used Universal cylindrical grinding machine KELLENBERGER 600U - 125

Manufacturer: KELLENBERGER
Type: 600 U - 125
Built: 1980
Retrofit: 2018

 

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Technical Equipment/Features

Working area    
Max. Peak width 600 mm
Max. Workpiece Ø 249 mm
Peak height 125 mm

 

Table      
Max. Travel 900 mm  
Travel per handwheel rotation course /fine 20 / 2,5 mm  
Hydraulic wheel 0,02 - 6 mm/min stepless
Min. reversing distance 2,5 mm  
Holding time during reversing 0 - 5 sec stepless
Swivel range 11 °  
Cross slide      
Max. Travel 285 mm  
Travel per handwheel rotation course/fine 4/ 0,05 mm  
Rapid flow and -return hydraulically 40 mm  
Hydraulic feed 0 - 0,95 mm/Ø  
Micro stop of the feed 0,001 mm per graduation mark
Infeed grinding:
Infeed speed course/fine		 0,25 - 25 µ/sec  

Longitudinal grinding:  
Infeed amounts per table reversal left,
right or both sides
course/fine

 1 - 30 µ  
Grinding wheel      
Max. Dimension Ø 1400x50x127 mm  
Grinding wheel speed 1.000 - 1.530 min-1 stepless
Speed control via frequency converter YASKAWA   New in 2018
Tailstock      
Taper MK 3    
Pinole way 30 mm  
Pinolen-Ø 50 mm  
Workpiece spindle      
Spitzenkonus MK 5    
Speed range workpiece 20 -400 min - 1  
Swivel range 360 °  
Machine dimensions      
Space requirement l x b x h 2,8 x 2,0 x 1,5 m  
Weight 2.650 kg  
       

Equipment & Accessories

Scope of geometric retrofit in 2018

  • Slideways of X- and Z-axis regrinded, intertable and top table regrinded
  • Centre height of headstock and tailstock readjusted
  • Machine checked from the bottom up and rebuilt
  • Drives for workpiece spindle and grinding wheel renewed with YASKAWA
    frequency converter
  • Wearing parts replaced
  • New machine painting in two-layer-structure with oil-resistant and abrasion
    paints Color RAL 7035 lightgrey and RAL 7016 anthracite