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Chapter 28 



SHAPING-LATHE 

 HEADRIG 



Figure 28-20. — (Top) Shaping lathe for logs 8 to 9 feet in length arranged to cut octa- 

 gons yielding side lumber and 4.5- by 7-inch central cants for dowelled assembly (six 

 steel dowels — no glue) into 7- by 9-inch crossties. (Bottom) 1 -inch-long, 3/16-inch- 

 thick oak pulp chips cut on the shaping-lathe headrig. (Drawing and photo from P. 

 Koch.) 



