Description

ROBBI IGR 600 Internal Grinding Machines are available as CNC & Semi Automatic versions. Maximum internal grinding diameter of 250mm. Siemens control.

Specification

ROBBI IGR 600
Maximum internal grinding diameter 250mm
Height of centres over table 180 / 230mm
Maximum cantilever weight (150mm from spindle nose 80Kg
Maximum distance between headstock & grinding spindle 1200mm
Maximum diameter of grinding spindle 120mm
Maximum table swivel +8 deg / -4 deg
Table speed 0-4000mm/min

CNC & Semi Automatic versions available

CNC (Siemens 840Di) & Semi Automatic (T6 PLC) versions available

ROBBI T6 PLC Version includes:

  • Control panel SIEMENS TP 700 for easy programming of grinding cycles
  • Wheelhead and table position visualized on operator panel
  • Programmable grinding cycles: plunge and pass
  • Program up to 12 different diameters, in a single grinding cycle
  • Possibility to update the operative panel, with the correction of each diameter
  • Manual grinding cycle, with stop of the grinding wheel feed once the                           programmed diameter has been reached
  • Automatic grinding wheel dressing cycle with compensation of all the grinding           dimensions
  • In-process measuring gauge and gap control systems (Option)

AUTOMATIC GRINDING CYCLES, PLUNGE AND PLUNGE AND PASS WITH PARAMETERS:

  • Stock removal – rough and finish
  • Automatic increments – rough and finish, for pass grinding cycles
  • Automatic feeds – rough and finish, for plunge grinding cycles
  • Dwell – table inversion
  • Sparkout time
  • Sparkout pass

PRECISION DEGREE
ROBBI grinding machines are built in accordance to the international precision Standards ISO 2433. The table movement linearity is guaranteed within a maximum deviation of 0,002 mm/m. Surface finish degree: 0,2 Ra µ (**). The obtainable grinding roundness is (with live spindle) 0,4 µ (**)

(**)  For a test workpiece ground in our factory during machine testing.

P.O.A.