NEW SHARP STF-44 CNC BIG BORE LATHE
- This is a heavy duty precision CNC lathe that can function at full horsepower during low and high speeds.
- The large spindle bore and wide bedways are ideal for big parts and large mold work pieces.
- This machine is available with option 9", 12" or 15" spindle bore, 44"- 59.8" swing over bed and bed width of 32"
- The hardened and ground bedways are made from high quality Meehanite castings.
- The spindle drive has 4 steps to deliver full power at all speeds.
- The bedways and ballscrews are centrally lubricated with low level alarm.
- The headstock is equipped with a heat exchanger to disperse heat and maintain spindle accuracy.
- A full length chip conveyor and enclosed splash guard are all standard accessories.
CNC Flat Bed Lathe |
STF-44 |
STF-50 |
STF-55 |
STF-60 |
Capacity |
Max Swing Over Bed |
44.09" (1120) |
50.4" (1280) |
55.91" (1420) |
59.84" (1520) |
Swing Over Cross Slide |
27.56" (700) |
35.43" (900) |
39.37" (1000) |
43.31" (1100) |
Distance Between Centers |
40" (1016) |
Bed |
Width of Bed |
31.88" (810) |
Length of Bed |
135.83" (3450) |
Bed Way |
2 V, 2 Flat Ways |
Headstock |
Spindle Bore |
5.98" (152mm) (Opt: 9", 12", 15") |
Spindle Taper |
MT #6 |
Spindle Nose |
A2-11 (Opt. A2-15, A2-20) |
Range of speeds (44.1") |
4-420 rpm (may vary by chuck size or motor HP) |
Range of speeds (>44.1") |
4-350 rpm (may vary by chuck size or motor HP) |
No. of Spindle Speeds |
4 steps of gear, command by M code, hydraulic driven |
Travel |
X-Axis Travel |
19.7" (based on 4 way hyd turret installed on carriage) |
Z-Axis Travel |
39.37" |
Diameter of X-Axis Ball Screw |
40 mm |
Diameter of Z-Axis Ball Screw |
63 mm |
Feed |
X, Z-axis rapid feed rate |
196.85"/min (5000 mm/min) |
X,Z-axis cutting feed rate |
118.11"/min (3000 mm/min) |
OP-Turret |
Turret Type |
4 tools (H4) 8 tools (V8), 12 tools (V12), VDI (coolant access) |
Tool Shank/Numbers |
1.23" x 1.23", 1.57" x 1.57" (40mm x 40mm) |
Tool Holder Bore Diameter |
1.97" |
Motor |
Spindle Motor |
30 HP |
X-axis Servo Motor |
4 HP (Fanuc AC servo) |
Y-axis Servo Motor |
5.5 HP (Fanuc AC servo) |
10 HP (Fanuc AC servo) |
Hydraulic Pump |
2 HP (1.5 kw) |
Coolant Pump |
1.7 HP (1.275 kw) |
Control |
Control |
Fanuc Oi Control |
Standard Accessories
- Spindle 4-steps speed auto change
- XZ-axes auto lubrication system
- XZ-axes with Turcite-B
- XZ-axes C3 ball screw
- Hydraulic 4-way tool turret H4
- Rear Chain type Chip conveyor
- Coolant system
- Fully enclosed splash guard
- Heat exchanger
- Electron hand wheel
- Alarm lamp for working and cutting finish
- Work lamp
- Dead center
- Level pads
- Tools and tool box
- Operation manual
- RS-232 interface
- Standard packing pallet
Optional Accessories
- Transformer 55KVA
- Transformer 60KVA
- 3-jaw scroll strong chuck (direct mounted) A2-11-20" (500mm)
- 3-jaw scroll strong chuck (direct mounted) A2-11/15-25" (630mm)
- Hydraulic 3-jaw wedge type through-hole power chuck 18"
- Hydraulic 3-jaw wedge non through-hole power chuck 18"
- 4-jaw independent chuck 32" (810mm, A2-11)
- 4-jaw independent chuck 40" (1000mm, A2-11)
- 4-jaw independent chuck 50" (1250mm, A2-11)
- Face plate with 4-jaw, A2-11-32"
- Face plate with 4-jaw, A2-11-40" (grip range 150-900mm)
- Face plate with 4-jaw A2-11-50" (grip range 150-1150mm)
- Steady rest 16" (bearing type, grip range 60mm-400mm)
- Steady rest 24" (bearing type, grip range 380mm-600mm)
- Follow rest (grip range 30-150mm)
- Boring attachment for bar diagram 120mm
- Spindle oil chiller 12000BTU
- Hydraulic turret V-8 tools - boring toolholder 50mm-3 pcs, facing toolholder 32x32-1 pcs, 40, 32, 20, 16, 12, 10mm to fit boring toolholder
- Hydraulic turret V-12 tools - boring toolholder 50mm-3 pcs, facing toolholder 32x32-1 pcs, 40, 32, 20, 16, 12, 10mm to fit boring toolholder
- Air conditioner
- Extra charge for spindle bore changed to 9" (230mm) fit to spindle nose A2-15
- Extra charge for spindle motor α30 (30KW/40HP) instead of α22
- Extra charge for spindle bore changed to 15" (380mm) fit to spindle nose A2-15
- Extra charge for spindle motor α40 (37KW) instead of α22 (22KW/30HP)
- Dual chuck system for spindle bore 9" (230mm/A2-15), Rear chuck adaptor for spindle bore 9"/A2-15, 3 jaw scroll chuck A2-15-25" (bore 230mm, direct mounted)
- 4-jaw independent chuck A2-15-25" (bore 230mm, direct mounted)
- 4-jaw independent chuck A2-15-24" (bore 230mm, direct mounted)
- Dual chuck system for spindle bore 15" (380mm/A2-20), Rear Chuck Adaptor for spindle bore 15"/A2-20
- 3-jaw scroll chuck A2-20-32" (OD: 750mm, ID: 380mm, direct mount)
- 4-jaw independent chuck A2-20-32" (ID: 380mm)
- 4-jaw independent chuck A2-20-36" (ID: 380mm)
- 4-jaw independent chuck A2-20-40" (ID: 380mm)
- Manual guide I for 8.4" LCD monitor
- Manual guide I for 10.4" LCD monitor
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