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- Centerless type SIG03α/SG03α-IR

Centerless type SIG03α/SG03α-IR
High-precision, high-efficiency internal grinder, enabling up to outer diameters of 100 mm
Features
- Compact, powerful, and rigid hydraulic guide
- Wide choice of workheads enables a broad range of grinding up to outer diameters of 100 mm.
Grinding Specifications
| 2 roll 1 shoe workhead | 2 shoe 1 magnet workhead | ||
|---|---|---|---|
| LA/LB | MGA/MGB | IR | |
| Outer diameter | φ16~60mm | φ30~62mm | φ25~90mm |
| Inner diameter | φ12~50mm | φ5~56mm | φ20~86 |
| Width | Max50mm | Max30mm | 5~30mm |

Inside of Machine
SIG03α-MAG workhead
(2 shoe 1 magnet)
SIG03α-MGB workhead
(2 shoe 1 magnet)
Grinding Examples
| Machine type | MGA | MGB | |
|---|---|---|---|
| Workhead type | 2 shoe 1 magnet |
2 shoe 1 magnet |
|
| Method of grinding | Plunge Grinding |
Reciprocate Grinding | |
| Work | Diameter |
|
|
| Material | SUJ2 | ||
| Hardness | HRC60 to 64 | ||
| Stock removal | φ0.28±0.08mm | φ0.21±0.07mm | |
| Grinding accuracy |
Size variation | R=5µm(without constant size) | R=2.5µm(with constant size) |
| Roundness (O.D.roundness+) |
-0.05~+0.38µm | 0.25~+0.43µm | |
| Roughness | Ra 0.270 to 0.329µm | Ra 0.211 to 0.256µm | |
| Cylindricity | - | Max 2.0µm | |
| Concentricity | 0.31 to 0.76µm | 0.26 to 0.69µm | |
| Straightness | - | Wt 0.174 to 0.417µm | |
| R Shape | Wt 0.245 to 0.597µm | - | |
| Cycle Time | 12.5sec | 10.2sec | |
*The above is a part of the grinding example.
To contact us various components also except bearing.
Machine Dimensions

SII Green Products
[SIG03α is authorized as a SII Green Products.]
In December 2001, SII introduced the SII Green Product Label System, which is equivalent to the ISO 14021 Type II environmental label. This aims to raise public awareness of our eco-friendly products.
View the detail of SII Green Products.




