GF Machining Liechti Turbomill 800i
Key Specifications
Max Spindle
Spindle Taper
Tool Capacity
Weight
Rapid Traverse
Spindle Power
How much does the GF Machining Liechti Turbomill 800i cost?
Estimated price range
Our best estimate for a 5-axis machining center in this class — not a quote from GF Machining Solutions. Configuration moves it a long way.
Overview
The Liechti Turbomill 800i is listed as a single-spindle 5-axis simultaneous machine with an 800 mm (31.5 in) work zone and room for parts up to 400 mm (15.7 in) in diameter. Its HSK-A63 spindle reaches 20,000 rpm with 50 kW and 150 Nm, and the magazine holds 40 tools. No one has yet matched this table to a current Liechti or GF Machining Solutions data sheet, so all of it should be confirmed with the supplier.
Read side by side with the Liechti Turbomill 800g, the listings are almost identical: the same work zone, spindle, tool count and machine weight. Two rows differ. The Liechti Turbomill 800g is listed for 450 mm parts against 400 mm here, and its table carries turning limits that this one does not. The tables do not say what the i suffix stands for, which is the first question to put to the supplier.
For someone looking at a used 800i, the practical checks are the part diameter of the workpieces planned and whether any turning is expected. If neither matters, the listed spindle and envelope are the same as the 800g's.
The listed weight is 20,000 kg (44,092 lb). Rapid traverse is 30 m/min and positioning accuracy is given as 0.004 mm. A Siemens Sinumerik 840D sl control, Liechti Turbosoft+ CAM and 80 bar through-spindle coolant complete the listed specification.
Full Specifications
| Parameter | Value |
|---|---|
| Workzone Length | 800 mm (31.5 in) |
| Max Part Diameter | 400 mm (15.7 in) |
| Number of Axes | 5-axis simultaneous |
| Max Spindle Speed | 20,000 RPM |
| Spindle Taper | HSK-A63 |
| Spindle Motor Power | 50 kW (67 hp) |
| Spindle Torque | 150 Nm |
| Spindle Configuration | Single spindle |
| Tool Capacity | 40 |
| Rapid Traverse Rate | 30 m/min (1,181 ipm) |
| Positioning Accuracy | 0.004 mm (4 µm) |
| CAM Software | Liechti Turbosoft+ |
| CNC Control | Siemens Sinumerik 840D sl |
| Coolant System | High-pressure through-spindle (80 bar) |
| Machine Weight | 20,000 kg (44,092 lb) |
Specifications compiled from manufacturer literature and industry references. Not independently verified against a published spec sheet — confirm with the manufacturer or an authorised dealer before making a purchasing decision.
Strengths & Limitations
Strengths
- 800 mm work zone with a single 20,000 rpm HSK-A63 spindle
- 50 kW (67 hp) and 150 Nm, the same rating as the Liechti Turbomill 800g
- 40-tool magazine for one-setup 5-axis work
- Through-spindle coolant listed at 80 bar
Limitations
- Part diameter is listed at 400 mm, smaller than the 450 mm of the Liechti Turbomill 800g
- No turning limits are listed, unlike the Turbomill 800g
- The table is unconfirmed, and nothing in it explains how the i version differs in purpose
- 20,000 kg (44,092 lb) and 30 m/min rapids make it a heavy, unhurried machine for its size
Best For
Frequently Asked Questions
01
On the listed figures, two rows differ. The Liechti Turbomill 800g takes parts up to 450 mm in diameter and lists turning limits of 450 mm by 800 mm. The 800i takes 400 mm and lists no turning. Work zone, spindle, tool count and weight are the same.
02
A single HSK-A63 spindle running to 20,000 rpm, rated 50 kW (67 hp) and 150 Nm. It is slower than the 30,000 rpm spindle of the Liechti g-Mill 850 but carries more torque, 150 Nm against 120 Nm, which suits mixed roughing and finishing.
03
The listed weight is 20,000 kg (44,092 lb), the same as the Turbomill 800g. Plan foundation, crane and delivery route on that figure, and get footprint, power and air from the supplier's installation drawing, as the table does not give them.
04
The listed control is a Siemens Sinumerik 840D sl, with Liechti Turbosoft+ for CAM programming. On a used machine, check the control software version and whether the CAM licence transfers with the sale.
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