| Description | TK-770N | TK-840N | |||
| Capacity | |||||
| Max. swing over bed, mm | 770 (30.3”) | 840 (33") | |||
| Center height, mm | 385 (15.2") | 420 (16.5") | |||
| Max. swing over gap, mm | 980 (38.5"),Opt | 1020 (40.2"),Opt | |||
| Max. swing over cross slide, mm | 500 (19.7") | 570 (22.4") | |||
| Distance between centers, mm | 1600 / 2100 / 3100 / 4100 / 5100 / 6100 (63",83",122",162",201"240") | ||||
| Main Spindle | |||||
| Spindle nose | A2-11 | A2-11 | A2-15 | ||
| Spindle bore, mm | 105 (4") | 153 (6") | 105 (4") | 153 (6") | 230 (9") |
| Spindle speeds, rpm (18 steps) | 23-1293 | 13-690 | 23-1293 | 13-690 | 5-440 |
| Carriage | |||||
| Cross slide travel | 450 (17.7") | ||||
| Compound rest travel | 250 (9.8") | ||||
| Tailstock | |||||
| Tailstock spindle dia. | 105 (4.13") | ||||
| Taistock spindle travel | 220 (8.7") | ||||
| Taistock spindle taper | MT 5 | ||||
| Bed | |||||
| Bed width | 450 (17.7") | ||||
| Tailstock | |||||
| Lead screw | 2 TPI or 12mm / pitch | ||||
| Metric pitch threads | 0.8 - 14 mm / pitch (65 kinds) | ||||
| Inch threads | 2 - 28TPI (36 kinds) | ||||
| Module pitch threads | 0.5 - 7M (22 kinds) | ||||
| DP threads | 4 - 56TPI (36 kinds) | ||||
| Feeding Range | |||||
| Longitudinal feeds, mm/rev. | 0.05 - 0.70 | ||||
| Cross feeds, mm/rev. | 0.025 - 0.35 | ||||
*The Specifications are subject to change without prior notice.
TK840N x 2100
Inverter type spindle control: (option)
- 3 steps variable spindle speed.
- Auto gear change with simple switch selection.
- Digital display for spindle speed.
- Quick-stop braking controlled directly by inverter.
- Constant Surface Speed control for face turning.
Spindle bore & speed with inverter (rpm)
| Spindle Bore | 2.2" | 3.3" | 4" | 6" | 9" |
| TK450 | 33-3100 | - | - | - | - |
| TK540 | - | 27-2250 | 20-1500 | - | - |
| TK630 | - | 27-2250 | 20-1500 | 10-800 | - |
| TK770N | - | - | 20-1500 | 10-800 | - |
| TK840N | - | - | 20-1500 | 10-800 | 6-450 |
Standard Accessories
- Center sleeve
- Dead Center
- Main drive motor
- Coolant system
- Work light
- Tool box with tools
- Manual
Options
- 3-jaw chuck
- 4-jaw chuck
- Face plate
- Steady rest
- Follow rest
- Micro bed stop
- Turret type 5 position bed stop
- Taper attachment
- Quick change tool post
- Work light
- CE mark
- Rotating center
- Splash guard
- Magnetic brake
- Gap bed
- DRO
