SAWING OF TIMBER

Sawing of timber

Sawing of timber is a timber that is cut from logs into different shapes and sizes. Sawing of timber is generally cut into varying rectangular widths and lengths, but may also be wedge-shaped. Common  Sawing of timber products include solid timber beams and more rectangular timber sections.

  • The process of giving the required shape and size to the timber section is termed as conversion sawing of timber.
  • By sawing, timber can be converted into transferable parts.
  • Various methods of Sawing of timber are…

i. ORDINARY/ FLAT/ SLAB SAWING:-

  • parallel cuts made throughout the length of the log i.e. tangential to the annual rings.
  • Easiest and economical method.
  • Causing twisting and warping of planks.

ii. QUARTER SAWING:-

  • When applied to wood not having distinct medullary rays, this method produces very fine wood.
  • In this method saw cuts are made at right angles to each other.
  • The tendency to cup i.e. to curve in a transverse direction.

iii. TANGENTIAL SAWING:-

  • In this saw, cuts are made tangential to annual rings that meet each other at right angles.
  • It is suitable for those sections which have distinct annual rings and indistinct medullary rays.
  • Not suitable for flooring.
  • The section observed to have the least strength.

iv. RADIAL/ RIFT SAWING OF TIMBER:-

  • Saw cuts are in a radial direction parallel to medullary rays in this method.
  • Wastage of timber is observed to have maximum in this method.
  • Section obtained is having maximum strength and induces decorative effect too.

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