• Title/Summary/Keyword: Painting reservoir

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Evaluation of The Holes Reducing Buoyancy During Painting of A Truck Cab (TRUCK CAB 전착 도장 시 부력 방지용 HOLE 영향 평가)

  • 임정환
    • Transactions of the Korean Society of Automotive Engineers
    • /
    • v.12 no.4
    • /
    • pp.42-49
    • /
    • 2004
  • When a truck cab is conveyed at a constant speed by a hanger and immersed into the painting reservoir, it may fall off from the hanger by buoyancy. In order to reduce the buoyancy, on the bottom of a cab panel are holes placed, which allow paint to flow into the inside of a cab. In this study, a differential equation is derived which can be solved numerically by using 4th-Order Runge-Kutta method to calculate transient behavior of the buoyant force with sizes and locations of the holes given. The solution is utilized to optimally determine sizes and locations of the holes.