The You Ji VTL-2000ATC Vertical Turning Center is a large, high precision, heavy duty machine. The rigid vertical column and base are meehanite castings, heavily ribbed for reduced thermal distortion and vibration dampening. It is built for heavy duty turning of large size workpieces.
The X and Z axes are a box way design with Turcite B for rigidity. The ways are completely enclosed and a forced lubrication system assures high precision. This rigid system enables heavy duty machining and high precision. The Z axis is a large square ram (9” x 9” / 9.8” for ATC-I and II models) made from cast steel that is extremely rigid even when extended the full 37.4” (47.2” for ATC-I and 55.1” for ATC-II). The precision class 3 ballscrews are driven directly by the servo motors, eliminating belts or gears for high precision. The cross rail is moveable on box ways and is hydraulically clamped for rigidity and precision. The cross rail is moveable in 200 mm increments and automatically latches against fixed stops. The cross rail is positioned by dual lead screws on each side of the massive column.
The spindle construction is a heavy duty design incorporating a high precision 36” diameter O.D. / 27” diameter I.D. Timken Cross Roller bearing and NN type roller bearings to endure high axial and radial loads. The spindle also is protected from coolant contamination. Tremendous table torque is developed by the 100 HP Fanuc high torque spindle motor coupled with the 2 speed ZF gear box. The 2 speed ZF gearbox transmits power through another intermediate gearbox and the table is then driven by a class 1 ring and pinion gear which provides a further gear reduction and torque multiplication. Spindle / table torque is an amazing 41,133 ft./lbs., providing the power for heavy duty machining. The massive spindle can support a table load of 22,000 lbs.
The ATC stores 12 tools with a #50 taper tool attachment. This umbrella style ATC provides shortest route tool selection and is completely shielded from chips and coolant. Chip control is excellent as chips and coolant wash directly into the standard chip conveyor. Table guarding is standard and a full machine enclosure is available as an option.
Capacities
Table diameter 79”
Maximum swing 98.4"
Standard turning diameter 90.5"
Maximum turning diameter 98.4"
Maximum cross travel (X axis) -39.4"; +53.1" (+68.8” for ATC pos.)
Maximum longitudinal travel (Z axis standard machine) 37.4"
Maximum longitudinal travel (Z axis 2000ATC-I) 47.2"
Maximum longitudinal travel (Z axis 2000ATC-II) 55.1"
Maximum cross rail travel (VTL-2000ATC) 45.2”
Maximum cross rail travel (VTL-2000ATC-I) 61”
Maximum cross rail travel (VTL-2000ATC-II) 61”
Ram distance to table with ram retracted (max / min) (VTL-2000) 82.6” / 37.4”
Ram distance to table with ram retracted (max / min) (VTL-2000-I) 98.4” / 37.4”
Ram distance to table with ram retracted (max / min) (VTL-2000-II) 98.4” / 37.4”
Spindle
Spindle Motor 100 HP
Spindle load 22,000 lbs.
Spindle RPM 2-200
Spindle bearing diameter 36” O.D. / 27" I.D.
Spindle torque 41,143 ft./lbs.
Manual chuck 79” 4-Jaw Independent
ATC
Tool positions 12
ATC type Umbrella / Electric
Tool mounting #50 taper
O.D. tool shank size1.25”
I.D. tool shank size2.5”
Tool change time30 Seconds
Maximum single tool weight110 lbs.
Maximum magazine capacity800 lbs.
Ballscrews and axis motors
Z axis ballscrew diameter 63mm (2.48”) x 10 pitch
X axis ballscrew diameter 63mm (2.48”) x 10 pitch
Ballscrew type Class 3 double nut
Ballscrew mounting type Pre-loaded, double anchored
X-Z servo motor HPX 9 HP, Z 9 HP
Feeds
Rapid Traverse Rate X,Z 394, 394 IPM
Cutting feed rate 0.01 - 197 IPM
Positioning accuracy +/- .0003" full stroke
Repeatability +/- .0002"
C axis and Live Tools (option)
Spindle motor 20HP
Drive System 2 speed gearbox
Spindle RPM 2-2400 RPM
Tool shank type BT-50
C axis (contouring) .001 degree
General
Coolant tank capacity 230 gallons
Coolant pump motor 1.33 HP and .75 HP
Machine Weight 105,000 LBS
Floor Space 161" X 238" x 230"
Machine Power Source 208/220V, 3Phase, 400 Amps**
Hydraulic pump motor 3HP
Standard Machine Accessories
4 Jaw 79” face plate with 4 independent boring mill jaws
Square guard enclosure with chip wash
Coolant system with coolant through the ram
Tool kit
Halogen lamp
1 set operation manual
3 color operation light
Spindle orientation
Chip conveyor with chip bucket
Heat exchanger for electrical cabinet
Automatic lubrication system
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