PMJ Logo

Liberty II

UCNC ID/OD GRINDER

Built to our high precision standards and with user friendly programming, the Liberty II is loaded with preprogrammed cycles for automatic grinding of intricate contours, tapers, chamfers, fillets, radii, shoulders, and straight diameters in one continuous operation. The advanced capability of the Liberty II provides the ability to grind complex, out of round shapes.

Specification SheetBrochureManual
  • GENERAL SPECIFICATIONS
  • Table Axis
  • Power
  • Crossfeed Axis
  • CNC Control / Programming
  • Workhead Spindle
GENERAL SPECIFICATIONS
Overall Dimensions (W x D x H)
91 IN X 89 IN X 66 IN
* HEIGHT WITH MIST COLLECTOR OPTION
85 IN (2159 MM)
MACHINE WEIGHT (NET)
8000 LBS (3628.7 KG)
MAX PART DIAMETER
14 IN (355.6 MM)
DISTANCE BETWEEN CENTERS
10 IN (254 MM)
WORKTABLE SIZE
5 IN X 38 IN (127 MM X 965.2 MM)
SERVO MOTOR DRIVEN BALLSCREW
HAND SCRAPED TURCITE COATED VEE & FLAT WAY SYSTEM
CLOSED LOOP HEIDENHAIN ABSOLUTE LINEAR GLASS SCALE FEEDBACK
SERVO POWER RATING
1.81 HP (1.35 KW)
TOTAL TRAVEL
18 IN (457.2 MM)
POWER REQUIREMENT
208, 230, OR 480 VAC – 50/60 HZ
POWER CONSUMPTION
18.5 KVA
MAX. CURRENT
30 A
TOTAL POWER RATING
25 HP (18.64 KW)
SERVO MOTOR DRIVEN BALLSCREW
PRECISION ROLLING ELEMENT LINEAR MOTION BEARING
CLOSED LOOP POSITIONING WITH HEIDENHAIN GLASS SCALE FEEDBACK
SERVO POWER RATING
1.81 HP (1.35 KW)
TOTAL TRAVEL
9.4 IN (238.7 MM)
SIEMENS 840D SOLUTION LINE
INPUT FORMAT
ETHERNET OR USB
POSITION COMMAND
INCREMENTAL AND ABSOLUTE
PROGRAMMING FORMAT
INCH OR METRIC
MINIMUM PROGRAM INCREMENT
0.00001 IN (0.0001 MM)
HANDWHEEL CONTROL
REMOTE HANDHELD PENDANT
SPEED
0-1000 RPM
SPINDLE NOSE
A2-5 AND 5C COLLETS
TORQUE RATING
33 FT LBS (45NPR)

3 Options:

– 2 Grinding Spindles with automatic rotation

– 2 Grinding Spindles with manual rotation

– Single Grinding Spindle

Liberty II

The benefits built into every one of our CNC Grinding Machines

Hand Scraped Ways

Hand Scraped Ways

The human touch in a high precision machine. Hand scraping provides a more accurate surface for more accurate part production.
Cast Iron Bases

Cast Iron Bases

All of our cnc grinding machines utilize cast iron bases due to its high compressive strength and excellent vibration damping capacity.
Preprogrammed Cycles

Preprogrammed Cycles

Simplify the programming process by automating repetitive tasks such as drilling, boring, threading, and pocketing​.

REQUEST QUOTE

Review and Select Your Options
Machines must pass rigorous test grinding and verification to .00005” (.00127mm) or less

Please enable JavaScript in your browser to complete this form.
Tool Holding
Workpiece Holding
Programming Software/Hardware
Coolant System
Wheel Dresser
Service and Shipping
NAME
ADDRESS
We use cookies to improve your experience. Please read our Privacy Policy or click Accept.