Description
PURPOSE:
Automatic hopper scales SWEDA WBA-700-P-200 are intended for accounting of bulk materials. The peculiarity of the scales is the exclusion of dusting from the loading and weighing hopper during their operation due to a special design.
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CONSTRUCTION AND PRINCIPLE OF OPERATION:
Hopper scales include the following components:
- a material feed, consisting of a receiving hopper with a sector gate, which provides material loading into the weighing hopper, and is driven by a pneumatic cylinder rod;
- a weight hopper with a set of load cells and a sector gate providing material unloading and driven by a pneumatic cylinder rod;
- weight processor PW-310 or weight processor PW-310i and junction box;
- pneumatic drive cabinet;
- frame with covers (optional).
The work of the hopper scales consists in performing the following cycles:
- Material flow into the weighing hopper due to opening and closing of the loading gates;
- Measuring the mass of the weighing hopper;
- Unloading material by opening and closing the unloading gate;
- Calculation of the mass of a portion of the material that has passed through the scales;
- Accumulation of the portion value in the weight processor.
The frequency of operation of the gates and the repetition period of the cycles of a given production supply of material.
The execution of the algorithm and control of all actuators of the hopper scales are provided by the weight processor PW-310 or weight processor PW-310i. The processor also monitors the state of all units of the scales, displays the results of their work, communicates with the upper-level of the control system of technological process and the automated controlling system.
Our specialists will provide supervision of installation, adjustment, commissioning, warranty and subsequent maintenance of hopper scales.
