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Vedelvärvimine2020

Automatic painting line with 2K+3K system for the woodworking industry

We built a complete painting line for an Estonian wood processor to transition from manual finishing to automated finishing. We installed two profile spray automats with a total of 16 Graco G40 automatic guns, two drying ovens operating in series, a paint kitchen with 11 Graco pumps, and a three-component Graco 3KS paint proportioner. The entire transition from the old system to the new one was carried out in just three weeks, and the line was brought into operation on the specified deadline.

Automatic painting line with 2K+3K system for the woodworking industry

The project challenge

The client already had the line components in place, but they needed to be assembled into a unified, smoothly operating whole. The entire project was made especially complex by the fact that the changeover from the old system to the new one had to take place in just three weeks – the old equipment out, the new one installed and running. It was an extremely intense period.

How we built it

We divided the project into four stages: equipment renovation, project design, ordering the necessary additional components, and installation and commissioning. We installed complete spraying, drying and paint supply units together with ATEX ventilation. The entire oven logic and automation were created anew: operating modes are set for operators as recipes based on the product type and the substance used, in which conveyor unit speeds, oven section temperatures and IR lamp usage can be predefined.

  • Two profile spraying automats, a total of 16 Graco G40 automatic spray guns
  • Two chain conveyor drying ovens operating in series
  • The necessary conveyors and a part turner that rotates the product 180 degrees
  • A paint kitchen with 11 Graco Merkur and Bellow pumps
  • A three-component paint dispenser Graco 3KS for mixing multi-component substances and viscosity control
  • ATEX ventilation units with heat recovery that compensate for the volume of air exhausted from the plant
  • Safety circuits along the entire length of the line, cameras for operators inside the ovens, and LED lights in areas requiring illumination

What we achieved

  • The entire transition from the old system to the new one was carried out in just 3 weeks – the old equipment out, the new one installed and running
  • The line was put into operation by the set deadline and began producing output profitably
  • The client transitioned from manual finishing to automated finishing, which enables production expansion
  • Recipe-based control provides repeatable quality and flexible reconfiguration according to the product
  • The ATEX ventilation with heat recovery compensates for the volume of exhausted air and keeps the working environment safe

Galerii

FAQ

Frequently asked questions

How quickly can the transition from an old painting system to a new one be completed?
In this project we completed the entire transition in just 3 weeks – old equipment out, new one installed and running. The line was operational on schedule and began profitable production.
What equipment does the line include?
The line includes two profile spraying machines with a total of 16 Graco G40 automatic guns, two chain-conveyor drying ovens working in series, a paint kitchen with 11 Graco Merkur and Bellow pumps, and a Graco 3KS three-component paint dosing unit. It also includes conveyors and a part turner that rotates the product 180 degrees.
How is uniform and repeatable painting quality ensured?
Operating modes are set for operators as recipes based on product type and material used, allowing pre-definition of conveyor speeds, oven section temperatures and IR lamp usage. Recipe-based control provides repeatable quality and flexible reconfiguration by product.
How are ventilation and workplace safety handled?
We installed heat-recovery ATEX ventilation units that compensate for the air volume extracted from the factory and keep the working environment safe. Additionally, there are safety chains across the entire line, cameras into the ovens for operators, and LED lights in areas requiring illumination.
Can you build a complete solution from line components I have already acquired?
Yes, the goal of this project was exactly to create a unified, smoothly and profitably operating whole from the client's acquired line components. We divided the work into four stages: equipment renovation, project design, ordering additional components, and installation and commissioning.

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