主要技術特點
 M250A型內圓磨床可磨削直徑150～500mm的圓柱孔及錐孔。zui大磨削深度為450mm。
Model M250A internal grinder is capable of grinding straight bore as well as tapered bore ranging from 150 to 500 mm in diameter.The maximum depth to be ground is 450mm.
機床主要規格參數 Technical Specifications of the Machines
| 機床型號 Machine model | M250A | | 磨孔直徑 Bore diameter to be ground(mm) | Ø150-500 | | 磨孔zui大深度 Max.depth of bore to be ground(mm) | 450 | | 工件zui大旋徑 罩內 Max.swinging inside guard(mm) | Ø510 | | 工件zui大旋徑 罩外 Max.swinging without guard(mm) | Ø725 | | 工作臺zui大行程 Max.travel of worktable(mm) | 725 | | 床頭主軸箱回轉角度 Swiveling angle of workhead housing(°) | 15° | | 機床中心高 Center height of machine(mm) | 1200 | | 工件轉速 Work speed(r/min.) | 28,38,57,160,212,320 | | 砂輪轉速 Wheel speed(r/min.) | 2450,4200 | | 機床總功率 Total power(kw) | 8.92 | | 機床外形尺寸（長×寬×高）Overall dimensions(mm) | 3760×1650×1830 | | 機床重量 Weight of machine(kg) | 4500 |
機床加工精度 Grinding Accuracy
| 圓度 Roundness (μm) | 5 | | 圓柱度 Cylindricity(μm) | 6 |
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機床商務網