spindle drive system

AutoGrav CNC machines type S

  • 3-axes, extremely rigid aluminum in closed gantry design
  • linear bearing guides, assisted and clearance-free (linear roll bearings on hardened shafts)
  • 3 bipolar stepper motors, 4A, 110/165Ncm
  • triple bearing, clearance-free, thread spindle (Ø14mm, pitch X/Y=4mm; Z=2mm)
  • 3 reference switches
  • machine table with T-profile slots
  • covered drive trains and guidances (optinally for the Y-axis)
  • shielded cables and connectors
  • control and supply lines in cable carrier systems
  • industrial-suited microstep electronics (3200/1600 steps/revolution)
  • triple stepping motor driver, optically decoupled
  • chopper control / current lowering at motor halt
  • low maintenance system
  • Made in Germany
AutoGrav 2S
AutoGrav 2S
protected drives and cabling
protected drives and cabling
AutoGrav 5S
AutoGrav 5S

Resulotion, accuracy and speeds

model axis resolution
repeat accuracy
travel speeds
2S 0,00125mm/step < 0,01mm 40mm/s
(2,4m/min)
3S
4S
5S

Dimensions and weight

model work area
clamping table
Z clearance
dimensions weight
2S 390x380x90mm 600x450mm 130mm 655x565mm 25kg
3S 590x580x90mm 800x600mm 130mm 855x715mm 40kg
4S 790x580x160mm 1000x600mm 210mm 1055x715mm 55kg
5S 990x680x160mm 1200x800mm 210mm 1290x915mm 70kg

Content of the AutoGrav standard packages

  • 3-axes CNC milling machine
  • USB microstep control electronics with connections for milling motor,
    tool measuring unit, surface scanner and cooling system
  • control software cncGraF Windows (incl. free updates!)
  • milling motor 1050W, 10.000 - 32.000 rpm
  • 8mm cutter with clamping chuck
  • 10mm plastic sheet
  • emergency stop button
  • all necessary cables
  • free email support
  • 36 months warranty