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New 9" x 50" Acra Step Pulley Vertical Milling Machine

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$9,850.00
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SKU:
OMLCM50SP
Condition:
New
Weight:
2,500.00 LBS

Acra’s new 9" x 50" Step Pulley Vertical Milling Machine is made in Taiwan and has the following features:

Spindle Unit

  • R8 standard Spindle; NST30 or NST40 are available
  • Made from one piece of Ni-Cr alloy steel
  • Supported by two precision angular contacts and one ball bearing to ensure rigidity
  • Inner taper is hardened, and precision grounded

Milling Head Gear and Quill

  • Harden and grounded spindle, quiet and smooth, free of noise and vibration
  • Uses dynamically balanced pulleys and precision bearings
  • 3HP Spindle Motor
  • Spindles back gears are encased in grease packed housing to ensure less fatigue, strength and low noise
  • Chrome coated and mirror grounded finished quill

Rigid Head Tilting System

  • The Heaf knuckle is our design patent. This structure greatly increases the stability and rigidity, when the vertical head is titled at any angle, front and back to perform complicated work. There are 6 t-bolts to lock the knuckle to the Ram instead of 3 bolts.

Adjustable Backlash Nut

  • Unique double nuts and backlash adjusting design, contact face enlarged ensuring accuracy over term and easy for backlash adjustment.

Specifications

  • Table Size:  9″ X 50″
  • X Axis Travel: 38″
  • Y Axis Travel: 12″
  • Z Axis Travel:  5″
  • T-Slots: 3 x 0.625″ x 2.5″
  • Ram Travel:  12″
  • Knee Travel: 16″
  • Throat Distance: 6.75″ ~ 18.75″
  • Spindle to Tabletop: 0 ~ 18.5″
  • Main Motor: 3 HP
  • Spindle Nose: R-8 or No. 30 NST
  • Spindle RPM: 80-5,520 RPM
  • Quill Feeds: 0.0016″/0.0031″/0.0063″
  • Voltage: 230V AC ~ 3 PH

Standard Equipment

  • Quill Heat Treated, Hardened & Chromed
  • One Shot Lubrication
  • Emergency Stop
One (1) Year MFG Parts Warranty.