How to Prevent Powder stuck in the Sealing Line Area of Sachet Filling Machines？
Sep 30,2024 / in Blog / Top ten China packaging machine manufacturing companies
How to Prevent Powder Residue in the Sealing Area of Sachet Filling Machines？
Ensuring a clean and reliable seal is crucial when packaging powdered products. Recently, one of our Vietnamese customers raised a common issue: powder getting stuck in the top sealing area of their sachet filling machine. This not only affects the appearance of the packaging but could also compromise product safety by weakening the seal.
Let’s take a closer look at why this happens and how to address it.
Common Causes of Powder Residue in Seals
1. Out-of-Sync Control System
Many machines still operate without a PLC (Programmable Logic Controller), which can cause poor coordination between filling and sealing actions. This leads to the sealing process starting before the powder has fully entered the bag, trapping powder in the seal.
2. Improper Discharge Tube Design
The design of the discharge tube (downspout) plays a significant role in the flow of powder. If the tube isn't optimized for the specific product, powder can remain in the upper part of the bag when sealing begins, leading to contamination of the seal.
3. Incorrect Machine Settings
Misaligned parameters, such as filling speed, sealing timing, or bag length, can also cause the sealing process to begin before the powder is fully dispensed, leading to powder being caught in the top seal.
Solutions to Optimize Sealing
1. Upgrade to a PLC System
Switching to a PLC-based control system allows for more precise timing and synchronization between the filling and sealing processes. This upgrade can greatly reduce the risk of powder getting caught in the seal and improve overall packaging efficiency.
2. Optimize Discharge Tube Design
The discharge tube should be tailored to the specific powder’s flow characteristics. A well-designed tube will ensure the powder flows smoothly and reaches the bottom of the bag before sealing, preventing residue in the seal.
3. Adjust Machine Parameters
Ensuring the correct machine settings—such as filling speed and sealing timing—are essential for smooth operation. Regular calibration and proper setup will prevent powder from being trapped in the seal and ensure high-quality packaging.
Conclusion
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Ensuring a clean and reliable seal is crucial when packaging powdered products. Recently, one of our Vietnamese customers raised a common issue: powder getting stuck in the top sealing area of their sachet filling machine. This not only affects the appearance of the packaging but could also compromise product safety by weakening the seal.
Let’s take a closer look at why this happens and how to address it.
Common Causes of Powder Residue in Seals
1. Out-of-Sync Control System
Many machines still operate without a PLC (Programmable Logic Controller), which can cause poor coordination between filling and sealing actions. This leads to the sealing process starting before the powder has fully entered the bag, trapping powder in the seal.
2. Improper Discharge Tube Design
The design of the discharge tube (downspout) plays a significant role in the flow of powder. If the tube isn't optimized for the specific product, powder can remain in the upper part of the bag when sealing begins, leading to contamination of the seal.
3. Incorrect Machine Settings
Misaligned parameters, such as filling speed, sealing timing, or bag length, can also cause the sealing process to begin before the powder is fully dispensed, leading to powder being caught in the top seal.
Solutions to Optimize Sealing
1. Upgrade to a PLC System
Switching to a PLC-based control system allows for more precise timing and synchronization between the filling and sealing processes. This upgrade can greatly reduce the risk of powder getting caught in the seal and improve overall packaging efficiency.
2. Optimize Discharge Tube Design
The discharge tube should be tailored to the specific powder’s flow characteristics. A well-designed tube will ensure the powder flows smoothly and reaches the bottom of the bag before sealing, preventing residue in the seal.
3. Adjust Machine Parameters
Ensuring the correct machine settings—such as filling speed and sealing timing—are essential for smooth operation. Regular calibration and proper setup will prevent powder from being trapped in the seal and ensure high-quality packaging.
Conclusion
While powder residue in the sealing area is a common issue, it can be effectively solved by upgrading control systems, optimizing the discharge tube design, and adjusting machine parameters. If you're experiencing similar issues or want to improve your packaging machine’s performance, don’t hesitate to contact us for expert solutions.
Cases:
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