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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 |
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DIAMETER | 20mm / 22.2mm (OPT) | |
LENGTH | 205mm / 50mm (NGB) | |
GEOMETRY | ||
C AXIS | MAIN + SUB SPINDLE |
MAIN SPINDLE SIDE | |
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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 |
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SUB SPINDLE SIDE | |
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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) | ||
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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) |