Valon Kone robotized its production with PEMA
Finnish log debarking pioneer, Valon Kone Ltd., upgraded its production machinery and manufacturing methods with PEMA robotized welding station.
Strong Background in Tree Debarking
Valon Kone Ltd., a global manufacturing company of rotor debarking machinery since 1940's, has grown over the past decades from a small machine workshop to the world’s leading supplier in its field. The Finnish manufacturer operates in modern facilities with a total area of 6 500 m 2 in Lohja, Finland.
- Valon Kone h as quite long experience in robotized welding. We had a robotized welding station by another supplier for a quite long time, but during the past years we have had some challenges due to its long service life, says Valon Kone's production manager, Jukka Jurvanen.
History behind the investment is long and planning of the previous welding station started already about fifteen years ago. It was supposed to be replaced in 2008- 2009 but due to prevailing recession at the time and another fairly large investments, the plans of replacing were postponed. Originally the planned solution was somewhat less complicated, but as the as the planning went further, the station grew in size and versatility. Today, the investment fits well in the company's current strategy of increasing its in- house welding. The other alternative would've been outsourcing, which the company tried to avoid.
- When it comes to subcontracting and single part production, the logistic chains are often way too complicated. Our aim is to take more heavy fabrication back to our own premises because we have heavy welding facilities here in any case. That’s why we decided to invest in a solution which allows us to weld heavy work pieces in addition to parts fabricated in high quantities, says Jurvanen.
Adding In- House Heavy Fabrication with PEMA's Robotized Welding Station
The objectives of the investment were to increase productivity, gain better quality of welded parts and raise utilization rate of own fabrication capacity. Based on simulations carried out with a selection of different work pieces, the robotized station provided a distinct increase in productivity when compared to manual welding.
- Now as the welding stati on is assembled and commissioned, and our personnel have been trained, we think that we made the right decision. We became convinced of Pemamek’s strong competence during the process, tells Jurvanen.
The simulated results have now been verified in factory tests. Plans are to use the new welding station in two shifts and double the earlier robotized welding hours to about thousand hours per year. The solution, designed and implemented in collaboration with Valon Kone and Pemamek, will be able to weld anything from smaller high- quantity parts up to large machinery frames in an effective and flexible way by maximizing the company's in- house fabrication.
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