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Carpentry

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Lecture in basic carpentry.

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Carpentry

  1. 1. Presented by: Nicolas O. Geotina Polytechnic University of the Philippines
  2. 2. Timber sawed into boards, planks, or other structural members of standard or specified length. Is the art of combiningpieces of lumber to supportweight or to resist pressure. The wood of trees cut and prepared for use as building material.
  3. 3. Board Foot means one square foot of woodof one inch thick. The formula used tofind board foot is: π’•π’‰π’Š 𝒄 π’Œπ’π’†π’”π’” 𝒙 π’˜π’Š 𝒅 𝒕𝒉 𝒙 𝒍 𝒆 π’π’ˆπ’•π’‰ 𝑩𝑢𝑨𝑹𝑫 𝑭𝑢𝑢𝑻 = 𝟏𝟐
  4. 4. 1.The thickness and width of lumber is in inches while the length is in feet of even length.2.Lumber of nominal sizes from 2” x 2” and lower, are no longer computed in board foot, but in linear foot.3.The price of lumber is variable depending upon: a. Length. b. Width. c. Kind of lumber.
  5. 5. Common:A. Testing Tools D. Cutting Tools 1. Square 1. Saws 2. Level 2. Chisel 3. Bevel E. Smooth Facing Tools 4. Plumb Bob 1. PlaneB. Marking Tools F. Boring Tools 1. Lead 1. Twist DrillPencil/Chalk G. Fastening Tools 2. Scriber 1. Hammer 3. Compass 2. WrenchC. Holding Tools 3. Screw Driver 1. Clamp
  6. 6. The union of two or more smooth or evensurfaces admitting two or more pieces of lumber toa closed fitting or junction.Joinery – is the art of joint makingMortise Joint – Mortise is defined as a space inlumber joint hollowed out to receive a tenon orthe like.Tenon Joint – is a projection to be inserted intoa socket or mortise in another lumber to makejoint.Dovetail Joint – is defined as partially housedtapered mortise and tenon joint. The word dovetailis used figuratively.

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