Full gears driven in the headstock, with 12 steps of cyclic speed-changing.
Feeding box with 12 steps of variable speeds, covering common threading pitches.
Longitudinal & cross auto feeding adopts inter-lock structure with good safety.
Two v-type guideway with high accuracy and rigidity.
Camlocked tailstock.
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Specifications |
CJM250 |
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Max. Swing over bed |
250mm |
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Max. Workpiece length |
500mm |
700mm |
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Max. Swing over carriage |
150mm |
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Main spindle diameter |
26mm |
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Main spindle taper |
MT4 |
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Max. Cross travel of carriage |
140mm |
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Max. Longitudinal travel of toolpost |
70mm |
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Metric threads range/ No |
0.25-5.0mm/ 18 |
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Imperial threads range/ No |
4-96TPI/ 36 |
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Module threads range/ No |
0.25-2.5MP/ 14 |
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Diametrical threads range/ No |
9-96DP/ 24 |
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Toolpost longitudinal feeding per spindle rotation |
0.035-0.375mm/r |
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Toolpost cross feeding per spindle rotation |
0.0175-0.188mm/r |
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Max. Travel of tailstock sleeve |
75mm |
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Tailstock sleeve taper |
MT3 |
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Spindle speed steps |
12 |
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Main spindle speed |
80-1600rpm |
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Main motor power |
750W |
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N.W./G.W. |
160/180kg |
185/208kg |
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Overall dimensions |
107x57x50cm |
127x57x50cm |
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Packing dimensions |
120x61x67cm |
140x61x67cm |
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Standard Accessories |
Optional Accessories |
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3 jaw chuck 125mm |
Chip tray |
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V belt O type 610 |
Steady rest |
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Dead center |
Follow rest |
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Chuck spanner |
4 jaw chuck 125/160mm |
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Allen key |
Face plate 190mm |
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Stud dead |
Special optional change gears (8) |
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Change gears 36T |
Coolant |
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Work light |
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Machine base |
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Flange plate 125/160mm |
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Thread dial indicator |
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Live center |
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Digital readout |


