- Built in rotary cylinder
- No draw tube,no rotary cylinder required
- Extra large piston,provide high clamping force
- Center through hole,able to arrange auto feeding
- Best budget solution for manual lathe into automation
- No fluid direct to the chuck body
| JA5-25 | JA7-40 | JA7-70 | |
|---|---|---|---|
| fig | fig.1 | fig.1 | fig.1 |
| A | 170 ( 6.69" ) | 213 ( 8.39" ) | 265(10.43") |
| B | 68 ( 2.68" ) | 94 ( 3.7" ) | 136(5.35") |
| C | 45 ( 1.77" ) | 65 ( 2.56" ) | 105(4.13") |
| D | 25 ( 0.98" ) | 45 ( 1.77" ) | 68(2.68") |
| E | 4 ( 0.16" ) | 5 ( 0.2" ) | 5(0.2") |
| F | 100 ( 3.94" ) | 155 ( 6.1" ) | 155(6.1") |
| G | 135 ( 5.31" ) | 192 ( 7.56" ) | 192(7.56") |
| H | 102.5 ( 4.04" ) | 126 ( 4.96" ) | 141(5.55") |
| I ( P.C.D. ) | 115 ( 4.53" ) | 172 ( 6.77" ) | 172(6.77") |
| J | 3H-M8 | 3H-M10 | 3H-M10 |
| Collet / Jaw | C-25 | C-40 | C-70 |
| Air/Hydraulic | Air | Air | Air |
| Operating Pressure | 2-9kg/cm² ( 28-128psi ) | 2-9kg/cm² ( 28-128psi ) | 2-9kg/cm² ( 28-128psi ) |
| Max. RPM | 1800 | 1600 | 1400 |
| Max. Capacity (Through/ None) | 25mm/32mm | 45mm/50mm | 68mm/90mm |
| Piston Area | 115cm² | 182cm² | 329cm² |
| Gripping Force | 2254 kgf@7kg/cm² ( 4969 lbf@100psi ) | 3567 kgf@7kg/cm² ( 7847 lbf@100psi ) | 6429 kgf@7kg/cm² ( 14143 lbf@100psi ) |
| Net Weight | 7.3 kgs ( 16.1 lbs ) | 14.4 kgs ( 31.7 lbs ) | 23 kgs ( 50.7 lbs ) |