- 採用天然花崗岩材料，可確保性能和尺寸的穩定性。
- 花崗岩平台的性能在很多方面優於鑄鐵平台： 硬度是鑄鐵的兩倍。非磁性。尺寸受溫度影響小。
- 無扭曲變形，不會影響工作。
- 由於花崗岩平台的晶體結構精細，無粘滯性，不會產生毛刺或表面凸起現象，因此可保證長期使用也可確保很高的平面度，不會損壞工件或儀器。
- 需在一個穩定的溫度環境中使用。由於上表面和後表面的溫度差產生的平面度誤差，所以應避免在陽光直射下使用。此外，不要放置在空調等附近。推薦使用環境：溫度20±1ºC，濕度58±2%。
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規格:
| Order No. | Size (mm) | Flatness (µm) | Mass (kg) | Optional stand for black granite surface plate | h (mm) | ||||
| WxDxH | d | w | Standard type | with safty frame | with caster | ||||
| 517-401-4 | 300x300x100 | 240 | 240 | 2 | 27 | — | — | — | — |
| 517-301 | 3 | ||||||||
| 517-101 | 5 | ||||||||
| 517-411-4 | 450x300x100 | 240 | 390 | 2 | 40 | — | — | — | — |
| 517-311 | 3 | ||||||||
| 517-111 | 6 | ||||||||
| 517-141-4 | 600x450x100 | 370 | 500 | 2.5 | 80 | 517-203 | 517-203R | 517-203CR | 755 – 775 |
| 517-314 | 4 | ||||||||
| 517-114 | 8 | ||||||||
| 517-403-4 | 600x600x130 | 500 | 500 | 2.5 | 140 | 517-204 | 517-204R | 517-204CR | 755 – 775 |
| 517-303 | 5 | ||||||||
| 517-103 | 8 | ||||||||
| 517-405-4 | 750x500x130 | 420 | 630 | 3 | 146 | 517-205 | 517-205R | 517-205CR | 755 – 775 |
| 517-305 | 5 | ||||||||
| 517-105 | 9 | ||||||||
| 517-407-4 | 1000x750x150 | 630 | 700 | 3 | 337 | 517-206 | 517-206R | 517-206CR | 755 – 775 |
| 517-307 | 6 | ||||||||
| 517-107 | 12 | ||||||||
| 517-409-4 | 1000x1000x150 | 700 | 700 | 3.5 | 450 | 517-207 | 517-207R | 517-207CR | 735 – 775 |
| 517-309 | 7 | ||||||||
| 517-109 | 13 | ||||||||
| 517-413-4 | 1500x1000x200 | 700 | 1100 | 4 | 900 | 517-208 | 517-208R | 517-208CR | 735 – 775 |
| 517-313 | 8 | ||||||||
| 517-113 | 16 | ||||||||
| 517-410-4 | 2000x1000x250 | 700 | 1500 | 4.5 | 1500 | 517-209 | 517-209R | 517-209CR | 735 – 775 |
| 517-310 | 9.5 | ||||||||
| 517-110 | 19 | ||||||||
| 517-416-4 | 2000x1500x300 | 1100 | 1500 | 5 | 2700 | 517-210 | 517-210R | 517-210CR | 735 – 775 |
| 517-316 | 10 | ||||||||
| 517-116 | 20 | ||||||||
| 517-317 | 2000x2000x350 | 1500 | 1500 | 11 | 4200 | — | — | — | 700 – 706* |
| 517-117 | 22 | ||||||||
| 517-318 | 3000x1500x400 | 1100 | 2000 | 12.5 | 5400 | — | — | — | 700 – 706* |
| 517-118 | 25 | ||||||||
| 517-319 | 3000x2000x500 | 1500 | 2000 | 13.5 | 9000 | — | — | — | 700 – 706* |
| 517-119 | 27 | ||||||||
*Distance from the bottom of the large granite plate block mount to the granite plate top surface.
