3548 



Chapter 28 



! — I SCREEN 



in 



HAMMER 

 MILL 



~3 



DRY 



STORAGE a 



METERING 



(FACE) 



DRY 



LJ STORAGE a 

 ^ METERING 

 (CORE) 



y< 



DENSITY 

 GAUGE 



DENSITY 

 GAUGE 



BLENDER 

 (CORE) 



BLENDER 

 (FACE) 



w 



"ElP 



BLENDED 

 MIXTURE 



FORMING 

 HEAD 



FORMING 

 HEAD 



SP 



FORMING 

 LINE 



Figure 28-29. — Flow plan for manufacture of thin particleboard for overlaying and 

 printing. The single-opening hot presss measures 8 by 48 feet. When operated 220 

 days/year, three-shift basis, annual output is 125 million square feet, Vs-inch basis; if 

 operated 330 days/year, output is estimated at 165 million square feet. (Drawing 

 after Springate and Roubicek 1981a.) 



Key statistics for the proposed operation are as follows for three-shift oper- 

 ation 250 and 350 days/year, '/s-inch basis (capital investment is $15,000,000): 



250 days/year 330 days/year 



—Dollars/] ,000 square feet- 

 Operating cost 44.96 42.41 



Selling price, net 80.00 80.00 



Profit (before income tax) 35.04 37.59 



Return on sales for the 250- and 330-day years are estimated at 43.8 and 47.0 

 percent, respectively; returns on investment are projected at 29.2 and 41.3 

 percent. 



