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Specification | Unit | AK-15 | AK-25M | AK-35M | ||
Max.swing over bed | mm | 440 | 520 | 660 | ||
Max.turning dia.over bed | mm | 300 | 420 | 550 | ||
Max.turning length | mm | 450 | 530/905 | 780/1530 | ||
X-axis rapid feed speed | m/min | 20 | 12 | 12 | ||
Z-axis rapid feed speed | m/min | 24 | 15 | 15 | ||
Spindle speed range | rpm | 50-4500 | 35-3500 | 25-2500 | ||
Spindle nose | A2-6 | A2-8 | ||||
Chuck size | 8" | 10" | 12" | |||
Spindle front end bearing(dia.) | mm | 100 | 130 | 160 | ||
Spindle bore(dia.) | mm | 62 | 87 | 92 | ||
C-axis indexing(incremental unit) | 0.001 | |||||
Number of stations | 8 | 12 | ||||
Indexing time | s | 0.58 | 0.4 | 1 | ||
Tool shank size | mm | 25×25 | ||||
Boring bar shank dia. | mm | 40 | 50 | |||
Tool speed | rpm | 40-4000 | ||||
Main spindle motor | kw | 9.0/11 | 18.5/15 | 30/22 | ||
X-axis servo motor | kw | 1.6 | 3 | |||
Z-axis servo motor | kw | 3 | 4 | |||
Tool driving motor | kw | A3/10000i | ||||
Max. travel of tailstock | mm | 460 | 490/865 | 760/1500 | ||
Dia.of tailstock quill | mm | 80 | 85 | 110 | ||
Travel of tailstock | mm | 130 | 80 | 100 | ||
Taper of tailstock quill | MT-4 | MT-5 | ||||
Coolant capacity | L | 200 | 200/230 | 200/250 | ||
Total power | kw | 25 | 38 | 46 | ||
X-axis positioning accuracy | mm | 0.025 | ||||
X-axis repeatability positioning accuracy | mm | 0.01 | ||||
X-axis reverse warp | mm | 0.012 | ||||
Z-axis positioning accuracy | mm | 0.016 | ||||
Z-axis repeatability accuracy | mm | 0.007 | ||||
Z-axis reverse warp | mm | 0.006 |