How is the precision of the powder packaging machine ensured?


Ensuring the accuracy of powder packaging machines requires comprehensive control from multiple dimensions, including mechanical design, control systems, process parameters, and maintenance management. The following are key measures and technical details to ensure accurate powder packaging:
I. Mechanical Design and Hardware Assurance
1. High-Precision Measurement System
Screw metering:
Servo motor driven screw, repeatability accuracy up to ±0.5% (e.g., German Rovema screw).
Screw material uses wear-resistant alloy (such as hard alloy coating), extending lifespan by 3 times.
Weight feedback:
Dynamic checkweigher (such as Mettler-Toledo) for real-time calibration, accuracy ±0.1g (applicable to 5g-5kg range).
2. Leak-proof and Dust-proof Structure
Sealing design:
Fully enclosed hopper + nitrogen protection (moisture and oxidation prevention), residual amount <0.1%.
Double cylinder bag clamping device, sealing leakage rate ≤0.01%.
Static elimination:
Ion air bar eliminates powder static electricity, reducing adsorption (static residue <10V).

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