Common Marking and measuring tools
Marking and measuring tools are used in woodwork for marking, measuring and checking the work at various stages
Common measuring tools
•Wooden folding rule
•Steel rule
Wooden folding rule:
A wooden folding rule is graduated both in centimeters and inches. The most commonly used is the two feet, 4-fold wood rule which is shown in Fig.
It is used for taking linear measurements, to an accuracy of 1 mm or 1/16th of an inch.
Steel rule :
It is graduated in centimeters/inches with their subdivisions. The reading accuracy is 0.5 mm.
Common marking tools:-
Common marking tools They are
• Straight Edge
• Marking Gauge
• Try Square
Straight edge:
It is made of steel with perfect straight and parallel edges. It is normally used for drawing straight lines on a job. It can also be used for testing flatness of a surface and straightness of an edge.
Marking gauge:
It is a marking tool, consisting of
(1) stock,
(2) stem ,
(3) spur and
(4) thumb (locking) screw as shown in Fig. The stock can be adjusted over the stem to set the required distance between the spur and the face of the stock. The thumb screw is tightened to retain the measurement. The spur, a pointed steel, inscribes lines on the surface of the wood. It is used for marking lines parallel to the face or edges.
Try square :
It is used for checking marking lines at right
angles. It is also used for checking right angles and
flatness of surfaces.
The parts of a try square are shown in Fig. It is available
in different sizes, from 150 mm to 800 mm.