The You Ji CTV-900 Vertical Turning Center is a compact, 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 designed for turning of medium size workpieces.
The X and Z axis linear roller guideways are completely enclosed and a forced lubrication system assures high precision (box ways optional). The high speed linear way system enables rapid traverse rates of 787 inches per minute. The precision class 3 ballscrews are driven directly by the servo motors, eliminating belts or gears for high precision. The optional Y axis moving column traverses on large hardened and ground box ways. The optional Y axis provides a total of 11.8” of Y axis travel.
The spindle construction is a heavy duty design incorporating high precision double roller bearings and 45 degree angular contact thrust bearings. The spindle also is protected from coolant contamination. The NN type spindle bearings are used to endure high centrifugal loads and heavy spindle loads. The 30 HP high torque Fanuc “P” series double wound spindle motor coupled with the 2 speed ZF gear box provides more torque at a lower RPM than a Fanuc 50HP single with a 2 speed gear box and delivers power for heavy duty machining and high speed for fine finishing. The spindle produces nearly 3000 ft.lbs. of cutting torque for heavy cutting.
The machine is equipped with a box type machining center type headstock that provides excellent strength and rigidity. The standard arm type ATC stores 24 tools with the BT-50 interface. The arm type ATC reduces tool change time to only 6 seconds and increases tool capacity utilizing the rigid 50 taper connection. The optional contouring C-axis and live spindle provide simultaneous milling capability. When coupled with the optional Y axis, the machine becomes a true 3 axis machining center. The live spindle features a solid locking 3 piece coupling for turning operations.
Chip control is excellent as chips and coolant wash directly into the standard chip conveyor. An optional chip wash system forces any chips from the machining area into the conveyor. This versatile VTL is designed for stand alone applications or is easily integrated into an automated production line.
Capacities
Maximum swing 35.4"
Maximum turning diameter 31.5"
Maximum cross travel (X axis) -1.97" ; + 21.06"
Maximum longitudinal travel (Z axis) 31.5"
Maximum off center travel (optional Y axis) +/-5.9” (11.8” total)
Maximum cutting height 23.6”
Distance spindle nose to floor 47.2”
Spindle
Spindle Motor (Fanuc P Series) 30 HP Double Wound (More torque at lower RPM than a 50HP single wound motor)
Spindle Drive 2 speed ZF planetary gearbox
Spindle nose A2-11
Spindle RPM 0-1500 (1200 RPM max with 32” chuck)
Spindle bearing inner diameter 7.87”
Maximum spindle weight load 3,960 lbs.
Hydraulic chuck 24” 3-Jaw (32” opt.)
ATC (standard)
Tool positions 24
ATC type Swing arm
Tool mounting BT-50
O.D. tool shank size 1.25”
I.D. tool shank size 2.0”
Tool change time 6 seconds
Ballscrews and axis motors
Z axis ballscrew diameter 50mm (1.96”) x 10mm pitch
X axis ballscrew diameter 50mm (1.96”) x 10mm pitch
Y axis ballscrew diameter (option) 50mm (1.96”) x 10mm pitch
Ballscrew type Class 3 double nut
Ballscrew mounting type Pre-loaded, double anchored
X-Z-Y servo motor HP X 5.2 HP, Z 5.2HP, Y 5.2 HP
C axis and Live Tools (option)
Spindle motor 10HP
Spindle RPM 3500
Tool shank type BT-50
C axis indexing .001 degree
Feeds
Rapid Traverse Rate X,Z,Y 472, 472, 472 IPM
Cutting feed rate 0.01 - 236 IPM
Positioning accuracy +/- .0003" full stroke
Repeatability +/- .0002"
General
Coolant tank capacity 80 gallons
Coolant pump motor 1.33 HP and .75 HP
Machine Weight 41,200 LBS
Floor Space 120" X 163" x 164"
Machine Power Source 208/220V, 3Phase, 150 Amps**
Hydraulic pump motor 3HP
Standard Machine Accessories
Spindle orientation
3 Jaw 24” hydraulic chuck with cylinder
1 set of soft jaws
1 set of hard jaws
Coolant system with coolant through the tool holders
Oil skimmer
Tool kit
Halogen lamp
1 set operation manual
24 position 50 taper ATC
Chip conveyor with chip bucket
Heat exchanger for electrical cabinet
Automatic lubrication system
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