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Tongtai VTX Series – Vertical Milling & Tapping Centers
The two-machine Tongtai VTX Series fixed column, moving table CNC milling and tapping centers is engineered for high volume, high precision machining.
X, Y, and Z axis travels are 20″ x 15.7″ x 11.8″ (508 mm x 398 mm x 300 mm) for the VTX-5 machine, and 28″ x 15.7″ x 11.8″ (711 mm x 398 mm x 300 mm) for the larger VTX-7. Heavy Meehanite castings provide a rigid and stable machining platform.
The machines feature roller-type linear slideways to maximize rigidity and control machine motion. Class 3, 25mm (1″)-dia. ballscrews with a double nut pre-loaded design permit a standard rapid traverse rate of 2,362 ipm (60 m/min) for all axes and acceleration of 1.2G. An APS (Absolute Pulse Coder) servo system enables the machine to be started from any position.
VTX machines are equipped with either a 21 tool turret-type or 20 tool arm-type automatic tool changing system. With the 21-station changer, change times are 1.4 seconds tool to tool and 1.9 seconds chip to chip. The 20-tool high-speed arm-type changer reduces tool change times to 0.8 seconds and 1.3 seconds chip to chip.
The machines’ standard 7.5 hp, 12,000 RPM direct drive spindle provides rigid tap speeds up to 6,000 rpm. An optional 24,000 rpm direct drive spindle delivers high cutting speeds for aluminum and magnesium parts as well as graphite. A BBT-30 (Big Plus dual-contact) taper is standard for rigid milling. Through-spindle coolant capability is standard, as is a spindle chiller. The machines’ bed flushing system provides efficient chip removal.
The standard Mitsubishi M80A control features a 10.4″ (265 mm) touch screen with intuitive smart phone type operation and is suitable for a wide range of applications from production to high speed machining applications.
| Item / Model | VTX-5 | VTX-7 |
|---|---|---|
| Travels | ||
| Longitudinal Travel X-Axis | 20″ | 28″ |
| Cross Travel Y-Axis | 15.7″ | 15.7″ |
| Vertical Travel Z-Axis | 11.8″ (13.8″ for VTX-5A) | 11.8″ (13.8″ for VTX-7A) |
| Table to Spindle | 7.9″ min. / 19.7″ max. (21.7″ max. for VTX-5A) | 7.9″ min. / 19.7″ max. (21.7″ max. for VTX-7A) |
| Spindle Center to Column | 16.3″ | |
| Table | ||
| Table Working Surface | 23.6″ x 15.7″ | 33.5″ x 15.7″ |
| Maximum Workload on Table | 550 lbs. | 550 lbs. |
| Table Surface | Ground / T-slotted | Ground / T-slotted |
| No. of T-slots x Width | 3 x 18 mm | 3 x 18 mm |
| Table Height from Floor | 33.5″ | 33.5″ |
| Spindle | ||
| Spindle Motor | 7.5 HP (5 HP opt.) | 7.5 HP (5 HP opt.) |
| Spindle Taper | BBT-30 (Dual Contact) | BBT-30 (Dual Contact) |
| RPM | 0 – 12,000 (0 – 24,000 opt.) | 0 – 12,000 (0 – 24,000 opt.) |
| Spindle Drive | Direct Drive | Direct Drive |
| ATC – Turret Type (std. for VTX-5) | ||
| Number of Tools | 21 | 21 |
| Tool Selection | Bi-directional Fixed | Bi-directional Fixed |
| Tool Change Time | 1.4 sec. Tool to Tool | 1.4 sec. Tool to Tool |
| Chip to Chip Time | 1.9 sec. Chip to Chip | 1.9 sec. Chip to Chip |
| Magazine Index Time Adjacent Station | 0.1 seconds | 0.1 seconds |
| Magazine Index Time 180° | 0.8 seconds | 0.8 seconds |
| Max Tool Diameter | 3.15″ with Adjacent Tools | 3.15″ with Adjacent Tools |
| Max Tool Weight | 6.6 lbs. | 6.6 lbs. |
| Tool Type | BBT-30 | BBT-30 |
| Max Tool Length | 7.9″ | 7.9″ |
| ATC – Arm Type (std. for VTX-5A) | ||
| Number of Tools | 20 Tools (+1 in the Spindle) | 20 Tools (+1 in the Spindle) |
| Tool Selection | Bi-directional Random | Bi-directional Random |
| Tool Change Time | .8 sec Tool to Tool | .8 sec Tool to Tool |
| Chip to Chip Time | 1.3 sec Chip to Chip | 1.3 sec Chip to Chip |
| Max Tool Diameter | 2.67″ with Adjacent Tools | 2.67″ with Adjacent Tools |
| Max Tool Weight | 6.6 lbs. | 6.6 lbs. |
| Tool Type | BT-30 | BT-30 |
| Max Tool Length | 7.9″ | 7.9″ |
| Ballscrews and Axis Motors | ||
| X – Y – Z Ballscrew Diameter | 25mm (1″) x 16 mm Pitch | 25mm (1″) x 16 mm Pitch |
| Ballscrew Type | Class 3 Double Nut Pre-loaded | Class 3 Double Nut Pre-loaded |
| Ballscrew Mounting Type | Double Anchored | Double Anchored |
| X – Y – Z Servo Motor HP | 2.0 – 3.0 – 3.0 HP | 2.0 – 3.0 – 3.0 HP |
| Servo Motor Mounting | Direct Coupled | Direct Coupled |
| Feeds | ||
| Rapid Traverse Rate X, Y, Z | 2,362 IPM | 2,362 IPM |
| Acceleration | 1.2G | 1.2G |
| Cutting Feed Rate | 0.01 – 787 IPM | 0.01 – 787 IPM |
| Positioning Accuracy | ± .0003″ Full Stroke | ± .0003″ Full Stroke |
| Repeatability | ± .0002″ | ± .0002″ |
| General | ||
| Coolant Tank Capacity | 30 Gallons | 30 Gallons |
| Floor Space | 87″ x 63″ x 98″ | 87″ x 79″ x 98″ |
| Machine Power Source | 208/220 Volts, 3 Phase 40 Amps* | 208/220 Volts, 3 Phase 40 Amps* |
| Air Source | 90 PSI | 90 PSI |
| Machine Weight | 6,270 lbs. | 6,570 lbs. |
* Consult AMT or Local Distributor for exact power requirements when ordering
Flood Coolant System with washdown hose
Air Blast for spindle
Auto Lubrication with alarm
Full Machine Enclosure
Halogen Work Lamp
Chip Flushing System
Preparation for Coolant Through the Spindle (pump system not included)
Rigid Tapping
3 Color Operation Light
Spindle Cooler
Marposs VOP optical wireless part probe installed with training
Marposs VOTS optical wireless tool setter installed with training
Marposs VOP part probe + VOTS tool setter PACKAGE installed with training
Marposs WRP radio wireless part probe installed with training
Marposs WOTS radio wireless tool setter installed with training
Marposs WRP radio part probe + WOTS radio tool setter PACKAGE installed with training
Marposs ML75P laser tool setter installed with training
Auto Tool Presetter (Renishaw TS-27 Wired)
Auto Tool Presetter (Renishaw OTS Wireless)
Renishaw NC4+ F145/85 3.35” laser tool setter (hardware only kit)
Renishaw NC4+ F145/85 3.35” laser tool setter installed with 2 days of training
Renishaw OMP-40 part probe for 2-D surfaces (hardware only kit)
Renishaw OMP-40 part probe installed with 2 days training
Renishaw OMP-400 part probe for 3-D surfaces (hardware only kit)
Renishaw OMP-400 part probe installed with 2 days training
Mitsubishi AC Drive for 4th Axis and 4th Axis interface cable set
Mitsubishi AC Drive for 5th Axis and 5th Axis interface cable set
Ganro DR-120 4.7” rotary table with servo motor (4th axis interface req’d)
Ganro DR-170 6.7”rotary table with servo motor (4th axis interface req’d)
Ganro DR-200 8” rotary table with servo motor (4th axis interface req’d)
Mitsubishi M830S control in place of M80A control
440 / 460 / 480 Volt operation
High pressure coolant thru spindle 300 PSI
High pressure coolant thru spindle 1000 PSI
24,000 RPM, 5HP direct drive spindle
Automatic power off
Chip shower system
Column riser block 4” or 6”
Column riser block 8”, 10”, or 12”
Automatic doors
Additional 8 sets of M codes for fixture interfacing
Additional HYD unit and plumbing to supply fixture hydraulics
Caterpillar type chip conveyor
Oil Skimmer
Donaldson Torit MiniMist 1200 centrifugal mist collector
Graphite milling package with dust collection system, lid on top of machine, complete and installed
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| Item / Model | VTX-5 | VTX-7 |
|---|---|---|
| Travels | ||
| Longitudinal Travel X-Axis | 20″ | 28″ |
| Cross Travel Y-Axis | 15.7″ | 15.7″ |
| Vertical Travel Z-Axis | 11.8″ (13.8″ for VTX-5A) | 11.8″ (13.8″ for VTX-7A) |
| Table to Spindle | 7.9″ min. / 19.7″ max. (21.7″ max. for VTX-5A) | 7.9″ min. / 19.7″ max. (21.7″ max. for VTX-7A) |
| Spindle Center to Column | 16.3″ | |
| Table | ||
| Table Working Surface | 23.6″ x 15.7″ | 33.5″ x 15.7″ |
| Maximum Workload on Table | 550 lbs. | 550 lbs. |
| Table Surface | Ground / T-slotted | Ground / T-slotted |
| No. of T-slots x Width | 3 x 18 mm | 3 x 18 mm |
| Table Height from Floor | 33.5″ | 33.5″ |
| Spindle | ||
| Spindle Motor | 7.5 HP (5 HP opt.) | 7.5 HP (5 HP opt.) |
| Spindle Taper | BBT-30 (Dual Contact) | BBT-30 (Dual Contact) |
| RPM | 0 – 12,000 (0 – 24,000 opt.) | 0 – 12,000 (0 – 24,000 opt.) |
| Spindle Drive | Direct Drive | Direct Drive |
| ATC – Turret Type (std. for VTX-5) | ||
| Number of Tools | 21 | 21 |
| Tool Selection | Bi-directional Fixed | Bi-directional Fixed |
| Tool Change Time | 1.4 sec. Tool to Tool | 1.4 sec. Tool to Tool |
| Chip to Chip Time | 1.9 sec. Chip to Chip | 1.9 sec. Chip to Chip |
| Magazine Index Time Adjacent Station | 0.1 seconds | 0.1 seconds |
| Magazine Index Time 180° | 0.8 seconds | 0.8 seconds |
| Max Tool Diameter | 3.15″ with Adjacent Tools | 3.15″ with Adjacent Tools |
| Max Tool Weight | 6.6 lbs. | 6.6 lbs. |
| Tool Type | BBT-30 | BBT-30 |
| Max Tool Length | 7.9″ | 7.9″ |
| ATC – Arm Type (std. for VTX-5A) | ||
| Number of Tools | 20 Tools (+1 in the Spindle) | 20 Tools (+1 in the Spindle) |
| Tool Selection | Bi-directional Random | Bi-directional Random |
| Tool Change Time | .8 sec Tool to Tool | .8 sec Tool to Tool |
| Chip to Chip Time | 1.3 sec Chip to Chip | 1.3 sec Chip to Chip |
| Max Tool Diameter | 2.67″ with Adjacent Tools | 2.67″ with Adjacent Tools |
| Max Tool Weight | 6.6 lbs. | 6.6 lbs. |
| Tool Type | BT-30 | BT-30 |
| Max Tool Length | 7.9″ | 7.9″ |
| Ballscrews and Axis Motors | ||
| X – Y – Z Ballscrew Diameter | 25mm (1″) x 16 mm Pitch | 25mm (1″) x 16 mm Pitch |
| Ballscrew Type | Class 3 Double Nut Pre-loaded | Class 3 Double Nut Pre-loaded |
| Ballscrew Mounting Type | Double Anchored | Double Anchored |
| X – Y – Z Servo Motor HP | 2.0 – 3.0 – 3.0 HP | 2.0 – 3.0 – 3.0 HP |
| Servo Motor Mounting | Direct Coupled | Direct Coupled |
| Feeds | ||
| Rapid Traverse Rate X, Y, Z | 2,362 IPM | 2,362 IPM |
| Acceleration | 1.2G | 1.2G |
| Cutting Feed Rate | 0.01 – 787 IPM | 0.01 – 787 IPM |
| Positioning Accuracy | ± .0003″ Full Stroke | ± .0003″ Full Stroke |
| Repeatability | ± .0002″ | ± .0002″ |
| General | ||
| Coolant Tank Capacity | 30 Gallons | 30 Gallons |
| Floor Space | 87″ x 63″ x 98″ | 87″ x 79″ x 98″ |
| Machine Power Source | 208/220 Volts, 3 Phase 40 Amps* | 208/220 Volts, 3 Phase 40 Amps* |
| Air Source | 90 PSI | 90 PSI |
| Machine Weight | 6,270 lbs. | 6,570 lbs. |
* Consult AMT or Local Distributor for exact power requirements when ordering
Flood Coolant System with washdown hose
Air Blast for spindle
Auto Lubrication with alarm
Full Machine Enclosure
Halogen Work Lamp
Chip Flushing System
Preparation for Coolant Through the Spindle (pump system not included)
Rigid Tapping
3 Color Operation Light
Spindle Cooler
Marposs VOP optical wireless part probe installed with training
Marposs VOTS optical wireless tool setter installed with training
Marposs VOP part probe + VOTS tool setter PACKAGE installed with training
Marposs WRP radio wireless part probe installed with training
Marposs WOTS radio wireless tool setter installed with training
Marposs WRP radio part probe + WOTS radio tool setter PACKAGE installed with training
Marposs ML75P laser tool setter installed with training
Auto Tool Presetter (Renishaw TS-27 Wired)
Auto Tool Presetter (Renishaw OTS Wireless)
Renishaw NC4+ F145/85 3.35” laser tool setter (hardware only kit)
Renishaw NC4+ F145/85 3.35” laser tool setter installed with 2 days of training
Renishaw OMP-40 part probe for 2-D surfaces (hardware only kit)
Renishaw OMP-40 part probe installed with 2 days training
Renishaw OMP-400 part probe for 3-D surfaces (hardware only kit)
Renishaw OMP-400 part probe installed with 2 days training
Mitsubishi AC Drive for 4th Axis and 4th Axis interface cable set
Mitsubishi AC Drive for 5th Axis and 5th Axis interface cable set
Ganro DR-120 4.7” rotary table with servo motor (4th axis interface req’d)
Ganro DR-170 6.7”rotary table with servo motor (4th axis interface req’d)
Ganro DR-200 8” rotary table with servo motor (4th axis interface req’d)
Mitsubishi M830S control in place of M80A control
440 / 460 / 480 Volt operation
High pressure coolant thru spindle 300 PSI
High pressure coolant thru spindle 1000 PSI
24,000 RPM, 5HP direct drive spindle
Automatic power off
Chip shower system
Column riser block 4” or 6”
Column riser block 8”, 10”, or 12”
Automatic doors
Additional 8 sets of M codes for fixture interfacing
Additional HYD unit and plumbing to supply fixture hydraulics
Caterpillar type chip conveyor
Oil Skimmer
Donaldson Torit MiniMist 1200 centrifugal mist collector
Graphite milling package with dust collection system, lid on top of machine, complete and installed