CUTTING TOOLS 



17 



this purpose. The handles holdmg tlie saw blade may 

 be turned in any direction with reference to the frame. 



8. The Plane. The plane reduces our rough lumber 

 to planed, or dressed, stock. The cutting part is a 

 thin, wide chisel called the plane 

 iron. 



Fig. 20 shows the position of 

 the plane iron in operation. As- 

 sume the iron to be moving in 

 the direction of the arrow on a 

 piece of wood. The sliarj) point 

 would enter the board and, should 

 the grain be unfavorable, start 

 a splitting action, as shown at a. 



We wish to smooth the wood 

 instead of rouQ-hins; it, and must 



in some way stop the splitting. This is accomplished 

 by placing a cap iron on the plane iron, as shown at h. 



The cap bends and breaks 



Fig. 20. The Plane Iron in 

 Actiun 



the shaving before the 

 splitting action has a 

 chance to begin, and gives 

 the spiral form so familiar 

 in wood shavings. 

 The cap is firmly fastened to the plane iron hj a 

 stout screw, and this whole combination is fastened in 



Fig. 21. Plane Iron, Cap, and Set 

 Screw 



