RIR
Internal thread grinding
RIR 140/275 | RIR 500/600 SP | |
---|---|---|
Max. Part Lenght | 210...350 mm | 700...1000 mm |
Max outside diam | 160...275 mm | 500...600 mm |
Min internal thread | 8 mm (*) | 8 mm (*) |
Helix angle | ±15º (**) | ±15º (**) |
Internal HF selectro-spindles porwer & ranges | 3...18 kW 30000...90000 rpm | 5...36 kW 18000...75000 rpm |
Max. wheel diameter | 60...100 mm | 150...180 mm |
Machine weight | 4200...6600 kg | 8000...15000 |
Higher leads achieved by modifying wheel profile |
RIR+RE
Internal thread grinding + OD grinding
RIR+RE 250 | RIR+RE 500 | |
---|---|---|
Max. Part Lenght | 400 mm | 1000 mm |
Max outside diam | 250 mm | 500 mm |
Min internal thread | 8 mm (*) | 8 mm (*) |
Helix angle | ±15º (**) | ±15º (**) |
Internal HF selectro-spindles porwer & ranges | 3...18 kW 30000...90000 rpm | 5...36 kW 18000...75000 rpm |
Max. internal wheel diameter | 60...100 mm | 150...180 mm |
OD wheel diameter | 500 mm | 610 mm |
Machine weight | 8000 kg | 19000 kg |
Higher leads achieved by modifying wheel profile |
FEATURES

- RIR 140-275
The machine that covers most standard internal thread applications.
- RIR 500-600 SP
Specific solutions for high load ballnuts and bigger diameter nuts used in presses and injection machines.
- RIR+RE 250
Standard RIR 275 that includes an OD grinding wheelhead.
- RIR+RE 500
Standard RIR 500 that includes an OD grinding wheelhead