INTERNAL THREAD GRINDING MACHINES

RIR Series

The main characteristics are:

  • Software adapted for any type of internal threading tasks including automatic wheel profiling.
  • HF spindles selected for each application requirement.
  • Slides with combination of linear & hydrostatic drives.
  • Vitrified and electroplated CBN wheels for high production requirements.
  • Possibility to integrate OD simultaneous grinding
  • Friendly parametric programming interface.

Technical specifications

RIR 140 / RIR 275 / RIR+RE 250 / RIR SP

Max. Part Lenght210 mm / 350 mm / 350 mm / 700-1000 mm
Max outside diam160 mm / 275 mm / 250 mm / 600 mm
Min internal thread8 mm (*)
Helix angle±15º (**)
*: Smaller diameter under study
** :Larger angles under study

SOLUTIONS

High load nuts
This application is prepared for high force press technology, plastic injection machines, etc…
2.2.1.2RIR-600-D
Small nuts for machine tools and other applications

The internal threading technology is implemented for an amply range of small/medium size nuts.

RIR-275Internal-thread

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Internal threads

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