Shigiya manufactures and sells metal machine tools, primarily cylindrical grinders, universal grinders and specialized machinery. We offer customized solutions to meet the diverse needs of our customers, whether they are in the automobile, electronics, IT or other businesses. 
G-20 Series
This series includes the GP-20 series cylindrical grinder with a non-swivel wheelhead and the GU-20 series universal grinder with a wheehead that swivels ± 30°.
This series is available with the manually operated F type, hydraulic feed H type, and hydraulic automatic infeed A type.
This series is available with the manually operated F type, hydraulic feed H type, and hydraulic automatic infeed A type.
|  |
| Model (Cylindrical Grinder) | Swing over table | Center - distance | Wheel infeed | Table feed |
| GP-20Ž¥25F | Φ200mm | 250mm | Manual | Manual |
| GP-20Ž¥50F | Φ200mm | 500mm | Manual | Manual |
| GP-20Ž¥25H | Φ200mm | 250mm | Manual | Hydraulic |
| GP-20Ž¥50H | Φ200mm | 500mm | Manual | Hydraulic |
| GP-20Ž¥25A | Φ200mm | 250mm | Hyd.auto. | Hydraulic |
| GP-20Ž¥50A | Φ200mm | 500mm | Hyd.auto. | Hydraulic |
| Model (Universal Grinder) | Swing over table | Center - distance | Wheel infeed | Table feed |
| GU-20Ž¥25F | Φ200mm | 250mm | Manual | Manual |
| GU-20Ž¥50F | Φ200mm | 500mm | Manual | Manual |
| GU-20Ž¥25H | Φ200mm | 250mm | Manual | Hydraulic |
| GU-20Ž¥50H | Φ200mm | 500mm | Manual | Hydraulic |
| GU-20Ž¥25A | Φ200mm | 250mm | Hyd.auto. | Hydraulic |
| GU-20Ž¥50A | Φ200mm | 500mm | Hyd.auto. | Hydraulic |
| Wheel size (O.D.×W×I.D.) | GP-20 series | Φ355x32xΦ127mm |
|---|---|---|
| GU-20 series | Φ305x25xΦ127mm | |
| Wheel peripheral speed | 2000m/min. | |
| Maximum grinding diameter | Φ200mm | |
| Max. workpiece mass (when using both centers) | 20kg | |
| Optional specifications |
| Ž¥ Specified as per changed wheel cover Φ355x50mm Ž¥ Specified as per changed wheel peripheral speed 2700m/min. Ž¥ Overhead type wheel dressing device Ž¥ Radius wheel dressing device Ž¥ Internal grinding attachment |
