CNC Internal Grinder STG-3N
This is the CNC Internal Grinder STG-3N which meets demands of high-mix low-volume production due to realize downsizing and high cost performance.
Features
- Space-saving A0 size footprint.
- SII original spindle assures a highly efficient grinding process.
- Optimizing for multiporpus use.
- Easy maintnance and high cost-performance.
Chuck Type
| Scroll | Collet |
|---|---|
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Grinding Rayout
| Taper Grinding (Workhead swivel) |
Taper Grinding (2 Axis Control, Option) |
Face Grinding (Option) |
Cylindrical Grinding (Option) |
|---|---|---|---|
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Applications
| Material | SUJ2 | SKD11 | Cemented Carbide | ZrO2 |
|---|---|---|---|---|
| Grinding Diameter | φ1mm | φ5mm | φ3.3mm | φ10mm |
| Roundness | 0.28µm | 0.39µm | 0.51µm | 0.7µm |
| Roughness | - | Ra 0.07µm | Ra 0.147µm | Ra 0.145µm |
| Cycle Time | 71 sec. | 27 sec. | 28 sec. | 108 sec. |
| Work |  |
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Grinding Specifications
| Outer diameter | to φ95mm |
|---|---|
| Inner diameter | from φ0.3mm |
| Grindable Length | to 40mm |
Please ask us for details of grindable diameter/length.
Specifications
| Workhead Sync R.P.M | 0 to 2,000min-1 |
|---|---|
| Workhead swivel angle | -5° to 50° |
| Chuck type (selectable) |
3 inch scroll (φ2 to φ70mm) |
| 4 inch scroll (φ3 to φ95mm) | |
| Collet ( to φ14mm) | |
| Auto collet ( to φ14mm) * | |
| Wheelhead spindle (selectable) |
M8H-T (45,000 to 80,000min-1) |
| M11H-T (60,000 to 110,000min-1) | |
| M15H-UP (80,000 to 150,000min-1) | |
| M18H (100,000 to 180,000min-1) * | |
| Dresser | Single point dresser |
| Standard accessories | Coolant liquid tank + magnetic separator |
| Spindle cooling unit | |
| Option unit | Mist collector * |
| Automatic fire extinguisher + Damper * | |
| Dimensions | 1,150mm(W)×830mm(D)×1,250mm(H) |
| Weight | 1,300kg |
* mark is option units. Please ask us for details of specifications.
Inside of Machine
Inside of STG-3N
(Scroll chuck type)
Machine Dimensions
SII Green Products
[STG-3N 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.