background image
- 8 -
Gearboxes Series RS & RT
Elastic coupling "G" description
Reducer half-coupling
Material: steel 20MnCr5
Input shaft built-in
Two bearing set
Unchanged casing dimensions
Spider
External tooth connection
Material: Thermoplastic Elastomer
-
Elastollan
®
TPU - Polyurethane
-
Hytrel
®
TPE
-
Polyester
Hardness
- TPU 98 Shore A
- TPE 72 Shore D
Temperature
- TPU -20/+75°C (-4 / +167°F)
- TPE -30/+100°C (-22 / +212°F)
Motor half-coupling
Material:
- Aluminium 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 / N42948
- NEMA C y TC




Advantages:
One gearbox only for each reduction ratio
Greater flexibility
Increased stock rotation
Fretting corrosion elimination between key and keyway
Zero backlash in gearbox/motor connection
Allowed angular misalignment 1° max
Torsional rigidity
High vibration damping

Input flanges:
Material:
- Aluminium up to IEC112 and NEMA TC180
- Cast iron from IEC 132 and NEMA TC200