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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Mean surface roughness parameter (S a) of black spruce prepared by peripheral straight-edge knife planing at four feed speeds

From: Evaluation of two surfacing methods on black spruce wood in relation to gluing performance

Wavelength (mm)

Feed speed (m/min)

S a (μm)

1.5

7

6.9a (0.1)bAc

1.9

10

7.3 (0.1)B

3.1

16

7.8 (0.1)C

6.5

33

11.6 (0.5)D

  1. aMean of 120 replicates (four rake angles pooled)
  2. bStandard error of the mean in parentheses
  3. cMeans followed by the same letter are not significantly different at 5 % probability level
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