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Siemens Simotics User Manual

Siemens Simotics
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Description of the planetary gearbox
2.3 Properties of planetary gearboxes
Planetary gearboxes for servomotors
24 Operating Instructions, 09/2020, A5E50494253B AA
2.3 Properties of planetary gearboxes
This chapter describes the mechanical properties of the planetary gearboxes and the
materials used.
The mounting position of the planetary gearbox is not specified.
Property of the planetary gearbox
Gearbox series
SP+
NP, NRB, NRK
NLC
Gearing
Helical gearing
Straight gearing
Direction of rotation
Gearbox input and output rotate in the same direction as the motor
Gearing lubricant
Oil
Grease
Lubrication type
Lubricated for life in the factory
Mounting position
Any mounting position is possible
Classification
Precision:
Standard
Torsional backlash
Low
Average
Degree of protection
IP65
IP64
IP65
Materials used for the gearbox
NP
SP+
NRB
NRK
NLC
Gearbox housing (gearing
area)
Steel
Steel
Steel
Steel
Steel
Motor flange
Aluminum
Aluminum
Aluminum
Aluminum
Aluminum
Mounting flange (machine
side)
Steel
Steel
Aluminum
Steel
Steel

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Siemens Simotics Specifications

General IconGeneral
BrandSiemens
ModelSimotics
CategoryIndustrial Equipment
LanguageEnglish

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