Wood Products Manufacturing

LECTURE PRESENTATION

Reading Assignment

Recommended Reading

USFS Wood Handbook-Glossary

Classification of Trees

Hardwoods

  • Hardwood  Structure
    • Ring Porous
    • Diffuse Porous
  • Hardwood Specifications

Softwoods

  • Softwood Structure
  • Softwood Specifications

Gross Features of Wood

Outer Bark

Inner Bark

Cambium

Growth Rings

Early Wood

Late Wood

Wood Rays

Sapwood

Heartwood

Pith

Compression Wood

Grain

Texture

Figure

Color

Luster

Odor and Taste

Properties of Wood

Shrinkage/ Expansion

Anisotropic

Wood Deterioration and Degradation

Lumber

Barking

Plain Sawing

Quarter Sawing

 

Softwood Lumber Classification and Grading

  • Use
  • Manufacturing
  • Size

Types of Warp

  • Bow
  • Crook
  • Twist
  • Cup

Plywood and Veneer

Veneer Cutting

  • Rotary
  • Flat Slicing
  • Quarter Slicing
  • Half-round Slicing
  • Rift cut

Veneer Grades Used in Softwood Plywood

Classification of Species

Basic Grade Trademarks

Hardwood Plywood

Species Categories

Construction

Veneer Matches

  • Book
  • Slip
  • Random
  • Diamond
  • Reverse Diamond
  • V
  • Herringbone

Veneer Grades

Wood Composition Board

Modified Wood

Wood Building Products

Secondary Wood Products

 

 

 

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