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The evolution for complex turned parts
The SR-20RII is the up-graded version of the reliable SR-20 and SR-20R and still
remains user-friendly.
This high performance successor is versatile because of its independent pick-up
spindle and the various tools, which can be used for the backworking attachment.
Available option: thread whirling unit.
The fast command processing and rapid traverse rate of 20m/min. mean the idle
times are greatly reduced.
Therefore probably this is the most frequently sold STAR CNC automatic lathe
all over Europe.
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CNC control unit |
Fanuc 18i-TB |
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Number of axes |
6 (7) |
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Max. machining diameter |
Ø 20 mm |
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Max. headstock stroke |
205 mm standard
195 mm gripping unit
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Max. main spindle speed |
10'000 rpm |
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Main spindle indexing |
C-axis (0.01°) |
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Main spindle motor |
2.2 kw / 3.7 kw |
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Number of tool stations |
Gang tool post |
6 turning tools
5 power-driven tool stations |
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4-Spindle sleeve holder |
4 tools frontworking
4 tools backworking
(interpolation possible)
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Max. drilling capacity |
Ø 10 mm 4-spindle sleeve holder
Ø 8 mm power-driven attachment
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Max. tapping capacity |
M8 x 1.25 4-spindle sleeve holder
M6 x 1.0 power-driven attachment
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Max. milling capacity |
Ø 10 mm |
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Coolant tank capacity |
145 L
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Dimension (W x D x H) |
2210 x 1080 x 1700 mm
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Weight
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2200 kg
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| Backworking attachment* SR-20RII |
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Max. chucking diameter |
Ø 20 mm |
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Max. pick-up part length |
80 mm |
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Max. part protection length |
30 mm |
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Max. sub spindle speed |
8'000 rpm |
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Sub spindle indexing |
15°
C-axis (0.01°) optional
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Sub spindle motor |
1.5 kw / 2.2 kw |
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Number of tool stations |
4 stationary or power-driven tools |
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Max. drilling capacity |
Ø 8 mm stationary tools
Ø 5 mm power-driven attachment
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Max. tapping capacity |
M8 x 1.25 stationary tools
M4 x 0.7 power-driven attachment
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| * Specifications are subject to change |
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