Chiron 08 Series Mill-Turn
Image: chiron-group.com, Chiron
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
How much does the Chiron 08 Series Mill-Turn cost?
Estimated price range
Our best estimate for a mill-turn / multi-tasking machine in this class — not a quote from Chiron. Configuration moves it a long way.
Overview
The Chiron 08 Series Mill-Turn is a small-envelope mill-turn center for bar work: 210 × 200 × 360 mm of X, Y and Z travel, a bar capacity of 32, 42 or 65 mm, and one milling spindle that swivels from -10° to +100°. The milling spindle options run from 30,000 to 54,000 rpm with 2 to 19.5 Nm of torque, on HSK-E32 or HSK-A40. Those are the figures of a machine for small tools and small parts.
On the turning side the main spindle comes in three ratings, as many as there are bar sizes: 8,000 rpm with 14.3 Nm, 6,500 rpm with 15 Nm, or 4,500 rpm with 90 Nm. Chiron's sheet gives the values in that order without labelling which bar size each belongs to, so confirm the pairing for the stock you run. The step to 90 Nm on the slowest spindle is the one to look at if the work includes heavier turning. A counter spindle rated 6,000 rpm and 8 Nm takes the part over for the cut-off side.
Tools sit in a chain magazine of 40 to 96 tools, with a 2.5 s chip-to-chip time. The tool limits are small to match the spindle: 45 mm in diameter with neighbouring pockets occupied, 100 mm with them empty, 200 mm long and 1.2 kg. A 1.2 kg limit rules out heavy cutter bodies, which fits a spindle whose strongest option delivers 19.5 Nm.
Rapid traverse is 75 m/min on all three linear axes, with acceleration of 9 m/s² in X, 13 m/s² in Y and 14 m/s² in Z. On strokes this short the acceleration figures matter more than the rapid rate, because the axes rarely have room to reach full speed.
Full Specifications
| Parameter | Value |
|---|---|
| Tool Changer | Chain magazine |
| X-Axis Travel | 210 mm |
| Y-Axis Travel | 200 mm |
| Z-Axis Travel | 360 mm |
| Bar Capacity | 32 | 42 | 65 mm |
| Chip to Chip Time | 2.5 s |
| Spindle Count | 1 |
| Milling Spindle Swivel Range | -10° | +100° |
| Max Spindle Speed | 30,000 – 54,000 rpm |
| Spindle Torque | 2 – 19.5 Nm |
| Spindle Taper | HSK-E32 / HSK-A40 |
| Tool Capacity | 40 – 96 |
| Max Tool Diameter (full magazine) | 45 mm |
| Max Tool Diameter (adjacent pockets empty) | 100 mm |
| Max Tool Length | 200 mm |
| Max Tool Weight | 1.2 kg |
| Rapid Traverse Rate | 75 – 75 – 75 m/min (X – Y – Z) |
| Axis Acceleration | 9 – 13 – 14 m/s² (X – Y – Z) |
| Main Turning Spindle Speed Max | 8,000 | 6,500 | 4,500 rpm |
| Main Turning Spindle Torque Max | 14.3 | 15 | 90 Nm |
| Counter Turning Spindle Speed Max | 6,000 rpm |
| Counter Turning Spindle Torque Max | 8 Nm |
Specifications sourced from chiron-group.com — verified 2026-10-03
Strengths & Limitations
Strengths
- Milling spindle options from 30,000 to 54,000 rpm for small tools, on HSK-E32 or HSK-A40
- Bar capacity of 32, 42 or 65 mm, with main turning spindles up to 8,000 rpm
- Counter spindle (6,000 rpm, 8 Nm) for machining the cut-off side in the same cycle
- Milling spindle swivels from -10° to +100°
- Chain magazine with 40 to 96 tools and a 2.5 s chip-to-chip time
- 75 m/min rapids on X, Y and Z, with up to 14 m/s² of acceleration
Limitations
- Milling torque tops out at 19.5 Nm, so this is a small-tool machine and not one for heavy stock removal
- Tool weight is limited to 1.2 kg and tool length to 200 mm
- Counter spindle torque is 8 Nm, a fraction of the 90 Nm of the strongest main spindle
- Travels of 210 × 200 × 360 mm confine it to small parts
Best For
Frequently Asked Questions
01
Chiron lists three bar capacities: 32, 42 and 65 mm. The main turning spindle has three matching ratings, 8,000, 6,500 and 4,500 rpm, with maximum torque of 14.3, 15 and 90 Nm. Confirm with Chiron which spindle rating goes with which bar size.
02
The data sheet gives 30,000 to 54,000 rpm across the spindle options, with torque from 2 to 19.5 Nm. The tool interface is HSK-E32 or HSK-A40. The sheet does not state which speed goes with which torque or interface, so specify the spindle from the tools you plan to run.
03
Maximum tool diameter is 45 mm with adjacent pockets occupied and 100 mm with adjacent pockets empty. Maximum tool length is 200 mm and maximum tool weight 1.2 kg. The chain magazine holds 40 to 96 tools.
04
Yes. The counter turning spindle is rated 6,000 rpm and 8 Nm maximum torque, so the part can be transferred and machined on the cut-off side. Its torque is far below that of the main spindle, so heavy turning belongs on the main side.
05
The 715 MT is a much larger mill-turn, with 1,550 × 210 × 480 mm travels, a bar capacity of 65 or 102 mm and an HSK-T63 milling spindle at 20,000 rpm and 100 Nm. The 08 Series Mill-Turn has 210 × 200 × 360 mm travels, a bar capacity of 32, 42 or 65 mm and milling spindles of 30,000 to 54,000 rpm with at most 19.5 Nm.
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