CRG CNC

(CNC) Cylindrical Grinding Machine

CRG CNC

For grinding in the sub-micron range

  • Advanced machine concept, innovative design and cutting edge components from reputable manufacturers are key elements which characterize these CNC cylindrical grinding machines.
  • Exceptional accuracy
  • Standard grinding cycles include dressing of the wheel, as well as grinding cycles of concave and convex surfaces
  • Specially designed fine feeds allow grinding results with mirrored surfaces, to an accuracy of 0.1 micron
  • A heavy Meehanite cast frame, heat treated and stress-relieved, provides a solid foundation for the CRG CNC cylindrical grinding machines
  • All guideways are hardened and precision ground to ensure permanent accuracy and wear resistance. Another highlight of this series is the special table design, which uses a hydrostatic system for extremely smooth motion and precision
  • The grinding spindle is made of high quality steel
  • The grinding spindle uses a high-precision hydrostatic spindle bearing that excludes metal-to-metal contact and thus guarantees a true running accuracy of 0.5 microns
  • A wide range of options for your special applications are available on request

Standard configuration

  • Fanuc CNC control (2 axes)
  • Grinding wheel flange (Balanced and mounted)
  • Glass linear scales for X-axis
  • Diamond dresser
  • Separate hydraulic unit with oil/air cooling
  • Coolant system
  • Work light
  • Fixed centering tips (2 pcs)
  • Tool kit
  • Operation manual

Optional configuration

  • Internal grinding unit
  • Coolant system with paper filter and magnetic separator
  • Driving dog (various)
  • 2-point steady rest
  • 3-point steady rest
  • Touch probe for axial positioning of work pieces
  • Automatic grinding wheel balancing system
  • Balancing stand and balancing shaft
  • Automatic IN PROCESS work piece measurement
  • Oil mist collector
  • Hydraulic-driven tailstock
  • Headstock with bore, Ø80mm
  • Complete enclosure
  • Glass linear scales for Z-axis
  • Automatic loading and unloading

Get a quote or call (610) 441-7317

SpecificationsCRG CNC1040CRG CNC1660CRG CNC16100CRG CNC2160CRG CNC21100
4” x 16”6” x 24”6” x 39”8” x 24”8” x 39”
Center heightmm100 (3.9”)160 (6”)210 (8”)
Distance between centersmm400 (16”)600 (24”)1000 (39”)600 (24”)1000 (39”)
Grinding capacitymm180 (7”)300 (12”)400 (16”)
Max. workpiece weightkg60 (132 lbs)150 (330 lbs)150 (330 lbs)
Grinding wheel dimensionsmmØ355x38xØ127 (14×1.5×5”)Ø405x50x127 (16x2x5”)Ø405x50xØ152 (16x2x6”)
Grinding spindle speedrpm208517801780
Main spindle motorkW2.3 (3 Hp)3.7 (5 Hp)3.7 (5 Hp)
Spindle head speedrpm10–50010–30010–300
Spindle head motorkW0.75 (1 Hp)0.8 (1 Hp)1.3 (2 Hp)0.8 (1 Hp)1.3 (2 Hp)
Spindle stock taperMT 3MT 3MT 4MT 4
Swivel angledeg-30° – +90°-30° – +90°-30° – +90°
Swivel range table l/rdeg-3° – +10°-3° – +12°0° – +12°0° – +12°0° – +10°
Tailstock quill taperMT 3MT 4MT 4
Smallest input incrementmm0.001 (0.0001)0.001 (0.0001)0.001 (0.0001)
Weightkg2250 (4,950 lbs)4250 (9,350 lbs)5300 (11,660 lbs)4450 (9,790 lbs)5500 (12,100 lbs)

*The above specifications are subject to change without prior notice. No liability for printing mistakes. Machine may be shown with optional equipment.


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Or call now: +1 610-441-7317

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