Quicktech i-Twin Series – 7-Axis Twin Spindle Mill-Turn Centers with B-Axis
The QuickTECH i-42 Twin and i-60 Twin are compact, high-precision, high-production mill-turn centers built on rigid Meehanite castings. With 7 axes, dual synchronized spindles, a shared 4-axis (X/Y/Z/B) gang-type vertical tool post, and 30 total tools, these machines deliver complete done-in-one machining for complex bar work in medical, aerospace, automotive, and electronics where accuracy, surface finish, and throughput matter most. Competes head-to-head with Haas, Doosan, DMG Mori, and Mazak.
Key Features
- Twin spindles for done-in-one:
- Main: 15 HP, 6,000 RPM, 42 mm (1.65″) bar on i-42 / 60 mm (2.36″) on i-60.
- Sub: 7.5 HP, 6,000 RPM, 30 mm bar; synchronized part transfer; full C-axis on both.
- Tooling system built for speed: 4-axis gang tooling (X/Y/Z + 360° B) shared between spindles; 30 tools total (9 OD, 9 ID, 12 live); 2 HP live-tool motor; near-zero tool-change time. Rigid tapping standard.
- Motion platform: 35 mm roller ways, 32 mm ballscrews, high rapids; repeatability ±0.00015″; positioning ±0.0002″.
- Controls: Mitsubishi M80A (10.4″ LCD, 3D simulation, Ethernet; 3-yr CNC warranty); optional Fanuc OiT-F Plus (15″ LCD, dual-channel, Manual Guidance i).
- Production essentials included: collet chucks (DIN-173E-42B / DIN-185E-60B), parts catcher, parts & chip conveyors, 400 PSI coolant, bar feeder interface, auto lube.
Specifications
| Item / Model |
i-42 Twin
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|
i-60 Twin
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|
|---|---|---|
|
Main Spindle Capacity |
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|
Max Bar Working Capacity |
1.65″ |
2.36″ |
|
Max Turning Length |
9.8″ |
9.8″ |
|
Spindle Speed Range (std.) |
6,000 RPM |
4,000 RPM |
|
Spindle Motor |
15 HP |
15 HP |
|
C-Axis Increment |
.001° |
.001° |
|
Sub-Spindle Capacity |
||
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Max Bar Working Capacity |
1.65″ |
1.65″ |
|
Max Turning Length |
3.94″ |
3.94″ |
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Spindle Speed Range |
6,000 RPM |
6,000 RPM |
|
Spindle Motor |
7.5 HP Integral Motor |
7.5 HP Integral Motor |
|
C-Axis Increment |
.001° |
.001° |
|
Travel and Feed |
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Rapid Traverse Rate |
1,181″/min. |
1,181″/min. |
|
Tooling System |
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Tooling Type |
Gang Tool / Servo Y-Axis / KM-25 Quick Change |
Gang Tool / Servo Y-Axis / KM-25 Quick Change |
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Number of Turning Tools |
6 O.D. (5 + 1 Cut Off) & 5 I.D. |
6 O.D. (5 + 1 Cut Off) & 5 I.D. |
|
Square Shank Size |
.75″ (20mm) |
.75″ (20mm) |
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Boring Bar Capacity |
.75″ (ER-20) |
.75″ (ER-20) |
|
B-Axis |
360° |
360° |
|
B-Axis Index Time |
.3 Seconds 90° / 6 Seconds 360° |
.3 Seconds 90° / 6 Seconds 360° |
|
Number of Live Tools |
12 |
12 |
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Live Tool Spindle Motor |
2 HP |
2 HP |
|
Live Tool Spindle Speed |
4,000 |
4,000 |
|
Live Tool Shank |
ER-20 Collet |
ER-20 Collet |
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General |
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CNC Control |
Mitsubishi M80A |
Mitsubishi M80A |
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Machine Dimensions with Chip Conveyor |
138″ x 71″ x 75″ |
138″ x 71″ x 75″ |
|
Machine Weight |
8,360 lbs. |
8,360 lbs. |


















