problems encountered and solutions during the production of stand-up pouches based on their rich experience in producing packaging bags. in stand-up pouch manufacturing process and their solutions.

Precautions

1. It is strictly forbidden to put hands into the cutting area when the machine is running;

2. Do not wipe rotating rollers when the machine is running;

3. Do not place tools on the knife holder when the machine is running to prevent them from falling into the material closing roller due to vibration;

4. It is strictly forbidden to place other items where there are aged wheels;

Abnormalities and countermeasures

I. Bubbles appear at the heat seal

1. Heat sealing three elements are not properly adjusted (adjust to appropriate settings)

2. Dirt on the sealing knife or sub-plate (clear)

3. Silicone plate or high-temperature cloth damaged (replace)

4. The sealing knife is deformed and needs grinding.

II. Eye mark skipping

1. Eye mark color is too light (select another eye mark)

2. Insufficient sensitivity

3. Set size error is too large (adjust size)

4. Heat sealing time is too long (cannot be pulled)

5. Compensation out of control (change compensation parameters)

III. Poor opening

1. Cutting knife is not sharp, has burrs (can be sharpened with an oilstone)

2. Temperature too high, heat transfer caused poor opening (cool down)

3. Poor slipperiness of raw materials, add a small amount of slip powder, without affecting the bag's 子 cleanliness as the standard.

4. Paper mouth position is too small, with slight sealing at both ends (move heat sealing knife position)

IV. Punching does not remove burrs

1. Is the mold sharp (select a sharp mold)

2. Mold not installed correctly (reinstall and adjust)

3. Insufficient curing time (stop machine and return to curing room)

4. Air pressure too low (increase air pressure)

V. How scratches are caused

1. Rotating roller not rotating smoothly (lubricate and adjust)

2. Debris on the material clamp causes scratches (remove debris)

3. Poor slipperiness of raw materials, friction causes scratches (add a small amount of slip powder)

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