Full gears driven in the headstock, with 8 steps of cyclical speed-changing. Invention patent technology.
Feeding box with 12 steps of variable speeds, covering common threading pitches.
Longitudinal & cross auto feeding adopts inter-lock structure with good safety.
High frequency hardened two v-type widened guideway with rigidity.
Inclined wedge toolpost carriage, camlocked tailstock, industrial lathe operation rod.
Specifications |
CJM280 |
|
Max. Swing over bed |
280mm |
|
Max. Workpiece length |
500mm |
750mm |
Max. Swing over carriage |
165mm |
|
Main spindle diameter |
38mm |
|
Main spindle taper |
MT5 |
|
Max. Cross travel of carriage |
185mm |
|
Max. Longitudinal travel of toolpost |
75mm |
|
Metric threads range/ No |
0.2-3.5mm/ 18 |
|
Imperial threads range/ No |
4 1⁄2-48TPI/ 34 |
|
Module threads range/ No |
0.2-1.75MP/ 16 |
|
Diametrical threads range/ No |
16-120DP/ 24 |
|
Toolpost longitudinal feeding per spindle rotation |
0.05-0.35mm/r |
|
Toolpost cross feeding per spindle rotation |
0.025-0.18mm/r |
|
Max. Travel of tailstock sleeve |
75mm |
|
Tailstock sleeve taper |
MT3 |
|
Spindle speed steps |
8 |
|
Main spindle speed |
90-1800rpm |
|
Main motor power |
750W |
|
N.W./G.W. |
260/300kg |
270/320kg |
Overall dimensions |
117x65x65cm |
142x65x65cm |
Packing dimensions |
131x77x75cm |
153x77x75cm |
Standard Accessories |
Optional Accessories |
3 jaw chuck 160mm |
Chip tray |
V belt A type 762 |
Steady rest |
Dead center |
Follow rest |
Chuck spanner |
4 jaw chuck 160/200mm |
Allen key |
Face plate 250mm |
Stud dead |
Special optional change gears (9) |
Change gears 40T |
Coolant |
|
Work light |
|
Machine base |
|
Flange plate 160/200mm |
|
Thread dial indicator |
|
Live center |
|
Digital readout |
|
Optional motor 1.1/1.5kW |