NATCO MODEL F4B 36 SPINDLE DRILL

Range
Overall height of machine 149"
Height of working surface of base 12"
Size of working surface of standard base 46"L-R x 41.50"F-B
Ht. of working surface of adj. table, min 22"
Ht. of working surface of adj. table, max 32"
Size of working surface of adjustable table 48"L-R x 38"F-B
Distance between "T" slots 22.50"
Distance head flange to base, max 62.75"
Distance head flange to base, min 44.75"
Distance head flange to adjustable table, max 40.75"
Distance head flange to adjustable table, min 12.75"
Center of head drive shaft to face of ways 19.50"
Travel of head (standard stroke) 18"
Size of ways on column 17"W x 4.75" x
1.75"
Spindles
Number and size of spindle drives (sleeves) 36-1.50" dia.
Maximum spindle diameter 1.63" dia.
Spindle speed range 118-2163 RPM
Feed
Standard feed stroke (maximum) 18"
Maximum feeding pressure 16,500 lbs.
Range of feeding rate, IPM 1" to 26"
Range of traverse rate, IPM 187" For. - 224"Rev.
Floor space and weights
Floor space required 66"L-R x 96"F-B
Weight of machine 22,000 lbs.
Approx. weight of crating material, domestic 2,000 lbs.
Approx. weight of crating material, foreign 5,000 lbs.
Cubic contents 1,000 cu.ft.
Drilling capacity
Drilling cast iron (up to 170 Br.) @ 70 FPM
Number and diameter drills 36-.500 dia.
Speed and feed per rev. 529 RPM-.0075
Drilling mild steel @ 50 FPM
Number and diameter drills 36-.375 dia.
Speed and feed per rev. 502 RPM-.0055
Tapping capacity
Tapping cast iron (up to 170 Br.)
@ 35 FPM (75% Thd.) 36-.375x16
Tapping mild steel @ 20 FPM (75% Thd.) 36-.312x18

MOTOR SPECIFICATIONS

20 HP 1800 RPM 3/60/220-440 Volts main drive motor
5 HP 1800 RPM 3/60/220-440 Volts Hydraulic pump motor