Drilling Machines - Willis Radial Drills


30" arm
1--1/2" drilling capacity
16" x 22" x 13" H box table
2 HP spindle drive motor
19" horizontal drill head travel
25" vertical arm travel
88-1500 RPM's
6 spindle speeds
Spindle feeds: 3 steps (0.002"~0.006")/rev
45" arm
1--3/4" drilling capacity
20" x 25" x 17" H box table
5 HP spindle drive motor
32" horizontal drill head travel
27" vertical arm travel
44-1500 RPM's
12 spindle speeds
Spindle feeds: 3 steps (0.002"~0.006")/rev



51" arm
2" drilling capacity
20" x 25" x 17" H box table
7.5 HP spindle drive motor
36" horizontal drill head travel
27" vertical arm travel
44-1500 RPM's
12 spindle speeds
Hydraulic clamping for drill head and arm rotation
Spindle feeds: 3 steps (0.004"~0.024")/rev

MODEL / SPECIFICATIONS
RD-750 RD-1100 RD-1300H
Capacity
 Drilling
Steel
 1-1/2" 1-3/4" 2"
Cast Iron
 2" 2-1/8" 2-3/8"
Tapping
Steel
 3/4" 1" 1-1/4"
Cast Iron
 1" 1-1/4" 1-1/2"
Boring
Steel
 3" 3-3/8" 3-1/2"
Cast Iron
 4" 4-3/4" 5"
Spindle Stroke/Spindle Taper
 7-7/8"/MT4 9-7/8"/MT4 9-7/8"/MT5
Spindle Speeds (RPM)
 88-1500 (6) 44-1500 (12) 44-1500 (12)
Spindle Feeds (inch/rev)
 0.002"~0.006" 3 steps 0.002"~0.006" 3 steps 0.004"~0.0024" 6steps
Column Diameter
 8-1/4" 11-7/8" 11-7/8"
Max. Distance, spindle Center to Column
 30-1/2" 45" 50"
Min. Distance, Spindle Center to Column
 11-3/8" 13" 13"
Horizontal Travel of Headstock
 19-1/8" 32" 37"
Max. Distance, Base to Spindle
 43-3/4" 48-1/2" 48-1/2"
Horizontal Travel of Headstock
 19-1/8" 32" 37"
M/C Over Height of Column
 72-7/8" 85" 85"
M/C Height From Floor (Max)
 85-5/8" 101-3/4" 101-3/4"
Dimension of Base (LxMxK) inch
50-3/8"x25-3/16"x5-7/8" 70-27/32"x31-1/2"x6-11/16" 70-27/32"x31-1/2"x6-11/16"
Effective Area of Table (RxSxT)
 16" x 22" x 13" H 20" x 25" x 17" H 20" x 25" x 17" H
Main Drive Motot
 2 HP 5 HP 7.5 HP
Arm Elevation Motor
 1 HP 2 HP 2 HP
Motot for Hydraulic Clamping Device
     1 HP
Coolant Pump
 1/8 HP 1/8 HP 1/8 HP
Weight (approx)
 1200 kgs 2100 kgs 2150 kgs
Measurement (LxWxH)
 56"x32"x81" 79"x39"x88" 90"x39"x93"