MaalonDrive® Hollow 8mm - Type 1

MaalonDrive®

Hollow 8mm - Type 1

Technical Supply Specifications

Features

  • Fast delivery
  • High repeatability
  • Zero backlash with optimised fit between speed and transmission ratio
  • Hollow shaft thru center of rotational axis
  • Preloaded ball bearing

Description

The MaalonDrive® Hollow 8mm - type 1 micro positioning gear is characterised, in particular, by minimal outer dimensions and a hollow shaft through the central rotary axis. Optical or electrical signals can be guided through this shaft, thereby allowing a simple and space-saving design to be realised. At the heart of this precise and reliable micro gearbox is a zero-backlash MaalonDrive® gear with a reduction ratio of 160:1. The preloaded ball bearings on both the input shaft as well as the output shaft result in precise guiding and allow the application to be directly connected.

Technical Parameter

Global System
Number Parameter Symbol Value Hint
P-003
Ratioi160 : 1
P-004
Self-locking yes  
P-006
Hollow shaft 1  
P-008
Repeatability unidirectional 15 arcsec 
P-009
Repeatability bidirectional 20 arcmin 
P-010
Accuracy 14 arcmin 
P-011
Transmission accuracy 28 arcmin 
P-013
Torsional stiffness 2.29 Nm/rad 
P-014
Lost motion 15 arcmin 
P-015
Backlash 0 arcmin 
P-016
Rated torqueT3 mNm 
P-017
Peak torqueT6 mNm 
P-018
Momentary peak torqueT20 mNm 
P-021
Rated input speedn10000 rpm 
P-022
Maximum input speedn30000 rpm 
P-023
Rated output speedn62.5 rpm 
P-024
Maximum output speedn187.5 rpm 
P-026
No-load starting torqueT90 μNm 
P-027
No-load running torqueT60 μNm 
P-028
Rated running torqueT390 μNm 
P-034
Lifetime for rated operation 1000 h 
P-035
Radial backlash output shaft 0 μm 
P-036
Axial backlash output shaft 0 μm 
P-037
Radial stiffnessc0.87 N/μm 
P-038
Axial stiffnessc18.5 N/μm 
P-039
Max. radial load on output shaft (non-operating, constant load)F20 N 
P-040
Max. radial load on output shaft (non-operating, impulsive load)F5 N 
P-041
Max. radial load on output shaft (operating, constant load)F3 N 
P-042
Max. radial load on output shaft (operating, impulsive load)F3 N 
P-043
Max. axial load on output shaft (non-operating, constantF64 N 
P-044
Max. axial load on output shaft (non-operating, impulsive load)F20 N 
P-045
Max. axial load on output shaft (operating, constant load)F185 N 
P-046
Max. axial load on output shaft (operating, impulsive load)F66 N 
P-047
Max. radial load on input shaft (non-operating, constant load)F25 N 
P-048
Max. radial load on input shaft (non-operating, impulsive load)F8 N 
P-049
Max. radial load on input shaft (operating, constant load)F11 N 
P-050
Max. radial load on input shaft (operating, impulsive load)F8 N 
P-051
Max. axial load on input shaft (non-operating, constant load)F49 N 
P-052
Max. axial load on input shaft (non-operating, impulsive load)F15 N 
P-053
Max. axial load on input shaft (operating, constant load)F147.5 N 
P-054
Max. axial load on input shaft (operating, impulsive load)F61 N 
P-055
Moment of inertiaI28 * 10-4 gcm2 
P-056
Weightm4 g 
P-057
Min. permissible ambient temperature (non-operating)T-80 °C 
P-058
Min. permissible ambient temperature (operating)T-20 °C 
P-059
Max. permissible ambient temperature (non-operating)T150 °C 
P-060
Max. permissible ambient temperature (operating)T120 °C 
Material information
Number Parameter Symbol Value Hint
P-900
RoHS compliant yes  
P-901Lubrication of output bearing gearbox Longtime PD2  
P-902Lubrication of input bearing gearbox Longtime PD2  
P-908Material of gear component set NiFe  
P-909Material of output bearing gearbox 1.4108 DIN EN  
P-910Material of input bearing gearbox 1.4108 DIN EN  
P-912Material of gearbox output side 1.4305 DIN EN  
P-913Material of gearbox input side 1.4305 DIN EN  
P-029 - Running torque characteristic

Technical Drawing

MaalonDrive® Hollow 8mm - Type 1
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