While equipment that fills bags with product can be very accurate (i.e. +/- 0.5%), they are not weight certifiable for products for sale. This is because: (1) the product is moving while it is being weighed and (2) the bag filling equipment has moving parts that can wear or be adjusted. The bag filler is not a fixed, stable platform... Read more
Category: Bag Fillers
What Size Supply Hopper Do I Need?
The supply hopper sits on top of your bagging scale. The size of the supply hopper determines how many bags you can fill before you have to replenish it. Incline feed conveyors are often used to fill your supply hopper from a blender, dryer, super sack, or silo. Depending on your product, feed conveyors may be cleated belt, auger, vacuum,... Read more
How to Choose the Right Spout for Bagging Scales
To fill a bag, bagging scales need a spout that fits inside the bag. The spout is determined by the application, the size of the bag, and the material of the bag. Types: There are 2 basic types of spouts for open mouth bags: non-clamp and clamp. Non-Clamping Spouts The non-clamp spout is a simple tapered funnel where the bag... Read more
Types of Bagging Scale Clamps
Both gross weigh and net weigh bagging scales that fill open mouth bags have a spout where the product is discharged into a bag. To hold the bag on the spout while it is being filled, bagging scales offer different types of bag clamping assemblies. There are two typical types of bag clamping assemblies: clam shell and center grip. CLAM... Read more
Types of Bagging Scale Feeders
The choice of a bagging scale feeder is dependent on your product’s flow characteristics. The types of scale feeders include gravity, vibratory, belt, auger, impeller, and air packer. Gravity Feeders: Gravity baggers are available as gross or net weigh baggers and utilize gravity to fill bags with free-flowing, high-density materials like flakes, granules, or pellets where the product easily falls... Read more
Mechanical vs. Digital Bagging Scales
Bag filling scales are available with a mechanical weighing mechanism or a digital weighing mechanism. Mechanical Bagging Scales Mechanical scales have a counterbalance weight system. Certified counterweights (i.e. 1, 2, or 5 lb.) are hung on the scale. A smaller weight on a slide bar (much like the old doctor’s scale) or a threaded rod is used for fine adjustment... Read more
Gross Weigh vs Net Weigh Bagging Scales
There are two types of bagging scales based on how the product is weighed: gross weigh scales and net weigh scales. Gross Weigh Bagging Scales With gross weigh scales, the bag is hung on the scale spout and the bag weight is zeroed out. As the product is added to the bag, the bag is weighed. When the desired weight... Read more