SR-20RII
The versatile SR-20RII is a very popular, user-friendly model with improved power and additional tooling.
It features fully independent front/back working capability and is built to produce complex parts for medical and other industries in one operation.
SR-20RII’s comprehensive machining capability and highly productive design efficiently delivers upon the latest machining demands with reduced machining time and an outstanding environmental safety performance.
Specifications SR-20RII |
| Max. machining diameter |
ø20mm(25/32in) |
| Max. headstock stroke |
Standard |
205mm(8in) |
| With gripping unit |
195mm(7-11/16in) |
| Tool |
Number of tools |
6 tools |
| Tool shank |
12mmX100~135mm 12.7mmX100~135mm |
| 4-Spindle sleeve holder |
Number of tools |
Front 4 tools |
| Rear 4 tools |
| Max. drilling capacity |
ø10mm(25/64in) |
| Max. tapping capacity |
M8XP1.25 |
| Max. die cutting capacity |
M8XP1.25 |
| Power driven att. |
Number of tools |
5~10 tools : including OP |
| Max. drilling capacity |
ø8mm(5/16in) |
| Max. tapping capacity |
M6XP1.0 |
| Max. milling capacity |
ø10mm(25/64in) |
| Max. slotting capacity |
1.5mm(W)X4mm(D) |
| Main spindle min. indexing degree |
0.01º (C-axis control) |
| Main spindle speed |
Max. 10,000min-1 |
| Main spindle motor |
2.2kw(continuous)/3.7kw(15min.) |
| Power-driven att. spindle speed |
Max. 8,000min-1 |
| Power-driven att. drive motor |
AC servo motor 1.2kw |
| Coolant tank capacity |
155 l |
| Dimensions (WXDXH) |
2,210X1,080X1,700mm |
| Center height |
1,060mm(3.48ft) |
| Weight |
2,200kg |
| Power consumption |
7.0KVA |
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Backworking attachment SR-20RII |
| Max. chucking diameter |
ø20mm(25/32in) |
| Max. length for front ejection |
80mm(3-5/32in) |
| Max. parts projection length |
30mm(1-3/16in) |
| Back 4-Spindle unit |
Number of tools |
4 tools : OP |
| Max. drilling capacity |
Stationary tool |
ø8mm(5/16in) |
| Power driven tool |
ø5mm(3/16in) |
| Max. tapping capacity |
Stationary tool |
M8XP1.25 |
| Power driven tool |
M4XPO.7 |
| Sub spindle min. indexing angle |
15º / 1º : OP/ C-axis : OP |
| Sub spindle speed |
Max. 8,000min-1 |
| Sub spindle motor |
1.5kw(continuous)/2.2kw(15min.) |
* Specifications are subject to change
