Publication: Binek araçlardaki arka koltuk kilidi kapanma eforunun düşürülmesi
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İlter, Fatih
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Bursa Uludağ Üniversitesi
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Günümüzde binek araçların büyük bir çoğunluğunda arka koltuklarının katlanabilmesi ve yeniden kapanabilmesi mekanik veya elektrikli koltuk kilit mekanizması ile gerçekleşmektedir. Artan rekabet şartları ve teknolojinin de ilerlemesi ile araçlarda kullanılan mekanik komponentler yerlerini elektrik ile çalışan komponentlere bırakmıştır. Mekanik koltuk kilitlerinde elektrik motoru kullanılmadığından kapanma eforları büyük önem arz etmez, ancak elektrikli koltuk kilitlerinde kapanma eforu maliyet açısından önemli bir faktördür. Monte Carlo simülasyonu kullanılarak durdurucu komponentinin sertlik değerinin koltuk kilidi kapanma kuvveti üzerinde etkisinin araştırılması ve optimizasyonu yapılmıştır. Farklı sertlik değerlerine sahip durdurucu parçası ile yapılan basma testleri sonuçları, durdurucu parçasının sertlik değerinin üretim toleransları ve hedeflenen kapanma kuvveti ile birlikte değerlendirilerek Monte Carlo simülasyonları gerçekleştirilmiştir. Üretim hata oranı en düşük olacak şekilde ve müşteri gereksinimleri göz önüne alınarak durdurucu komponentinin sertliği düşürülmüş ve buna bağlı olarak elektrikli koltuk kilidi kapanma kuvveti de elektrikli olmayan koltuk kilitlerine kıyasla 12% düşürülmüştür.
In today's passenger vehicles, most rear seats can be folded and re-closed with a mechanical or electric seat locking mechanism. With increasing competition and advancements in technology, mechanical components in vehicles have been replaced by electrically operated components. In mechanical seat locks, the use of an electric motor is not required, so the closing efforts are not of great importance. However, in electric seat locks, the closing effort is a significant factor in terms of cost. In this study, the effect of the stiffness value of the stopper component on the closing force of the seat lock was investigated and optimized using Monte Carlo simulation. Compression test results with stopper parts of different stiffness values were evaluated in conjunction with production tolerances and the targeted closing force, and Monte Carlo simulations were performed. The stiffness of the stopper component was reduced, considering the lowest production error rate and customer requirements, and as a result, the closing force of the electric seat lock was reduced by 12% compared to non-electric seat locks.
In today's passenger vehicles, most rear seats can be folded and re-closed with a mechanical or electric seat locking mechanism. With increasing competition and advancements in technology, mechanical components in vehicles have been replaced by electrically operated components. In mechanical seat locks, the use of an electric motor is not required, so the closing efforts are not of great importance. However, in electric seat locks, the closing effort is a significant factor in terms of cost. In this study, the effect of the stiffness value of the stopper component on the closing force of the seat lock was investigated and optimized using Monte Carlo simulation. Compression test results with stopper parts of different stiffness values were evaluated in conjunction with production tolerances and the targeted closing force, and Monte Carlo simulations were performed. The stiffness of the stopper component was reduced, considering the lowest production error rate and customer requirements, and as a result, the closing force of the electric seat lock was reduced by 12% compared to non-electric seat locks.
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Keywords
Koltuk kilidi, Kapanma kuvveti, Monte Carlo simülasyonu, EPDM (Ethylene Propylene Diene Monomer), Seat latch, Closing effort, Monte Carlo Simulation