Product features
?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.
 Parameter
Parameter Machine tool accessories
Machine tool accessories External dimensions
External dimensions Cooperation
Cooperation| Technical parameters | Model | |
| CJM250/ 500 | CJM250/700 | |
| Max. swing over bed | 250mm | |
| Max. work-piece length | 500mm | 700mm | 
| Max. swing over carriage | 150mm | |
| Main spindle diameter | 26mm | |
| Main spindle taper | MT.4# | |
| Max. cross travel of carriage | 140mm | |
| Max. travel longitudinal of toolpost | 70mm | |
| Metric threads range/ No | 0.25 ~ 5.0mm/ 18 | |
| Imperial threads range/ No | 4 ~96T. P. I/ 36 | |
| Module threads range/ No | 0.25 ~2. 5M. P/ 14 | |
| Diametrical threading range/ No | 9 ~96D. P/24 | |
| Toolpost longitudinal feeding per spindle rotation | 0.035 ~0. 375mm/ r | |
| Toolpost cross feeding per spindle rotation | 0.0175 ~0. 188mm/ r | |
| Max. travel of tailstock sleeve | 75mm | |
| Tailstock sleeve taper | MT.3# | |
| Spindle speed steps | 12 | |
| Main Spindle speed scope | 80 ~ 1600 rpm | |
| Main motor power | 750W | |
| Net weights/Gross weights | 160/ 180kg | 185/208kg | 
| Overall dimensions( L*W* H) | 107× 57× 50cm | 127× 57× 50cm | 
| Packing dimensions (L*W* H) | 120×61×67cm | 140×61×67cm | 
| Stamdard accessories | Optional accessories | ||
| 3 -jaw chuck | Φ125 | Chip tray | Machine Base | 
| Belt | O type 610 | Steady rest | Follow rest | 
| Dead centers | MT.3#,4# | 4 -jaw chuck Φ125/ Φ160 | Flange plateΦ125/ Φ160 | 
| Chuck spanner | 1 piece | Face Plate Φ190 | Thread dial indicator | 
| Allen wrench | 4#,5#,6# | Special optional change gears(8) | Live center | 
| Stud dead | 12 - 14; 17 - 19 | Coolant | Digital readout | 
| Changing gears | 36T | Work light | |

Product features
?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.
Kind Tips:The products will be improved and updated continously. The changes shall not be noticed additionally. Due to the di?erent con?guration requirements , the machines pictures and physical objects may be di?erent , and the physical machines prevail.
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