Metallitööstus - Elister

Birger production is irrigated by the UNIFOG irrigation system

Client

Made

Location

Birger OÜ specialises in the design and manufacture of HL-type containers. Located in Avinurme, Estonia, the company has 12 500 square metres of modern production space and 10 000 square metres of warehouse space. Their product range includes different types of containers to meet the needs of each customer.

Purpose

A customer contacted us expressing concerns about their production process where insufficient humidity was observed. In particular, the humidity in the production area had dropped below 20%, which had a significant impact on the paint drying rate and thus the overall production efficiency.

The client wanted to have a system that was as simple, affordable and reliable as possible. Solving such a problem requires a precise and considered approach. Our team carried out thorough calculations to find the best possible solution. 

 

Our aim is always to ensure that our customers get the best results from their production processes. Committed to quality service and efficient solutions, we are proud to have been able to address this challenge and help our customers achieve the desired result.

Solution

To achieve the goal, we installed in the customer's production premises. UNIFOG irrigation system. Taking into account air traffic and air volumes, we developed an efficient solution with a single zone. This system is specifically designed for industrial conditions, offering flexibility and efficiency. 
We added remote control to the system, allowing the customer to monitor the real situation in production and make changes if necessary. 

In addition to the irrigation system, we also installed a. water cushioning systemto ensure quality water for irrigation equipment. This ensures smooth system operation and helps keep maintenance costs low. 

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Harmet Metall chose GRAM welding filter towers to filter production air

Client

Made

Location

Harmet Metall specialises in the manufacture of metal structures. Their production process makes extensive use of metal welding, which in turn produces a huge amount of blue "welding fumes" that fill the production hall.

Our task was to find a solution...

As the production process used large parts that were manipulated during the work, it was not possible to create a specific point system for smoke extraction. The most sensible approach was therefore to use GramCleanAir a solution for welding filter towers.

After with demo the customer wanted to buy two filter towers for their production to help keep the environment cleaner.

 

Harmet Metalli and our team worked together to find a suitable solution for removing welding fumes from the production line. The filter towers help to maintain good air quality and ensure a safe and healthy working environment for welding workers.

We are proud to have been part of Harmet Metal's efforts to optimise their production processes and improve the working environment. Our experience and expertise helped them to find an efficient and sustainable solution that meets their needs.

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Tammer invests in a new powder coating automation line

Client

Made

Location

March 2022 brought a new chapter in Estonia's industrial landscape when Tammer approached Elister for a bid for an innovative powder coating line. The aim of the project was to provide a high quality surface coating by powder coating that would meet Tammer's high quality standards as well as their vision.

Together with our partners Gema and Aabo-Ideal, whose sole official representatives we are in Estonia, we developed a preliminary plan. We then fine-tuned it with Tammer to ensure the best possible solution.

We had to overcome several competitors to complete the project, but in the end we came out on top. The contract was signed by the end of 2022, which meant that we could start the installation works in May 2023. Thanks to the dedicated work of the team, the whole installation was ready before Midsummer.

Tammer's new automatic line includes a unique baking oven from Danish manufacturer Aabo-Ideal, which has both gas and electric heating capability - something you won't find in any other powder coater in Estonia.
The paint booth comes from the Swiss manufacturer Gema and is equipped with 16 automatic spray guns, which guarantee a high-quality paint result even at high speed. The products are moved by a monorail conveyor with a load capacity of 100 kg per metre.

In addition, we helped Tammer build compressed air ducts and ventilation duct outlets, ensuring a smooth and efficient production process.

You can read more about Tammer's investment on their website: Tammer invested one million in a new powder coating automation line.

We wish Tammer many trouble-free years of production and a quick return on investment, confident that their new powder coating line will bring great progress and innovation to the Estonian industrial sector.

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Welding ventilation in Lisako production hall renewed

Client

Made

Location

BMF (OÜ Lisako) started its activities in 2001 and their wide range of products covers the needs of very different customers - from hobby farmers to forestry professionals. 

BMF is one of Europe's largest manufacturers of forestry trailers, whose success is based on high-quality products designed in accordance with Estonia's long forestry tradition.

Purpose

Improve the quality and safety of the welding environment by optimising the existing ventilation system.

The client's previous solution, a "Push-Pull" ventilation system, was inefficient and needed to be revised - despite the system's existence, it did not clean the air in the plant.

There was a complete lack of stimulation in the robotic area, which led to a decline in the quality of the working environment.

Solution

We installed special cubes in the robot work areas to completely cover the area of the working robot. This ensures that fumes from the welding process are effectively removed. As cantilever cranes are actively used in the work, we could not use slats or curtains on the cubes, which would have further improved the result.

In addition, we equipped the robotic system with pressure control, which ensures that the alarm is only active when the robots are working and on an as-needed basis. This not only increases efficiency, but also helps to save energy costs.

On the existing "Push-Pull" system, we found that the system piping had been incorrectly calculated, which meant that the system was not working properly. We carried out a major rebuild of the system, including a redesign of the piping, which resulted in the system functioning correctly.

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Galv-Est uses heat from the production process to heat the plant

Client

Made

Location

Galv-Est AS is known as one of the leading hot dip galvanizing companies in Estonia. Starting its journey in 2004, the company has grown to become a major player in the metal industry sector. A source of particular pride is their largest zinc smelter in the Nordic countries, which enables them to offer a wide range of high-quality services.

Purpose

Galv-Est AS was faced with a challenge that is fairly typical in the hot dip galvanizing process: a large vacuum in the plant, created by the air being extracted from the zinc bath. The problem was not only the air flow of 45 000 m³/h, but also the fact that a significant amount of heat energy was lost in the process.

In addition, it was necessary to take into account the corrosive effects of zinc fumes and dust, which makes finding a solution even more complex.

Solution

Our solution was twofold: heat recovery and vacuum compensation. We chose a plate heat exchanger ventilation unit specifically designed with high heat exchange efficiency and specially machined elements to withstand the corrosive environment. Thanks to this device, it was possible to use the heat energy from the hot clay efficiently, even at temperatures as low as -25°C, without the need for additional heating.

In addition, we optimised the piping system by choosing stainless and acid-resistant materials to ensure long-term reliability.

The automation has been designed to synchronise the operation of the zinc bath and the fans in our system, ensuring optimal compensation of air volumes as required.

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EKT Teed paints in a new colour scheme

Client

Made

Location

EKT Teed OÜ is a fast growing company, which aims to provide high quality built and maintained roads.
maintained roads and streets. 

Purpose

The company is faced with the challenge of ensuring clean roads and safe traffic conditions in all weather conditions. In order to perform this task effectively, the company has a large fleet of equipment and machinery that requires regular maintenance and repair. 

The aim is to implement modern colour space technology in the technical maintenance processes of EKT Teed OÜ, with the aim of achieving a number of significant benefits. Firstly, modern colour space technology helps to maintain the exterior appearance of the machinery/equipment, thereby also ensuring resistance to weather conditions.

Solution

EKT Teed OÜ has adopted cutting-edge solutions to increase the efficiency of its colour space. 

  • WWOax series fan 
  • FILA-N-LED 2,21 luminaires
  • GRACO Merkur paint pump

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Palmse Mechanical Workshop (PALMS) paint line automation upgrade

Client

Made

Location

Palmse Mechanical Workshop (PALMS) is a family business established in 1992 by father and son. Today, PALMS is Europe's largest manufacturer of forest excavators and cranes. This leadership has been achieved through hard work and continuous product development.

Purpose

In 2016, the Palmse Mechanical Workshop invested in a powder coating automation line with KTL washing baths. The entire line is served by a Power&Free conveyor system, which has a huge variety of sensors to function.

In 2022, we received information that the Palmse Mechanical Chamber was concerned about the functioning of the system, and by that time various companies had tried to get the system working, but without success. Considering the fact that Ideal-Line a Aabo joined in 2019, with Elister OÜ as their official representative in Estonia, we were approached in a last ditch effort to get the system up and running.

Solution

After reviewing the system and a thorough analysis, we concluded that switching the conveyor automation to the Profinet protocol might be the best way to solve the customer's problems. 

After replacing the old sensors with Profinet-compatible sensors and carrying out some configuration work, the system has worked flawlessly to date. This solution has ensured a stable and reliable communication in the system, giving customer satisfaction and ensuring the downtime-free operation of the line, which until now had caused major material losses.

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Heat recovery is important at Sami AS powder coating plant

Client

Made

Location

Sami AS, known as one of Estonia's leading engineering companies, operates four factories: two in Saue and two in South Estonia. Rapid development and constant change in the industry have led to significant changes in production processes and logistics.

In 2023, Sami expanded its production capacity in Saue by adding a new production hall equipped with modern powder coating. This development allowed the consolidation of the drafting department in the same building.

Purpose

Sami AS's objective in starting the powder coating line project was multifaceted, focusing mainly on the following aspects:

  1. Improving energy efficiency: Given today's environmental consciousness and the need to conserve energy, Sami AS aimed to find solutions that would reduce their energy consumption and increase overall system efficiency.

  2. Optimising the production process:  modernise its production process to achieve high quality as well as speed of production, while ensuring a safe and healthy working environment for workers.

  3. Environmentally friendly solutions: Reducing the environmental footprint was also important, using innovative and sustainable technologies such as heat recovery.

  4. Cost optimisation: The project also aimed to financially find ways to reduce long-term costs, including energy costs, through more efficient and energy-saving technologies.

During this project, Sami AS focused on achieving these goals by integrating new technologies and systems to take its production to the next level.

If you believe that there are places in your production where heat can be reused or you are looking for ways to do so, contact us and we will put ourselves to the test!

Solution

In today's rapidly changing world, where energy saving and system efficiency are increasingly important, we integrated an innovative heat management solution into Sami AS's powder coating line. This not only reduces energy consumption, but also supports the following important functions:

 - Heat energy recovery: we use the heat from the baking oven for powder coating in a smart way, reducing the need for additional energy.

 - Ventilation in the assembly and painting shop: the heat from the oven helps to ensure fresh air throughout the shop ventilation system, reducing the need for an external energy source.

We allocate heat as follows:
A. The first step is to transfer the heat to the metal bath to maintain the temperature.
B. The remaining heat is transferred to the central heating system.
C. We use the energy from the oven to heat the entire ventilation system in the respective shop, which ensures fresh air for the workers. This unit does not require additional energy from elsewhere.

The projected payback period for such a system is around 5 years, but given the steadily rising energy costs, the real payback period may be shorter.

In addition, we are ready to divert surplus heat energy to domestic hot water and to use the energy surplus from compressors to produce compressed air. 

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Sami solved the entire welding shop ventilation efficiently

Client

Made

Location

Sami AS, known as one of Estonia's leading engineering companies, operates four factories: two in Saue and two in South Estonia. Rapid development and constant change in the industry have led to significant changes in production processes and logistics.

In 2023, Sami expanded its production capacity in Saue by adding a new production hall equipped with modern powder coating. This development allowed the assembly department to be consolidated in the same building, which in turn allowed the entire welding team to be merged into a single unit.

Purpose

After an extensive renovation, it was necessary to develop a manual welding area with 30 workstations and a robotic welding area with 6+1 positions, as well as ventilation solutions. The Elister team took up the challenge and carried out the necessary works. In addition, we needed a ventilation system for a 4-place after-cleaning workstation, which was also the responsibility of the Elister team.

As a result, the air in the production hall is clean and fresh, and the working environment is not only free of blue haze, but also more worker-friendly. In-house air circulation also contributes to heat energy savings. Our wishes for Sami's team are long-lasting satisfaction and comfort in their new working conditions.

Solution

The breakdown of the project into four main sectors included:

1. Automation of "Push Pull" systems in manual welding areas.
2. Customized automated ventilation domes for robotic welding areas.
3. Design of grinding areas, taking advantage of the existing filtration equipment.
4. Ensure adequate fresh air flow to workers throughout the building.

The systems are designed to start automatically according to the workload and shut down when the welding process is complete, optimising energy consumption and safety.

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"Our company's constant desire is to maintain the efficiency and innovation of our production processes. Working with the Elister team has been a real eye opener. Their personal approach to our needs and the ventilation systems they have designed specifically for us have significantly improved the quality of our production. Elister's innovations have enabled us to provide a healthier working environment for our employees and, thanks to more efficient air exchange, we have also achieved significant energy savings. We are very pleased with the results and appreciate the professionalism and technical competence of the Elister team, which exceeded our expectations."
Mario Rinaldo
SAMI AS Purchasing and Technical Manager

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