USED REFURBISHED STAR SR 20 R III SWINGING HEADSTOCK LATHE
USED REFURBISHED STAR SR 20 R III SWINGING HEADSTOCK LATHE
Location:Cologno Monzese, Italy
Description
The used and overhauled STAR SR 20 R III sliding headstock lathe offers precision and reliability for machining
complex up to a maximum turning diameter of 20 mm. Equipped with a FANUC FS 300 IS control unit and a loader
of LSN Mini Sprint S2 bars, this machine is ideal for efficient turning operations.
With a sliding headstock stroke capacity of 205 mm, the lathe allows rapid axis feeds of up to 35
m/min and C-axis up to 198,000 degrees/min. Tool stations include 6 fixed tool holders for turning and 4 for
drilling/tapping, which allow versatility in processing. The motorized unit supports a maximum speed
of 8,000 rpm with a power of 1.2 kW.
The lathe is equipped with useful accessories, such as a mat for unloading workpieces and a chip conveyor. With
a total installed power of 10 kVA, a tank capacity of 170 litres and refrigerant level control
standard, the SR 20 R III is a solid investment for your production needs. The maximum dimensions of
overall dimensions are 2.20 x 1.20 m with a height of 1.70 m and a total weight of 2200 kg.
Specifications
| Manufacturer | STAR |
| Model | SR 20 R III |
| Year | 2011 |
| Condition | Used |
| Stock Number | 00019 |
| Max. diameter turnable | mm. 20 |
| Max. travel of sliding headstock (single-tightening) | mm. 205 |
| Fixed tool | M 8 x 1.25 |
| Rotating tool on comb slide | M 6×1 |
| End mill on comb slide | Ø 10 |
| Spindle hole diameter | Ø 20 |
| Spindle revolutions | rpm. 500/8.000 |
| Power available | Kw 2.2 /1.5 |
| Compass | Neukomm art.22.001 |
| Clamp | F 25- art. 64 |
| Max grip and passage diameter | Ø 20 |
| Max piece length with front ejection | mm . 80 |
| Rapid axis advances | m/min. 35 |
| C-axis rapid advances | Degrees/min. 198.000° |
| Maximum work progress linear axes | m/min. 10 |
| Maximum C-axis work feed | Degrees/min. 10000° |
| Std fixed turning tool seats | n. 6 |
| Std tool shank dimensions | mm. 12 |
| Seats for radial motorized units | n. 5 |
| Max. speed of motorized units | 8,000 rpm |
| Max. power available | Kw 1.2 |
| Fixed drilling/tapping tool holders | n. 2 |
| Max. clamping diameter with ER collet | Ø 10 |
| Max drilling capacity (C45 steel) | Ø 8 |
| Max tapping capacity (C45 steel) | M 8 x 1.25 |
| Max. clamping diameter with ER 16 collet | Ø 10 |
| Max drilling capacity | Ø 8 |
| Max hole depth | 100 mm |
| Fixed drilling/tapping tool seats | n. 4 |
| Tank capacity | l 170 |
| Check coolant level | standard |
| Max Height | m 1,70 |
| Max. floor space requirements | m 2.20 x 1.20 |
| Machine weight | Kg 2200 |
| Total installed power | KvA 10 |