Universal Circular Grinding Machine

23,776.00€w/o VAT

HARRIS UGM series universal circular grinders include four models for external and internal grinding of cylindrical parts with diameters from 5 to 630 mm and lengths up to 5000 mm. Their technical parameters, precision and reliability during operation make their use possible and cost-effective in over 95% of the parts in general engineering.

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Technical Specifications

MODEL UGM-200 UGM-300 UGM-500 UGM-630
Distance between centers mm 500; 750 1000; 1500 1500; 2000; 3000 2000; 3000; 5000
Center height mm 135 180 270 370
External grinding diameter mm 5….200 8…320 25……….500 30…..630
Internal grinding diameter mm 25….100 30…..100 30……200 30…..250
Max. length of external grinding mm 500; 750 1000; 1500 1500; 2000; 3000 2000; 3000; 5000
Max. length of internal grinding mm 125 125 320 320
Max. workpiece weight kg 100 150 1000 3000
Workhead:
Rotation angle ° +90 +90 +90 +90
Spindle taper МT4 МT4 МT6 МT6
Spindle speed /stepless/ rpm 25…380 25….220 20……224 14……140
Wheelhead:
Wheel spindle speed rpm 1670 1670 1330/665 1100/550
Max. travel mm 205 246 370 450
Rapid travel (hydraulic) mm 50 50 100 100
Rotation angle ° ±10 ±30 ±30 ±30
Max. feed per revolution mm rough 2.0 / fine 0.5 rough 2.0 / fine 0.5 rough 4.0 / fine 0.5 rough 4.0 / fine 0.5
Max. dimensions of wheel mm 500 х 50 х 203 500 х 50 х 203 500 х 75 х 305 600 х 75 х 305
Peripheral velocity m/s 35 35 35/17.5 35/17.5
Internal grinding device:
Spindle speed rpm 10000, 15000 10000, 15000 10000 10000
Wheel size mm max.50х25х13/min.17х20х6 max.175х32х32/min.30х25х10
Work table:
Longitudinal travel speed m/min 0.1 …..4.0 0.1 …..4.0 0.1…….3.0 0.1……2.5
Travel per revolution of handwheel mm 6.0  6.0  5.0 5.0
Rotation angle ° 3 / 9; 8 3 / 7; 6 5 / 3; 2; 2 5 / 2; 1; 1
Tail stock:
Quill taper МT МT4 МT6 Metric 80
Quill travel mm 30 30 70 70
Wheelhead motor kW 4 5.5 5/7.5 7/11
Internal grinding motor kW 1.1 1.1 1.5 1.5
Workhead motor kW 1.1 1.5 4 15
Machine weight kg 4100; 4300 5100; 6100 11000; 12000; 15000 20000; 22000; 26000

Standard Equipment

  • Cooling system
  • Wheel periphery dresser base (without diamond pen)
  • Flanges and wheel extractor
  • Standard grinding wheel
  • Wheel balancing arbor
  • Leveling pads
  • Working lamp
  • Open steady rest
  • Dead center
  • Internal grinding device

Optional Equipment (for models UGM-200 and UGM-300)

  • Magnetic separator apparatus
  • End wheel dresser
  • Balancing stand
  • Close steady rest