1955 |
Prototype of Universal Tool Grinder was competed in development.  |
1959 |
Model G-24 Cylindrical Grinder was developed.  |
1964 |
Big-size Crank Pin Cylindrical Grinder (Swing: 7200mm, Center Distance:2300) was developed. |
1965 |
Model G-18 Cylindrical Grinder(Swing:180mm, Center Distance:250mm)  ideal for the big volume of production of small size components was completed in development |
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1970 |
Model G-27, upgrade model of G-24 series was developed.  |
1971 |
Model G-27, equipped with an auto loader, full automated Cylindrical. Grinder was developed.  |
1974 |
Big capacity Cylindrical Grinder Model GP-65 with 4000mm center distance has been added in the standard product line. A full complete line of Cylindrical Grinders, from compact type to big size has become available.(Swing:180 - 1,000mm)   |
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1978 |
Model GAS-27 Angular Slide Cylindrical Grinder was developed.  |
1980 |
Model GN-27 CNC Cylindrical Grinder ideal for the medium-volume production of a big component has been developed.  |
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1982 |
Model G-27 and G-18 series have been replaced to G-30 and G-20 series with improvement.  |
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1988 |
Model G-30 and Model GN-30 series have been improved to Model G-30B and GN-30B series.  |
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1991 |
Model GP-65 series has been improved to GP-65D series; Big capacity CNC Grinder has been completed in development.  |
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1992 |
Newly Developed Wheel Head traverse Cylindrical and Angular Slide Grinders GPC/GAC-30rr0 series have been added in the product line.  |
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1994 |
Developed ultra high speed grinding system based on GPC-30.40.  |
1995 |
Model GCM-30 series CNC Masterless CAM Grinder has been completed. in development  |
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1996 |
CNC Masterless CAM grinder GCM-30 Available for domestic market.  |
1997 |
Model CVN-8 slant bed type CNC 4 axis control Centering Machine was completed in development.  |
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1998 |
Model GPX-30 CNC Ultra-high precision Cylindrical Grinder has been developed.  |
1999 |
Model APG-35 glass disks for HDD grinder has been developed.  |
2000 |
Model GPC/GAC-20 series Wheelhead traverse type space saving and high precision Cylindrical/Angular Grinder ideal for small parts has been developed.  |
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2001 |
Model APG-10T ID/OD Simultaneous grinder applied to compact HDD has been developed. |
2002 |
Model GCM-30 has been improved to GCMH-30 series.GPES-30 series Eccentric/Ploygon Grinder was developed. |
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2003 |
Model GCO-16CNC Centerless/Cylinderical Grinder has been developed.  Model GSU series CNC Universal Grinder has been developed. |
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2004 |
Orbit type CNC Small Crank-Pin Grinder equipped with linear motor has been developed. Model GPH series CNC Cylindrical Grinder with Handle has been completed |