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Robbi Internal Diameter (ID) Grinders

Product Category: Internal Diameter (ID) Grinders - CNC, Manual, & Vertical

Robbi standard adjustments meet ISO 2433 precision standards. The table movement linearity is guaranteed with a maximum deviation of 0.002 mm / mt. Surface finishing grade 0.2 Ra μ ** The grinding roundness obtainable is: for straightening 0.3 μ ** & for spindle grinding 0.4 μ ** | ** for specimen piece during testing

By Robbi - Made In Italy

We offer two main configurations for the Robbi internal cylindrical grinders. You can purchase a fixed wheel head or a mobile turret (up to four spindles). In addition, we also offer this internal grinder as a semi-automatic (PLC) or CNC configuration.

Machine Photo Gallery

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Standard Features

AGP 3400 PROFACE operating panel for easy grinding cycle programming
PLC system control unit
Grid cycles with parametric programming
Possibility to program 4 different diameters in a single grinding cycle
Self-winding cycle with compensation of all grinding units
Milling head controlled milling head movement
Electronic handwheel for manual movement of the grinding wheel head with the possibility of selecting increments of 0.01 mm. and 0.001 mm.
Electronic handwheel for manual movement of the board with the possibility to select increments of 0.01 mm. and 0.001 mm.
Brushless digital motors for moving head grinding wheel and table
Display of the position of the grinding wheel head and the table on the operator panel
Retraction cycle in the past with parametric programming
It is possible to program up to 4 different diameters in a single grinding cycle
It is possible to set the correction to each diameter on the operating panel
Manual grinding cycle, with stop function of the grinding wheel when reaching the programmed diameter, even with automatic table movement
Automatic grinding cycle grinds with compensation of all grinding units
Variation of piece revolutions by potentiometer with display on digital display
Automatic hydraulic dimmers mounted on the table guides
Devices to be switched off with hydraulic movement

Omicron IGR 250 & 600

Great versatility and high-quality standards
Processing small pieces of pieces, or single pieces, in manual or automatic mode
Automatic diamond compensation
Simplified mill-piece pre-set
Fast and precise in the processing of complex components thanks to the probes and contact probes (optional)
The working cycle (managed by PLC) allows to trim up to 4 diameters
Movement of the two axes driven by brushless motors
Positioning guaranteed by the digital optical line
Automatic cycle diamond (prior to finishing) makes OMICRON IGR-250 a particularly accurate grinder for repeatability of the measurement.