Acra Series LCM Variable Speed Vertical Mills
- Made in Taiwan
Spindle:
- R8
- Made from one piece of Ni-Cr alloy steel.
- Supported by two precision angular contact and one ball bearing to ensure rigidity.
- Inner Taper was hardened and ground.
- Inner taper runout keeps within 0.002mm.
Adjustable Backlash Nut:
- Unique double nuts and backlash adjusting design, contact face enlarged ensuring accuracy over long term and easy for backlash adjustment.
Milling Head Gear & Quill:
- Hardened & ground spindle, quiet and smooth, free of noise vibration.
- Use dynamically balanced pulleys and precision bearings.
- Spindle back gear running in grease packed housing ensures fatigue strength and low noise.
- Quill Heat Treat Hardened & Chromed.
Rigid Head Tilting System:
- The head knuckle is our design patent. This structure increases the stability and rigidity, when vertical head is tilted at all angles, front and back to perform complicated work.
- There are T-Bolts to lock the knuckle to Ram instead of 3 bolts.
| Item No. | LCM-42/50 |
| Y Axis Travel | 12" |
| Z Axis Travel (quill) | 5" |
| T-Slots | 3" x 0.625" x 2.5" |
| Ram Travel | 12" |
| Knee Travel | 16" |
| Throat Distance | 6.75" - 18.75" |
| Spindle Gaugeline to Table Top | 0 - 18.5" |
| Vertical Speed (Variable Speed | 60 - 4500 RPM |
| Quill Feed | 0.0016/0.0031/0.0063" |
| Vertical Spindle Taper | R8 |
| Head Tilt (right-left) | 90º |
| Head Tilt (up-down) | +45 - 38º |
| Vertical Motor | 3 HP |
| Dimensions | 75" x 57.8" x 82.7" |
