This series of multi-purpose grinding machine is a kind of universal machine. It has both the characters of a universal cylindrical grinding machine and the characters of a tool and cutter grinding machine and is suitable for external grinding internal grinding and surface grinding as well as for sharpening general cutting tools such as various milling cutters, reamers, pinion cutters and straight fluted hobs, etc.
This machine is suitable for common small machine plants, tool workshops, repair workshops and research institutes of science and technology.
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Specifications |
2M9120A |
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Max. workpiece diameter |
200mm |
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Max. workpiece length |
500mm |
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Capacity |
|
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Workpiece diameter external grinding |
5-50mm |
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Workpiece diameter internal grinding |
10-50mm |
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Tool and cutter sharpening |
200mm |
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Workpiece length external grinding |
400mm |
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Workpiece length internal grinding |
75mm |
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Tool and cutter sharpening |
200mm |
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Surface grinding length x width ( being viced ) |
200x50mm |
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Workpiece weight |
10kg |
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Workhead |
|
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Height of center |
100mm |
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Center distance between workhead and tailstock |
430mm |
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Center distance between left right tailstock |
500mm |
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Taper of spindle bore |
MT2 |
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Speeds of spindle (50Hz) |
110, 200, 300rpm |
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Swivel |
±90° |
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Chuck diameter |
Φ100mm |
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Wheelhead |
|
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Max. vertical travel |
200mm |
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Max. transverse travel |
200mm |
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Vertical feed per revolution of handwheel |
2mm |
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Vertical feed per division of handwheel |
0.01mm |
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Cross feed per revolution of handwheel, fine/coarse |
1/4mm |
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Cross feed per division of handwheel, fine/coarse |
0.005/0.02mm |
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Swivel in horizontal plane |
±90° |
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Grinding wheel spindle speed (50Hz) |
2500rpm (60Hz 2950rpm) |
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Max. grinding wheel diameter x width x bore diameter |
200x20x75mm |
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Internal grinding spindle |
|
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Internal grinding spindle |
13500rpm (60Hz 16000rpm) |
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Min. grinding wheel diameter x width x bore diameter |
10x10x3mm |
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Max. grinding wheel diameter x width x bore diameter |
25x20x6mm |
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Table |
|
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Max. travel |
480mm |
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Traverse speed |
≤7m/min |
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Travel per revolution of handwheel |
17mm |
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Travel per revolution of knob |
126mm |
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Max. swivel of upper table |
+45°~-30° |
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Tailstock |
|
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Taper in center bore |
MT2 |
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Sleeve travel |
14mm |
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Motor power |
2.905kW |
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Overall dimension (LxWxH) |
1520x1142x1338mm |
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Packing dimension (LxWxH) |
1860x1360x1590mm |
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N.W./G.W. |
1350/1700kg |
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Work accuracy |
|
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External |
0.0015mm |
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Internal |
0.0025mm |
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Cylindricity |
0.005mm |
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Surface roughness external |
Ra0.32μm |
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Surface roughness internal |
Ra0.63μm |
