Document Ddd68OE61jx19vG9rKD9p7XjN

Safety Engineering Tables TABLE 47-K (Concluded) Moulders, Matchers, and Sizers Max size cfm per head Up to 4 in 550 for side 550 for top 800 for bottom Over 4 to 6 in 660 for side 8ra for top 800 for bottom Over 6 to 6 in 800 tor side 1.100 for top 800 for bottom Over 8 in 800 for side 1 400 tor top 1 400 (or bottom NOTE Where profiler is used, provide additional volume not less than that specified for top head Sash Stickers One 4 in branch on each head cfm per head 350 Wood Shapers Horsepower per spindle cfm per spindle Up to 1 350 Over 1 to 3 550 Over 3 to 5 Over 5 to 7Va BOO 1 100 Over 7V 1.400 NOTE Where one continuous hood includes two or more spindles the air volume required for the hood may be based on a volume per spindle of 250 cfm less than specified above but in no case (ess than 350 cfm per spindle Tenoners Top and bottom tenon heads Cope and dado heads Cutoff saws up to 12 in diam Over 12 in diam saw dm 550 for each 550 for each 350 550 Jointers Knife width Up to 6 in Over 6 to 12 in Over 12 to 20 in Over 20 in cfm 350 550 600 1 100 Single Planers Working width Up to 20 in max. Over 20 to 26 in Over 26 to 32 in Over 32 to 38 in Over 38 in cfm 800 1 100 1400 1800 2200 Double Planers Working width Up to 20 in max Over 20 to 26 in Over 26 to 32 in Over 32 to 38 in Over 38 in cfm per head 600 for upper 550 for lower 1 100 for upper 800 for lower 1 400 for each 1 800 for upper 1 400 for lower 2 200 for upper 1 400 for lower Automatic Lathes cfm Per foot of cutting length 350 NOTE Branch pipes shall be located to provide effective air re- moval over full face of hood Pulley Pockets 550 cfm Pulley Stiles 550 cfm Hogs Tons of refuse per hour Cfm Up to 1 1600 Over 1 50 per pound of refuse conveyed NOTE Use branch and mam velocity not less than 4 500 cfm Separate exhaust system should be provided but additional sep arator is not required if separator used for other woodworking equipment is adequate Floor Sweeps NOTE Air volume of branches to floor sweeps with covers which are kept closed when not in use need not be included in computing total air volume Portable Sanders NOTE Conform to requirements for portable gnnders Machines Not Specifically Listed in This Table Air volume shall be at least 350 cfm and hood shall be so ar ranged that an inward flow of air into the ventilating system is maintained during the operation of the machine with adequate velocity to control air contaminants From Exhaust Systems Industrial Code Rule 18 (April 1961) New i ork State Department of Labor 1602