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Okuno developed the first numeric controlled spring machines in the world in 1968.
All slides and wire feeding on this machine are computerized for performing both coiling and forming functions. This machine can be used for making high value springs or making a small quantity of springs, set-up time is considerably
shortened.
| Basic spring figure which can be made by CM-CNC *:Optional Device |
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| Ring |
No Pitch Coil |
Compression Spring
(Straight) |
Compression Spring
(Formed) |
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Extension Spring
(One Side Hook)* |
Extension Spring* |
Torsion Spring |
Formed Spring* |
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| No Ground Spring* |
W Power Spring* |
Control Tube |
Motor Spring
(Constant Pitch) |
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| Oval Coil Spring |
Wave Spring* |
Compression Spring
(Tapered) |
Compression Spring
(Shaped)* |
Product Pictures
| Item |
CM-30CNC |
CM-50CNC |
CM-80CNC |
CM-120CNC |
CM-200CNC |
| Coil diameter that can be processed(mm) |
Dia 0.8 to Dia 3.0 |
Dia 2.0 to Dia 5.0 |
Dia 3.0 to Dia 8.0 |
Dia 6.0 to Dia12.0 |
Dia10.0 to Dia20.0 |
| Max coil OD(mm) |
Dia 60.0 |
Dia 75.0 |
Dia 90.0 |
Dia140.0 |
Dia180.0 |
| Min D/d (D=ID) |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
| Max production speed ( Parts per minute) |
100 |
80 |
60 |
40 |
20 |
| Wire feed |
Wire feed(kw) |
4.4 |
7.5 |
22 |
37 |
75 |
| Max wire speed (mm/second) |
1,200 |
1,100 |
1,000 |
900 |
800 |
| Max wire feed length |
9999.9 |
9999.9 |
9999.9 |
9999.9 |
9999.9 |
| Shaping |
Modification slide drive(2 axis) |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
| Max slide speed (mm/second) |
400 |
400 |
400 |
300 |
300 |
| Max slide stroke(mm) |
60 |
75 |
90 |
140 |
180 |
| Slide location control(mm) |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
| Slide location accuracy(mm) |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
| Slide drive force(kg) |
1,500 |
3,500 |
9,000 |
20,000 |
45,000 |
| Pitch |
Pitch drive(1shaft) |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
| Max slide speed (mm/second) |
200 |
200 |
200 |
100 |
100 |
| Max slide stroke(mm) |
40 |
50 |
60 |
70 |
100 |
| Slide location control(mm) |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
| Slide location accuracy(mm) |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
| Slide drive force(kg) |
600 |
1,200 |
2,000 |
4,800 |
6,000 |
| Cutting |
Cutter drive (2 axis) |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
Hydraulic servo |
| Max slide speed (mm/second) |
400 |
400 |
400 |
300 |
300 |
| Max slide stroke(mm) |
60 |
80 |
100 |
100 |
100 |
| Slide location control(mm) |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| Slide location accuracy(mm) |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
| Slide driving force(kg) |
3,000 |
6,000 |
10,000 |
24,000 |
53,000 |
| Drive |
Hydraulic use motor(kw) |
3.7 |
5.5 |
7.5 |
11 |
15 |
| Roller pressure |
air |
Hydraulic |
Hydraulic |
Hydraulic |
Hydraulic |
| Core bar up-down motion motor(kw) |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
| Core bar clamp |
Hydraulic |
Hydraulic |
Hydraulic |
Hydraulic |
Hydraulic |
| Total drive capacity(kw) |
9 |
14 |
30 |
49 |
91 |
| Machine size(W X L X H) |
1,720 X 1,600 X 1,940 |
2,100 X 2,000 X 2,000 |
2,300 X 2,300 X 2,000 |
2,700 X 3,200 X 2,500 |
3,000 X 3,500X2,700 |
| Machine weight(TON) |
2.5 |
5.5 |
9 |
15 |
25 |
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* Due to continuous improvement, the specifications are subject to change without notice. |
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| CM-30CNC |
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| CM-80CNC |
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| CM-200CNC |
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