How to choose suitable rejector for dynamic checkweigher?

dynamic check weighing

1. Air-blowing type: advantages, specifically for products with small size and light weight, fast removal speed, no wearing parts, and long service life.

Disadvantages: the air flow blown by the air brush may blow to the weighing section when it encounters the swirling air flow of the defective box, thereby affecting the weighing accuracy.

2. Swing arm type: Advantages, suitable for bagged products below 1KG; Disadvantages, the removal speed is relatively slow, and material jams may occur.

3. Falling type: Advantages, suitable for thin-packed sheet products, no jamming phenomenon; Disadvantages, the removal speed is slower, and the noise is higher when the removal speed is accelerated.

4. Push rod type: advantages, wide application range (not suitable for sheet products), mature and stable, fast removal speed; disadvantages, the push rod takes up a lot of space, and the guide rod needs to be oiled for maintenance.

5. Roller selection: advantages, suitable for large-volume, full-box products; disadvantages, slow removal speed, not suitable for small packaging, flexible packaging products, guide rods often need to be oiled for maintenance.

6. Slide type: Advantages, suitable for unsealed bottled products without product overflow; Disadvantages, the structure is more complicated, and the installation is more cumbersome.