. Veneer recovery from second-growth Douglas-fir. Veneers and veneering; Douglas fir. the green core diameter as dropped from the lathe. Residual volume includes spur, roundup, clipper, and dryer losses, and veneer shrinkage and is determined by subtraction. RESULTS The results of the study are con- tained primarily in recovery tables. The interpretation of these tables is highly dependent on pricing and production assump- tions. The data are presented to allow the user to apply price and production input to the recovery data. The No. 3 Peeler and Special Peeler block data have been combined f
. Veneer recovery from second-growth Douglas-fir. Veneers and veneering; Douglas fir. the green core diameter as dropped from the lathe. Residual volume includes spur, roundup, clipper, and dryer losses, and veneer shrinkage and is determined by subtraction. RESULTS The results of the study are con- tained primarily in recovery tables. The interpretation of these tables is highly dependent on pricing and production assump- tions. The data are presented to allow the user to apply price and production input to the recovery data. The No. 3 Peeler and Special Peeler block data have been combined for statisti- cal analysis because of the limited number and small diameter range of these grades in the sample. Other than diameter, the grading specifications are identical. Block recovery will be discussed, followed by the woods-length logs. 1/6-inch peel (52 percent). Linear re- gression analyses were run by block grade to test whether the sources of the differ- ence were block grade and diameter or mill processes. Appendix 2 contains the percent by veneer grade, item, and block grade. Veneer grade recovery by block grade and diameter. â The recovery of veneer grades A through C varied by block diameter (table 3) and block grade. For the combined No. 3 Peeler and Special Peeler block grades there was no difference in veneer grade recovery between the two peeling thicknesses and no change related to block diameter. Veneer recovery was consistently 82- percent grades A through C regardless of size or clipping pattern. For blocks graded No. 2 or No. 3 Sawmill, there was a significant!/ correlation of veneer grade recovery with block diameter (fig. 2). For blocks peeled l/10-inch, BLOCK RECOVERY AND PEELING THICKNESS Veneer grade. -- Veneer was peeled in two thicknesses, 1/10-inch and 1/6-inch, during the study. A different clipping pattern was used for each. The two groups had similar block grade and diameter dis- tributions (appendix 1). The 1/10-inch veneer was clipped to ob
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectdouglasfir
