SR-20JII Type B
Information
The SR-20JII Type B improves upon the long-serving SR-20J model, offering increased rigidity, accuracy and versatility through a combination of improved engineering and expanded functionality.
Combining a 6-tool turning platen with a 5-spindle cross drilling unit and an 8-spindle back working tool post, the SR-20JII boasts impressive tooling capacity allowing for a huge range of machining options.
The updated design features dovetail slideways for the X1, Y1, Z2 and Y2 axes improving the machine’s rigidity – ensuring stable, repeatable results even when cutting the most challenging materials.
The sub-spindle speed, power and accuracy have also been increased by adopting a built-in spindle motor offering 10,000 rpm and 3.7Kw.
The SR-20JII Type B represents the latest evolution in 20mm sliding head machining – and the most advanced technology of its type on the market.
WORKPIECE |
||
|---|---|---|
| DIAMETER |  |
20mm / 22.2mm (OPT) |
| LENGTH |  |
205mm / 50mm (NGB) |
| GEOMETRY |  |
|
| C AXIS |  |
MAIN + SUB SPINDLE |
Benefits
- Improved metal removal rates with increased power on driven tools and sub-spindle
- Switchable between guide bush and non-guide bush modes
- Main and sub spindle speed 10,000 rpm / power 3.7Kw
- Reduced cycle times due to more overlapped machining possibilities
- Improved rigidity due to dovetail guideway structure
- Increased flexibility due to more tooling configurations
- Improved ergonomics with large cutting room and headstock “up and over” doors
- Increased accuracy due to built-in spindle motors
Specification
| MAIN SPINDLE SIDE | |
|---|---|
| Number of axes | 8 |
| Main spindle (headstock) | Z1 / C1 axis |
| Tool post | X1 / Y1 axis |
| Max. machining diameter | 20 mm / 22.2 mm (option) |
| headstock stroke (swiss type / ngb mode) | 205 mm / 50mm |
| Main spindle power | 3.7 kW |
| main spindle speed | 10,000 rpm |
| main spindle tooling | |
| Turning tool | 6 tools @ 12 mm SQ |
| DRILLING ARM SLEEVE HOLDER CAPACITY | 5 x Ø 22 MM SLEEVES (ER16) |
| POWER DRIVEN TOOL (PDT) POSITIONS | 3 + 2 MODULAR STATIONS |
| MAX (PDT) SPEED | 8,000 rpm |
| KINEMATIC DIAGRAM |
|---|
 |
| SUB SPINDLE SIDE | |
|---|---|
| Sub spindle | X2 / Y2 / Z2 / C2 axis |
| Max. chucking diameter | 20 mm / 22.2 mm (option) |
| sub spindle power | 3.7 kW |
| sub spindle speed | 10,000 rpm |
| sub spindle tooling | |
| back-working platen positions | 8 |
| max drill speed capacity | ER16 |
| power driven tool (pdt) positions | 8 (er16) |
| max (pdt) speed | 8,000 rpm |
| FMB | BAR FEED DIMENSION A (MM) | ||
|---|---|---|---|
| Micromag 08-20 | 3415 (1.6M) | 5015 (3.2M) | 6015 (4.2M) |
| Minimag 2-20 | 3415 (1.6M) | 5015 (3.2M) | 6015 (4.2M) |
| Turbo 2-20 | 3215 (2.2M) | 4215 (3.2M) | 5215 (4.2M) |
| Turbo 3-36 | 3320 (2.2M) | 4320 (3.2M) | 5320 (4.2M) |
More information
