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SPECIFICATIONS

*Consult AMT

ITEM / MODEL KT-360D
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KT-420
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KT-420A
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KT-420DH TWIN SPINDLE
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KT-420L
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KT-420AL
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Travels
Longitudinal Travel X-Axis 20.5″ 22″ 22″ 22″ 27.6″ 27.6″
Cross Travel Y-Axis 14.17″ 16.5″ 16.5″ 16.54″ 16.5″ 16.5″
Vertical Travel Z-Axis 11.8″ 11.8″ 16.9″ 16.93″ 11.8″ 16.9″
U axis Travel (option) +/- .079” (2mm)
Table to Spindle 7.9″ min / 19.7″ max 7.9″ min / 19.7″ max 7.9″ min / 24.8″ max 7.87″ min / 24.8″ max 6.7″ min/18.5″ max 6.7″ min/23.6″ max
Spindle Center to Column 18.7″ 18.9″ 18.9″ 18.3″ 18.9″ 18.9″
Centerline Distance Between Spindles 19.7″ (500mm)
Table
Table Working Surface 25.6″ x 17.7″ x 2 26″ x 15.7″ 26″ x 15.7″ 45.3″ x 17.7″ 31.5″ x 15.7″ 31.5″ x 15.7″
Maximum Workload on Table 440 lbs. x 2 550 lbs. 550 lbs. 880 lbs. 660 lbs. 660 lbs.
Table Surface Ground / T-slotted Ground / T-slotted Ground / T-slotted Ground / T-slotted Ground / T-slotted Ground / T-slotted
No. of T-slots x Width 3 x 25mm 3 x 14mm 3 x 14mm 4 x 18mm 3 x 14mm 3 x 14mm
Table Height from Floor 34.8″ 34″ 34″ 34.8″ 34″ 34″
Spindle
Spindle Motor 28HP peak / 6.5 HP continuous 28HP peak / 6.5 HP continuous 28HP peak / 6.5 HP continuous 28HP peak / 6.5 HP continuous x 2 28HP peak / 6.5 HP continuous 28HP peak / 6.5 HP continuous
Spindle Taper BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact
RPM 0-15000 RPM 0-10000 RPM 0-10000 RPM 0-15000 RPM 0-15000 RPM 0-15000 RPM
Spindle Drive Direct Drive Direct Drive Direct Drive Direct Drive Direct Drive Direct Drive
Optional Spindle (High Torque 120Nm / 88.5 ft/lbs)
Spindle Motor 28HP peak / 11.3 HP continuous 28HP peak / 11.3 HP continuous 28HP peak / 11.3 HP continuous 28HP peak / 11.3 HP continuous x 2 28HP peak / 11.3 HP continuous 28HP peak / 11.3 HP continuous
Spindle Taper BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact
RPM 0-10000 RPM 0-10000 RPM 0-10000 RPM 0-10000 RPM 0-10000 RPM 0-10000 RPM
Spindle Drive Direct Drive Direct Drive Direct Drive Direct Drive Direct Drive Direct Drive
Optional Spindle (High Speed)
Spindle Motor 35HP peak / 5 HP continuous 35HP peak / 5 HP continuous 35HP peak / 5 HP continuous 35HP peak / 5 HP continuous x 2 35HP peak / 5 HP continuous 35HP peak / 5 HP continuous
Spindle Taper BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact BBT-30 dual contact
RPM 0-24000 RPM 0-24000 RPM 0-24000 RPM 0-24000 RPM 0-24000 RPM 0-24000 RPM
Spindle Drive Direct Drive Direct Drive Direct Drive Direct Drive Direct Drive Direct Drive
ATC- Turret Type
Number of Tools 21 Tools 21 Tools 21 Tools
Tool Selection Bi-Directional-Fixed Bi-Directional-Fixed Bi-Directional-Fixed
Tool Change Time 1.07 sec tool to tool 1.07 sec tool to tool 1.07 sec tool to tool
Chip to Chip Time 1.36 sec chip to chip 1.36 sec chip to chip 1.36 sec chip to chip
Magazine Index Time Adjacent Station 0.1 seconds 0.1 seconds 0.1 seconds
Magazine Index Time 180 deg. (use symbol) 1.8 seconds 1.8 seconds 1.8 seconds
Max Tool Diameter 3.94″ 3.94″ 3.94″
Max Tool Weight 6.6 lbs. 6.6 lbs. 6.6 lbs.
Tool Type BBT-30 BBT-30 BBT-30
Max Tool Length 7.9″ 7.9″ 7.9″
ATC – Arm Type
Number of Tools 20 tools (+1 in the spindle) (26+1 opt.) 20 tools (+1 in the spindle) (26 opt.) x 2 20 tools (+1 in the spindle) (26 opt.) x 2
Tool Selection Bi-Directional-Random Bi-Directional-Random Bi-Directional-Random
Tool Change Time 1.2 sec tool to tool 1.2 sec tool to tool 1.2 sec tool to tool
Chip to Chip Time 1.8 sec chip to chip 1.8 sec chip to chip 1.8 sec chip to chip
Max Tool Diameter 3.15″ (2.52” with 26 tools) 3.15″ (2.52” with 26 tools) 3.15″ (2.52” with 26 tools)
Max Tool Weight 6.6 lbs. 6.6 lbs. 6.6 lbs.
Tool Type BT-30 BT-30 BT-30
Max Tool Length 7.9″ 7.9″ 7.9″
Ballscrews and Axis Motors
X-Y-Z Ballscrew Diameter 36mm (1.42”) x 16mm pitch X 36mm (1.42”) x 16mm pitch, Y 28mm (1.1”) x 16mm, Z 32mm (1.26”) x 20mm X 36mm (1.42”) x 16mm pitch, Y 28mm (1.1”) x 16mm, Z 32mm (1.26”) x 20mm 36mm (1.42”) x 16mm pitch X 36mm (1.42”) x 16mm pitch, Y 28mm (1.1”) x 16mm, Z 32mm (1.26”) x 20mm X 36mm (1.42”) x 16mm pitch, Y 28mm (1.1”) x 16mm, Z 32mm (1.26”) x 20mm
Z axis Ballscrew Diameter 32mm (1.26”) x 20mm pitch 32mm (1.26”) x 20mm pitch
Ballscrew Type Class 3 double nut pre-loaded Class 3 double nut pre-loaded Class 3 double nut pre-loaded Class 3 double nut pre-loaded Class 3 double nut pre-loaded Class 3 double nut pre-loaded
Ballscrew Mounting Type Double anchored Double anchored Double anchored Double anchored Double anchored Double anchored
X-Y-Z Servo Motor HP 4.0 – 4.0 – 3.0HP 2.0 – 2.0 – 3.0HP 2.0 – 2.0 – 3.0HP 4.0 – 4.0 – 3.0HP x 2 2.0 – 2.0 – 3.0HP 2.0 – 2.0 – 3.0HP
Servo Motor Mounting Direct coupled Direct coupled Direct coupled Direct coupled Direct coupled Direct coupled
APC Unit
Type Rotary (0-180 degrees)
Change Time 4.5 seconds
Rotation Method Hydraulic Cylinder
Clamping Method Hydraulic hirth coupling / non-lift type
Feeds
Rapid Traverse Rate X, Y, Z 1969, 1969, 2362 IPM 2362 IPM 2362 IPM 1890, 1890, 2200 IPM 1969, 1969, 2362 IPM 1969, 1969, 2362 IPM
Acceleration 1.2G 1.0G 1.0G 1.0G 1.2G 1.2G
Cutting Feed Rate 0.01 – 787 IPM 0.01 – 787 IPM 0.01 – 787 IPM 0.01 – 787 IPM 0.01 – 787 IPM 0.01 – 787 IPM
Positioning Accuracy +/- .0002″ full stroke +/- .0002″ full stroke +/- .0002″ full stroke +/- .0002″ full stroke +/- .0002″ full stroke +/- .0002″ full stroke
Repeatability +/- .00015″ +/- .00015″ +/- .00015″ +/- .00015″ +/- .00015″ +/- .00015″
General
Coolant Tank Capacity 60 gallons 60 gallons 60 gallons 60 gallons 60 gallons 60 gallons
Floor Space 69″ x 126″ x 107″ 69″ x 99″ x 105″ 69″ x 99″ x 105″ 90″ x 102″ x 104″ 81″ x 99″ x 105″ 81″ x 99″ x 105″
Machine Power Source* 208/220 Volts, 3 Phase 40 Amps* 208/220 Volts, 3 Phase 40 Amps* 208/220 Volts, 3 Phase 40 Amps* 208/220 Volts, 3 Phase 60 Amps* 208/220 Volts, 3 Phase 40 Amps* 208/220 Volts, 3 Phase 40 Amps*
Air Source 90 PSI 90 PSI 90 PSI 90 PSI 90 PSI 90 PSI
Machine Weight 9,460 LBS 5,060 lbs. 5,060 lbs. 12,100 lbs. 5,720 lbs. 5,720 lbs.

In Stock and Ready for Immediate Delivery

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