Lathes
Miumac C6240ZK / 1000
| Item | Unit | C6140ZK | C6240ZK | C6146ZK | C6246ZK |
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Processing
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Max. swing Dia. over bed
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mm | Φ400 | Φ400 | Φ460 | Φ460 |
| Max. swing Dia. over carriage | mm | Φ255 | Φ255 | Φ275 | Φ275 |
| Max. swing Dia. in gap(only for 62 series) | mm | - | Φ570 | - | Φ630 |
| Width of bed | mm | 312 | 312 | 312 | 312 |
| Max.length of workpiece | mm | 750/1000/1500 | 750/1000/1500 | 750/1000/1500 | 750/1000/1500 |
| Maximum turned length | mm | 650/900/1400 | 650/900/1400 | 650/900/1400 | 650/900/1400 |
| Effective gap length | mm | 200 | 200 | 200 | 200 |
| Spindle | |||||
| Spindie nose | D6 | D6 | D6 | D6 | |
| Spindle bore | mm | Φ52 | Φ52 | Φ52 | Φ52 |
| Taper of bore | M.T.No.6 | M.T.No.6 | M.T.No.6 | M.T.No.6 | |
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Steps of spindle speed
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12 | 12 | 12 | 12 | |
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Ranges of spindle speed
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rpm | 40~1800 | 40~1800 | 40~1800 | 40~1800 |
| Thread cutting | |||||
| Metric range/No. | 0.5～20mm/24 | 0.5～20mm/24 | 0.5～20mm/24 | 0.5～20mm/24 | |
| Inch range/No. | 72~1⅝T.P.I/61 | 72~1⅝T.P.I/61 | 72~1⅝T.P.I/61 | 72~1⅝T.P.I/61 | |
| D.P.Range/No. | 96~3¼D.P/45 | 96~3¼D.P/45 | 96~3¼D.P/45 | 96~3¼D.P/45 | |
| Module range/No. | 0.25~10M.P/20 | 0.25~10M.P/20 | 0.25~10M.P/20 | 0.25~10M.P/20 | |
| Range of feeds | |||||
| Longitudinal | mm | 0.04~2.46 | 0.04~2.46 | 0.04~2.46 | 0.04~2.46 |
| Cross | mm | 0.03~1.23 | 0.03~1.23 | 0.03~1.23 | 0.03~1.23 |
| Tailstock sleeve | |||||
| External Dia. | mm | Φ60 | Φ60 | Φ60 | Φ60 |
| Taper of bore | M.T.No.4 | M.T.No.4 | M.T.No.4 | M.T.No.4 | |
| Max.traverse | mm | 120 | 120 | 120 | 120 |
| Max.travel of compound rest | mm | 130 | 130 | 130 | 130 |
| Max.cross slide travel | mm | 240 | 240 | 240 | 240 |
| Max. size of tool shank(WxH) | mm | 25×25 | 25×25 | 25×25 | 25×25 |
| Power of main motor(double speeds) | kW | 4/5.5 | 4/5.5 | 4/5.5 | 4/5.5 |
| Overall dimensions(L×W×H) | mm | 2140/2360/2860×1000×1230 | 2140/2360/2860×1000×1230 | 2140/2360/2860×1000×1250 | 2140/2360/2860×1000×1250 |
| Net weight | kg | 1650/1730/1890 | 1730/1810/1970 | 1700/1780/1940 | 1780/1860/2020 |
The guideways and all gears in the headstock are hardened and precision ground.
The spindle system is high in rigidity and accuracy.
Powerful headstock gear train
High rotating accuracy and smooth running with low noise.