Customized weighing software for demanding dosing applications

In some cases, a dosing process needs to be carried out gently and gradually to prevent foaming, overflowing, under- or overdosing, or even altering of the product’s properties. To ensure gentle and accurate dosing, Eilersen Electric A/S can offer customized dosing software to ensure the dosing is performed quickly and smoothly.

One of Eilersen’s larger customers had a challenge with the bottling of various liquid products that would foam over during dosing into smaller containers. This led to many unwanted production stoppages, as well as significant fluctuations in the quality and uniformity of deliveries. The customer therefore contacted Eilersen to find a solution to this challenge.

Eilersen’s engineers solved the problem by developing dosing software to ensure that the dosing was performed in different steps or stages, i.e. in different filling sequences. In other words, the dosing became more intelligent and customized to the customer’s specific dosing needs.

The dosing is performed in several steps

Eilersen thus developed new dosing software that ensured slow dosing at the beginning of the dosing process. This initial fine-dosing ensured that the product did not foam, preventing the risk of overflow during subsequent dosing.

After a configurable time period, the fine-dosing was replaced with faster dosing, where a larger quantity at a time was dosed. And when the setpoint, i.e. the final dosing quantity, was about to be reached, the dosing changed again – this time from coarse-dosing to fine-dosing. This final fine-dosing then continued until the desired net content was reached.

In this way, the customer is spared problems with final foaming and possible overflow of the product, as well as subsequent discoloration of containers and labels. Furthermore, the dosing became extra precise and accurate – with a deviation from the setpoint of maximum 0.025%.

The dosing software was developed with variable setpoints and can thus be adjusted to other filling and dosing tasks that the customer may perform.

The result of the new filling process is fewer production stoppages due to incorrect filling, and better product quality due to uniform filling quantity – the customer experiences no variation in this respect. Finally, waste due to overfilling is minimized, as is time spent on cleaning packaging.

All hardware for Eilersen’s weighing and dosing solutions is extremely reliable and particularly suitable for applications where there are demands for hygienic properties and easy cleaning of production equipment. The weighing cells and weighing terminals have been developed to withstand harsh treatment in a typical production environment necessitating high-pressure cleaning with harsh detergents and disinfectants.