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    Author(s): P. Koch
    Date: 1975
    Source: Forest Products Journal 25(5):48-50
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (854 KB)


    Studs cut from veneer cores and dried by four configurations of roll-feeding mechaniams (for a continuous kiln like a roll-feed veneer dryer) were compared to conventionally stickered studs. Roll-dried studs averaged leas crook (0.14 in.), bow (0.17), and twist (0.16) than those conventionally suckered (0.22, 0.26, and 0.34 inch, respectively). The data seemed to favor the dryer configuration in which studs were roll-fed on edge and guided by double low-shouldered rings, in that crook averaged least with this arrangement. The major disadvantage of all four of the roll-fed configurations tested is the necessity for accurately sizing each green stud in width and thickness before admitting it to the kiln.

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    Koch, P. 1975. Further trials of roll-feed, high-temperature dryers for 8/4 southern pine. Forest Products Journal 25(5):48-50

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