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| CNC Lathes |
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- 15" - 30" Swing CNC Lathes |
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- Big Bore / Hollow Spindle CNC Lathes |
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- CNC T Lathe |
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- Heavy Duty Big Bore CNC Lathes |
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- Oil Country Lathes |
| Conventional Lathes |
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- 1440E
(14”x 40”) |
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- Geared Head Engine Lathes
(13”- 22”x 40”- 120”) |
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- SK & SE Lathes
(22”- 32”x 40”- 200”) |
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- SHA & SHG Series Lathes
(36” – 72” x 80” – 280”)
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- PK Series Lathes
(35”- 80”x 60”- 480”) |
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- PK IV Series Lathes
(75”-100”x 60”- 480”) |
| Machining Centers |
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- Vertical Machining Center VMC Series |
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- Vertical Machining Center KMV Series |
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- 40 Taper Bridge Type Machining Centers |
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- 50 Taper Bridge Type Machining Centers |
| CNC Bed Mills |
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- BTM 40
(40”x 20”x 27” travels, 7.5Hp, Quill Feed) |
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- BTM 50
(50”x 25”x 27” travels, 10Hp, Quill Feed) |
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- RTM 60
(60”x 30”x 28” travels, 15Hp, Rigid Quill) |
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- RTM 100
(98.4”x 35”x 28” travels, 15Ho, Rigid Quill) |
| CNC Knee Milling Machines |
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- WM3VS
(9”x 49”, 3Hp) |
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- 1050
(10”x 50”, 3Hp) |
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- 1050II
(10”x 50”, 3Hp, Box Ways) |
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- 1250II
(12”x 50”, 5Hp, Box Ways) |
| Conventional Knee Milling Machines |
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- WM3VS
(9”x 49”, 3Hp) |
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- 1050
(10”x 50”, 3Hp) |
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- 1050II
(10”x 50”, 3Hp, Box Ways) |
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- 1250II
(12”x 50”, 5Hp, Box Ways) |
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- 5000VS
(11.8”x 59”, 5Hp, Box Ways) |
| Drill Presses |
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- Solberga Gear Drive Drills |
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- Alzmetall Variable Speed Drills |
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- Wolverine Variable Speed Drill |
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- Nider Gear Drive Drill |
| Radial Arm Drill Presses |
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- Willis Radial Arm Drills |
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- Bergonzi Radials |
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- Willis Heavy Duty Radials |
| Grinding Machines |
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- Surface Grinders |
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- Cylindrical Grinders |
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- Heavy Duty Cylindrical Grinders |
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- Bridge Grinding Machines |
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- Delta Grinding Machines |
| Universal Portable Drills |
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- Tug 40S |
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- Tug 60S |
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- Tug 100 |
| Drill Tables |
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- Azmetall Table |
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- Box Tables |
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- Tilt Tables |
| Workholding Equipment |
| Equipment Applications |
| Equipment Catalog |
| Contact Us |
| Financing |
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Phone 419-537-1717
Sales@WillisMachinery.com |
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Click Here to Download
Willis Machinery Brochure
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Willis Machinery & Tools Co. |
Conventional Knee Mills |
Vertical Knee Mills |
“Willis Machinery” offers five different models of vertical knee mills, both conventional and CNC. Our milling machines range from the model WM3VS, 3 horsepower (3HP) variable speed, R-8 spindle milling machine with a 9 inch x 49 inch table, to a massive 5 horsepower (5HP), 40 taper spindle, Series II style machine with a 12 inch x 59 inch table providing 47 inches of x-axis travel. |
| Willis Knee Mills Features |
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Willis conventional knee mill models 1050 and 1050II are dovetail and square (box) way machines respectively. These milling machines are 3 horsepower (3HP), R-8 spindle machines, with an optional 30 taper spindle. The vertical mill model 1250II is a 5 horsepower (5HP), 40 taper spindle machine, with square (box) ways.
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Our milling machine model WM3VS has a rounded ram and column. The knee mill models 1050, 1050II, and 1250II have heavy duty square rams and columns with substantial knees and saddles. These milling machines all maintain “Meehanite” castings with hardened and ground ways as well as “Turcite” coating the adjacent surfaces.
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Willis conventional milling machine models WM3VS through 1250II are optionally available with electronic variable speed, through a “Yaskawa” inverter, known as the “EV” (electronic variable) models. The electronic variable speed option provides these vertical knee mills with up to 5000RPM in spindle speeds. “EV” spindle speeds are infinitely adjustable through a potentiometer.
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The vertical knee mill models WM3VS through 1250II are supplied both as conventional milling machines and CNC milling machines.
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The 1250II head is designed for extra rigidity, with right to left tilt, but without a front to back knuckle.
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Dynamically
balanced pulley with special bronze key attached with 2 screws prevents
premature breakage. |
Our
standard spring type micrometer adjusting nut provides quick and
easy movement for setting spindle depth. |
Our
special power down feed parts are so strong, they can be used over
3,000 RPM spindle speeds. Our 1 piece cluster gear is superior to
the much used 3 piece design. |
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Our design uses splined shafts which are much stronger and more rigid than the keyed shafts. |
Heavy duty knee with box
ways provide the rigidity
needed for superb support
over the full range of travels. |
1050II and 1250II tables
are capable of supporting
loads from 1,100 – 1,500lbs, respectively. |
Optionally available on our Willis knee mills are electrical box packages (option C.) providing a low volt electrical box with transformer, 110 volt outlets, emergency stop button, flood coolant package with switch, and an electronic forward/reverse switch. |
All New Electronic
VARIABLE Speed - "EV" |
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No more changing of worn out pulley bushings and keys
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Extremely low maintenance
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Accurate RPM readings
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Direct drive belts - no belt slippage
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Reduced energy consumption
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SPECIFICATIONS |
WM3VS |
1050 |
1050II |
1250II |
Table Dimensions |
49" x 9" |
50" x 10" |
50" x 10" |
50" x 12" |
Travels -- Longitudinal/
Cross (Manual) |
36" x 13" |
36'' x 16" |
34" x 17" |
32" x 17" |
Vertical Knee Travel |
16" |
16" |
18" |
18" |
T-Slots (3) |
5/8" |
5/8" |
5/8" |
5/8" |
Ram Travel |
17" |
24" |
21" |
24" |
Ram Swivel |
360° |
360° |
360° |
360° |
Quill Diameter |
3-3/8" |
3-3/8" |
3-3/8" |
4-1/8" |
Spindle Motor |
3 HP |
3 HP |
3 HP |
5 HP |
Spindle Speeds (variable) |
60-4200 |
60-4200 |
60-4200 |
60-4200 |
Spindle Taper |
R8 |
R8 or 30 |
R8 or 30 |
40 Taper |
Quill Power Feed Rates
(Inches Per Revolution) |
0.00032"
0.0017"
0.0053" |
0.00032"
0.0017"
0.0053" |
0.00032"
0.0017"
0.0053" |
0.00032"
0.0017"
0.0053" |
Head Tilting Left to
Right (Degrees) |
90-0-90 |
90-0-90 |
90-0-90 |
90-0-90 |
Head Tilting Front
to Back (Degrees) |
45-0-45 |
45-0-45 |
45-0-45 |
Fixed |
Spindle Nose
to Table (Min./Max.) |
3" - 18" |
2" - 18" |
3" - 20" |
2" - 20" |
Center of Spindle to
Column Face (Min./Max.) |
3" - 20" |
3" - 27" |
3" - 24" |
6" - 28" |
Ground Way Surface Width |
2-1/2" |
3-1/2" |
4-1/8" |
4-1/8" |
Saddle Width |
18" |
21" |
21" |
21" |
Knee Width |
12" |
14" |
15-1/2" |
15-1/2" |
Knee Height |
17" |
18" |
20-1/4" |
20-1/4" |
Longitudinal Power Feed |
Optional |
Optional |
Optional |
Optional |
Longitudinal Feed Motor |
Optional |
Optional |
Optional |
Optional |
Table Rising Motor |
Optional |
Optional |
Optional |
Optional |
Coolant Pump |
1/8 HP (opt) |
1/8 HP (opt) |
1/8 HP(opt) |
1/8 HP (opt) |
Net Weight |
2,400 lbs. |
2,800 lbs. |
3,300lbs. |
3,700 lbs. |
Maximum Work
Piece Weight |
750 lbs. |
750 lbs. |
1100 lbs. |
1100 lbs. |
Machine Dimenisions |
61"x64"x82" |
68"x65"x85" |
68"x65"x92" |
68"x65"x92" |
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