Climate change is one of the most pressing issues of our time. Addressing it requires a transition to a low-carbon economy. And, as stated in the Paris Agreement on climate change, the business has a key role to play.
EHCOLO’s ambition is to proactively implement technology, based on the latest innovations, to achieve the lowest possible carbon footprint for our equipment. We will continuously be evolving, as new solutions and technologies emerge.
One thing is manufacturing the equipment in EHCOLO’s factory with a focus on carbon emissions. Another thing is the total carbon footprint, that the machine will set in its lifetime of packing products. Here its especially important that the products are packed using a minimum of energy, reducing carbon emission and overall running cost.
Since 2009 we have continuously strived to make our machines more and more energy efficient. Today we are well on our way, to be the leading manufacturer of palletizers, in terms of low energy consumption. All mechanical parts have been improved in design, incorporating energy efficiency into our well tested original sturdy design. Surfaces with high drag due to product contact, have been Teflon coated. Low friction ball bearings, at all moveable joints.
Weight reduction, from either design or material change to aluminum on moveable parts. Infective air cylinders have been replaced by electric actuators, where this has been physically possible. Gearmotors have been updated to meet the highest international efficiency standards. All asynchronous motors are currently premium efficiency Class IE3, which is the best standard available today.
On all axis for positioning, we use SEW servo motors, which is beyond the international efficiency standards, as no standards yet comply with the low energy consumption from these motor types. The Ultra Premium Efficiency Class IE4 is currently in preparation, and we are looking forward to what this can offer us in terms of future improvements.
Our control systems are the best in its class, with all motors running on the AcoposMulti system from B&R. All motors are driven by this system, which ensures the soft start and stops of all movements, contributing to a longer mechanical lifetime, and lower energy consumption.
For complex machines where movements are executed consecutively, kinetic energy is often released in the braking resistors in the form of heat. By connecting ACOPOSmulti servo drives via the DC bus, up to 30% of the energy used for movements can be saved. Brake energy is stored in the capacitors and made available at a later time for acceleration.
This braking energy is re-used by other running motors, reducing energy consumption by up to 20% compared to systems without regeneration capabilities.
The user profits not only from the efficient use of energy, but also from a cooler control cabinet because the heat from the resistors is greatly reduced. Onsite real-time measurement on our palletizers has proven that we save 20% on the energy due to the AcoposMulti system alone.