LIBERTY II

CNC 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.

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

GENERAL SPECIFICATIONS
OVERALL DIMENSIONS (WXDXH) 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)
POWER
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)
CNC CONTROL / PROGRAMMING
SIEMENS SINUMERIK 840D SL
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

TABLE AXIS
SERVO MOTOR DRIVEN PRECISION BALLSCREW
HAND SCRAPED TURCITE COATED VEE & FLAT WAY SYSTEM
CLOSED LOOP POSITIONING WITH HEIDENHAIN GLASS SCALE FEEDBACK
SERVO POWER RATING 1.81 HP (1.35 KW)
TOTAL TRAVEL 18 IN (457.2 MM)

CROSSFEED AXIS
SERVO MOTOR DRIVEN PRECISION 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)

WORKHEAD SPINDLE
SPEED 0-1000 RPM
SPINDLE NOSE A2-5 AND 5C COLLETS
TORQUE RATING
 33 FT LBS (45NPR)
**Please see workhead spindle options below

THE BENEFITS BUILT INTO EVERY ONE OF OUR
CNC GRINDING MACHINES.

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

Preprogrammed Cycles