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Electronic weighing system for perfect mix control

July 2020

With over 40 years’ experience, Carmix has helped to revolutionize the concrete industry thanks to continuous technical innovation and the development of digital technologies that simplify on-site operations. One example is Concrete-Mate, a load-cell electronic weighing system that weighs the concrete mix directly inside the drum. Unlike many weighing systems in the market where a hydraulic weighing system is installed on the bucket, the one designed by Carmix is unique as it is equipped with four electronic load cells on the drum bottom, providing extremely accurate data on concrete quality.

Concrete-Mate, the electronic weighing system with smart load cells and printer, is only available on the Carmix 3500 TC model.  It allows the operator to simultaneously dose and check all aggregates as they are loaded inside the drum, including water.  This simplifies the control of each aggregate, reducing dosing error.

Concrete-Mate allows up to 15 different mixes and 99 types of materials to be selected. Multiple combinations can be created with these elements, based on the construction site.  Once the desired mix design has been stored, the software suggests the doses for each element, the sequence of operations and the time needed for each process step, thus eliminating any potential error.  The four load cells act as weight sensors directly where the mix is made.

Compared to systems that use pressure sensors on the loader, this system guarantees direct control of components right where the mix is made (including the weight of water, for an optimal W/C ratio), greater accuracy and a maximum 2% weight deviation, as in the most sophisticated concrete plants. Monitoring of finished product and check of the operator's performance add to this superior performance. Concrete-Mate adapts the concrete recipe to moisture content input, by automatically recalculating the W/C ratio.

More at: www.carmix.com

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