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CNC Internal and Surface Grinder
 
 
CNC BUDERUS 352 U M          1986
 
 
Condition: excellent
 
     
 
Main features:
 
  * CNC SIEMENS SINUMERIK 3 G for 4 axes  
  * 1 internal grinding spindle with wheel flange  
  * Surface/external grinding spindle with grinding wheel and flange  
  * 6-axes robot CINCINNATI-MILACRON for workpiece deburring  
  * Dressing of surface and internal grinding wheel via CNC at fixed diamond  
  * Oil-mist lubrication device for grinding spindle  
  * REFU frequency-transformer for internal and surface spindle  
  * Constant peripheral speed of grinding wheel for external grinding  
  * Coolant unit for electric cabinet BKW  
  * Full enclosure and security-device for workarea  
  * Surface / external grinding spindle reconditioned 1999  
     
 
Technical features:
 
  Surface/external grinding: Max diameter                                                                      280 mm  
                                              Center height                                                                        320 mm  
                                              Z-axes                                                                                   360 mm  
                                              X-axes                                                                                   220 mm  
                                              Max grinding wheel diameter / width                           600 / 36 mm  
  Internal grinding:               Min/max diameter                                                        10 - 200 mm  
                                              Max grinding depth                                                              200 mm  
                                              Bore in spindle                                                                     150 mm  
                                             Max distance workpiece - grinding spindle                         800 mm  
                                             Min / max longitudinal travel of table                          0,5 - 500 mm  
                                             Min / max cross travel of grinding slide                0,0005 - 120 mm  
  Work spindle:                    Bore                                                                                          MK 4  
                                             Max swivel                                                                                    30°  
                                             Speeds, stepless                                                              0 - 710 rpm  
  Infeed                                                                                                                  0,0005 - 0,1 mm  
  Table speeds, stepless                                                                                           0,5 - 15 m/min  
  Feeds, stepless                                                                                                  0,01 - 10 mm/min  
  Voltage                                                                                                                        380V 50Hz  
  Internal grinding spindle     GMN TSSV                                                     7,5 kW / 15000 rpm  
  Surface grinding spindle     GMN TSAV                                                       7,5 kW / 1445 rpm  
  Total power required                                                                                                          40 kW  
  Weight, approx.                                                                                                                3500 kg  
  Space required l x w x h, approx.                                                          4400 x 5000 x 2300 mm  

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