產品特點
GD-5020外圓磨床，用于磨削內、外圓柱形和圓錐的工件，單件、批量生產使用的車間；頭架由變頻電機驅動，可無級變速；
機床工作臺縱向移動可由液壓無級傳動，也可手輪傳動，砂輪橫向移動具有液壓快速度進退和手動進給功能。
產品參數
| 技術參數（Technical parameters） | 單位Unit | GD-5020A | GD-5020B |
| 外圓磨削范圍O.D grinding range | mm | Φ8~200 | Φ8~200 |
| 內圓磨削范圍ID grinding range | mm | ------ | Φ13~100 |
| 中心高 Center height | mm | 135 | 135 |
| 頭架主軸轉速Work head spindle speed | r/min | 50Hz：25~380 stepless | 50Hz：25~380 stepless |
| 工作臺移動量Max travel of workbench | mm | 650 | 650 |
| 液壓移動速度 Hydraulic travel speed | m/min | 0.1~4 | 0.1~4 |
| 工作重量 Max workpiece weight | kg | 50 | 50 |
| 可磨長度外圓/內圓Griding lenth of OD/ID | mm | 500 | 500/125 |
| 工作臺轉動范圍The workbench rotation range | ° | -5~+9° | -5~+9° |
| 砂輪線速度Wheel peripheral velocity | m/s | 38 | 38 |
| 外圓砂輪尺寸External grinding wheel size | mm | MaxΦ400x50xΦ203 MinΦ280x50xΦ203 | MaxΦ400x50xΦ203 MinΦ280x50xΦ203 |
| 內圓主軸轉速 Inner spindle speed | r/min | ------ | 16000 |
| 頭尾架Tail stock taper morse | morse | NO.4 | NO.4 |
| 電機總容量Motor total capacity | kw | 5.625 | 5.625 |
| 機床外型尺寸(長x寬x高)Machine size(L×W×H) | mm | 2500x1600x1500 | 2500x1600x1500 |
| 機床重量Machine weight | kg | 2500 | 2500 |
| 主要附件Main accessories | 數量Quantity | ||
| 冷卻液箱Cooling tank | 1套(1set) | ||
| 砂輪壓緊盤Grinding wheel pressing plate | 1套(1set) | ||
| 三爪卡盤Three jaw chuck | 1套(1set) | ||
| 桃子夾頭Peach chuck | 1套(1set) | ||
| 支點底座Support point base | 3件(3 pieces) | ||
| 內磨接長軸Internal grinding and connecting shaft | 2套(2sets) | ||
| 砂輪修整器Griding wheel dresser | 1套(1set) | ||
| 砂輪平衡軸Grinding wheel balance shaft | 1套(1set) | ||
| 開式中心架Open center frame | 1套(1set) | ||
| 合金Alloy head center | 2件(2pieces) | ||
| 卡盤座Chuck seat | 1件(1piece) | ||
| 特殊附件Special accessories | 數量Quantity | ||
| 砂輪平衡架Wheel balancing device | 1套(1set) | ||
| 圓弧修整器 Arc dresser | 1套(1set) | ||
| 閉式中心架Closed center frame6 | 1套(1set) | ||
| 工作精度Work precision | 參數 | ||
| 圓度（外圓/內圓）Roundness(O.D/I.D) | 0.002/0.005mm（O.D/I.D） | ||
| 表面粗糙度（外圓/內圓）The surface roughness(O.D/I.D) | Ra0.32/0.63µm（O.D/I.D） | ||
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