MESTO reduces energy consumption thanks to WITTMANN BATTENFELD’s machines

The appliances from MESTO are developed to give the customers added value. These are, for example, the ergonomic design of the sprayers for fatigue-free working, long service life of the appliances due to their robustness, as well as guaranteed availability of spare parts for 20 years. The products are marketed partly as catalog goods and partly developed and manufactured for OEMs.

A product line of special interest to MESTO is sprayers for disease control, and here in particular for fighting malaria. MESTO’s range includes an appliance certified by the WHO which was specially developed for this purpose.

The photo shows the production process of bottom parts of MESTO's 3-bar sprayers.

Besides, the aspect of sustainability is also given a high priority at MESTO. For instance, recycled material is used for producing non-pressurized parts. A photovoltaic system is currently being installed, and the waste heat from the injection molding machines is used for heating.

MESTO pointed out that a significant amount of energy savings has also been achieved by replacing old injection molding machines with new ones. “The decision to replace the first old machine models was made in order to improve quality standards and reliability," Élise Sellmayr, Manager of Production Technology and Process Optimization at MESTO, explained. 

"After a substantial reduction of electricity consumption was measured with the new equipment, this aspect was another decisive motive for replacing more old machines."

In this way, electricity consumption has been reduced by 30% since 2017 by exchanging eight of a total of 16 existing machines for new ones from WITTMANN BATTENFELD.

The photo shows that the representatives of MESTO and WITTMANN BATTENFELD stand in front of the SmartPower 350/2250.

Currently, a total of 15 injection molding machines are operating at MESTO, ranging from 250 to 5,000 kN in clamping force, 11 of which have come from WITTMANN BATTENFELD.

The machines delivered since 2017 are models from the servo-hydraulic SmartPower series with clamping forces from 600 to 3,500 kN, as well as one MacroPower with 5,000 kN clamping force. The machines from the SmartPower series feature high level of stability, energy efficiency and compactness. Most of the machines come equipped with linear robots from WITTMANN.

One SmartPower 350 is designed as an Insider cell, which means that the W831 robot from WITTMANN, a conveyor belt and the protective housing are all integrated in the production cell – a solution appreciated at MESTO due to the amount of space saved by the system’s compactness, and one which will also be considered for the acquisition of future production cells.

The photo shows the finished 3-bar pressurized sprayers produced by MESTO.

On the most recently delivered SmartPower 350, an automation system designed by WITTMANN BATTENFELD Germany based in Nuremberg has been implemented, which includes a separation and feeding device for insert parts and a stacking unit.

An additional SmartPower 180 equipped with a robot and automation will be delivered in late summer this year. The object of this project is to feed various metal inserts to the machine for overmolding. In addition to the machines with automation, MESTO has also ordered a printing station for plastic parts from WITTMANN BATTENFELD Germany.

Apart from their high energy efficiency, the injection molding machines are appreciated at MESTO primarily for their compactness and reliability. According to MESTO, the possibility to obtain machines, automation and auxiliaries all from a single source from WITTMANN is also becoming more important.

The photo shows the 6-bar high-pressure sprayers produced by MESTO.