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Hartog & Bikker increases availability of forklift trucks using fronius charging

Hartog & Bikker increases availability of forklift trucks using battery charging systems from Fronius

Hartog & Bikker is an expert in warehousing, volume transports and logistics. At its Oss site, the Dutch company stores empty cans for the drinks industry. Electrically-powered forklift trucks are used to transport these items within the plant. However, recurring problems were experienced when charging the forklift truck batteries, some of which were already relatively old. As a result, the company decided to optimise its charging technology. To do so, it is relying on the Selectiva battery charging systems from the Austrian specialist Fronius, which reduce energy consumption and CO2 emissions thanks to the innovative Ri charging process. Moreover, the gentle charging process extends the service life of the batteries, and even older batteries function significantly more reliably once again.

At the Oss site of Bikker Logistics BV, the most recent operating company of Hartog & Bikker, in the Dutch province of North Brabant, the towers of pallets are several metres high, almost reaching the hall ceiling. Around 30,000 fully-loaded pallets are stored here – often stacked in piles of three or four. Empty, brightly shining drinks cans from well-known brands of beer, soft drinks and energy drinks are securely packaged on these pallets and wait to be transported to the manufacturers who will fill them with the liquids. Approximately 9,000 cans fit onto a pallet – depending on the size and shape.

Up to 145 HGV transports each day

The logistics company was established in 1931 in Leerdam by the two founders Den Hartog and Bikker. They took over the transports for the town’s glass factory – still using horses and carts at that time. In 1997, the firm was acquired by the Meeus family company which, over the years, has grown into a group of several firms and is now one of the leading logistics companies in the Netherlands. As a part of this group, Hartog & Bikker today organises and manages the complete logistics and transport flows for products such as cardboard packaging, plastic crates, plastic bottles and glass and can packaging for major international clients from a range of market segments. Hartog & Bikker has specialised in volume goods and has developed into one of the most important European transport companies for this segment. Employees based in the headquarters in Vuren and in Oss coordinate the orders for all branches, sending up to 145 HGVs out on the road every day. The majority of transports are headed for the Benelux countries, to northern France or to Germany. On average, Hartog & Bikker stores up to 300,000 pallets at its site, over an area of approximately 350,000 square metres.

In order to move the goods around efficiently, nine electrically-powered forklift trucks manufactured by Still and R&W are used at Bikker Logistics BV in Oss. The site operates a three-shift pattern, six days a week. In order to ensure a high level of availability for the fleet, the electric forklift trucks are equipped with 80-volt back-up batteries, which are charged at a central charging station. “Some of the batteries in our lift trucks are already more than ten years old,” explains Sander Schuijers, warehouse manager at Bikker Logistics BV. Previously, these batteries were causing recurring problems. The older battery models were often not charged sufficiently, and minor defects arose frequently. “As a result, we were no longer able to fully rely on the availability of our fleet. The faulty charge cycles had a negative effect on the batteries. This was very annoying for us and cost a lot of time and money, due to the additional maintenance and repair expenses,” summarises Schuijers.

Availability of forklift truck fleet improved

In order to stop such problems arising, the logistics specialists gradually replaced the old chargers with battery charging technology from Fronius. Today, the charging station consists only of devices from the Austrian experts. These devices were delivered and set up by the Dutch sales partner of Fronius, R & W Batterijen. “When it comes to the energy consumption and the performance of the forklift trucks, many users generally look only at the batteries and the vehicles themselves,” explains Stevan van Laar, account manager at R & W. “However, it is in the charging technology – a component that is frequently overlooked – that the greatest potential for optimisation is often found. We therefore recommended the Fronius devices, as many of our customers have had good experiences with them in the past.”

Ri charging process enables gentle charging

Bikker Logistics BV is using the battery charging systems from the latest generation of the Selectiva product range. These systems incorporate the Ri charging process. “This is the most advanced process currently available on the market,” notes Stevan van Laar. The secret: unlike conventional technology, this process does not follow a rigid characteristic with a fixed current across the entire battery capacity range. Instead, the characteristic results from the effective inner resistance (Ri) of the battery, which is dependent on its voltage, capacity and state of charge. “This means that each charging process is unique, with an individual characteristic,” explains Stevan van Laar. “Furthermore, losses during the main charging phase, which impair the energy balance and lead to harmful heating up of the battery, are minimised.” The Selectiva battery charging systems from Fronius also have a special Refresh characteristic. This helps to improve the performance of deeply-discharged and sulphated batteries again.

Warehouse manager Sander Schuijers is also impressed by the technology: “The gentle and adapted charging preserves the capacity of the batteries and extends their service life. This allows us to reduce our operating costs and, above all, to increase the availability of the fleet of forklift trucks.” What is more, the process of replacing and connecting the batteries is also extremely simple. The employees remove the heavy 80-volt batteries from the vehicle using a manual lift truck, transport them carefully to the storage area and exchange them for a fully-charged battery. This process takes only a few minutes, then the forklift truck is ready for use once again. Employees simply have to connect the plug – everything else happens automatically. “With the new charging technology from Fronius, even older battery models function reliably again. Frequent failures are now a thing of the past,” summarises Sander Schuijers. “Thanks to Fronius we can concentrate on our actual work again – and rely fully and completely on the availability of our forklift truck fleet. This ensures seamless processes within our company.”

www.fronius.com/en-gb/uk

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