LIBERTY II

CNC ID/OD

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

Liberty II RFQ
    General Specifications
      Power    
    Overall Dimensions (WxDxH) 91 in x 89 in x 66 in   Power Requirement 208, 230, or 480 VAC - 50/60 Hz  
    * Height with Mist Collector Option 85 in (2159 mm)   Power Consumption 18.5 kVA  
    Machine Weight (Net) 8000 lbs (3628.7 kg)   Max. Current 30 A  
    Max Part Diameter 14 in (355.6 mm)   Total Power Rating 25 HP (18.64 kW)  
    Distance Between Centers 10 in (254 mm)        
    Worktable Size 5 in x 38 in (127 mm x 965.2 mm)        
               
    CNC Control / Programming          
    Siemens SINUMERIK 840D SL     Table Axis    
    Input Format Ethernet or USB   Servo Motor Driven Ballscrew    
    Position Command Incremental and Absolute   Hand Scraped Turcite Coated Vee & Flat Way System
    Programming Format Inch or Metric   Closed Loop Positioning with Heidenhain Glass Scale Feedback
    Minimum Program Increment 0.00001 in (0.0001 mm)   Servo Power Rating 1.81 HP (1.35 KW)  
    Handwheel Control Remote Handheld Pendant   Total Travel 18 in (457.2 mm)  
               
    Grinding Spindles          
    Spindle Nose (T.I.R.) 0.00005 in (0.0013 mm)        
  OD Only          
    PS-SA00004-00 Belt Driven   Crossfeed Axis    
    Speed 5 - 3600 RPM   Servo Motor Driven Ballscrew    
    Wheel Size Ø12 in x 1 in (Ø304 mm x 25.4 mm)   Precision Rolling Element Linear Motion Bearing
    Power Rating 7.4 Hp (5.5 kW)   Closed Loop Positioning with Heidenhain Glass Scale Feedback
  ID Only     Servo Power Rating 1.81 HP (1.35 KW)  
   


PS-SA000011-00 Direct Drive (Requires 1" series Parker quills or ER 20 collets   Total Travel 9.4 in (238.7 mm)  
      Speed 5000 - 15000 RPM        
      Quill Series 1 in or ER-20 Collets        
      Power Rating 3.4 Hp (2.5 kW)        
    PS-SA00012-01 Direct Drive (Requires 5/8" series Parker quills or ER-16 collets        
      Speed 10000 - 30000 RPM   Workhead Spindle    
      Quill Series 5/8 in or ER-16 Collets   Speed 0 - 1000 rpm  
      Power Rating 3.4 Hp (2.5 kW)   Spindle Nose A5 - Accepts 5C Collets  
    PS-SA00013-00 Direct Drive (Requires 7/16" series Parker quills or ER-11 collets   Torque Rating 33 ft-lbs (45 Nm)  
      Speed 15000 - 40000 RPM Optional Manually Pivoting Workhead (B-Axis) - Accuracy 0.0005 Degrees
      Quill Series 7/16 in or ER-11 Collets Non-circular Option 18000 Line Counts  
      Power Rating 2 Hp (1.5 kW)     Precision Indexing  
  ID/OD Combination          
      PS-SA00004-00 OD Spindle (See details above)    
   


PS-SA000011-00 ID Spindle (See details above)    
    PS-SA00012-01 ID Spindle (See details above)    
    PS-SA00013-00 ID Spindle (See details above)    





































35000-75000 rpm (Requires ER-8 collets)






























35000-75000 rpm (Requires ER-8 collets)



























 

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Special Features

Non-Circular Capabilities

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

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CONTACT US

300 North Pike Road

Sarver, Pa. 16055

724.352.1551

sales@parkermajestic.com