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RN-RO-RV Gearboxes
Coupling "G"
Description
Reducer Half-coupling
- Material: Alloy 20MnCr5l
- Input shaft built-in
- Two bearing setting
- Unchanged casing dimensions
Spider
- External tooth connection
- Material: Thermoplastic Elastomer:
Elastollan
®
TPU - Polyurethanic
Hytrel
®
TPE
-
Polyester
- Hardness
TPU 98 Shore A
TPE 72 Shore D
- Temperature range
TPU -20/+75°C (-4 / +167°F)
TPE -30/+100°C (-22 / +212°F)
Motor Half-coupling
- Material:
Alu pressure die cast (G3, G5, G6)
Steel 36SMnPb14
(GS8)
Steel C43 on demand (GS3, GS5, GS6)
- Dynamic balancing
- Fitting:
Clamp (G3, G5, G6)
Key
(GS3, GS5, GS6, GS8)
- Bores:
IEC 72/DIN42948
NEMA C and TC
Advantages:
- One gearbox only for each ratio
- Greater flexibility
- Increased stock rotation
- Elimination of fretting corrosion between
key and keyway
- Gearbox / motor connection with zero
backlash
- Allowed angular misalignment 1° max.
- High torsional rigidity
- High vibration damping

Input flanges:
- Material:
Aluminium to IEC112 & NEMA C180
Cast iron from IEC 132 & NEMA C200