Low-backlash gear Ket-Motion 2020 DS

with turntable

Description

A low-backlash, maintenance-free worm gear unit for demanding applications in positioning or for high-precision measuring tasks. The housing is encapsulated to prevent the escape of grease and the ingress of dust. The direction of rotation on the shaft is arbitrary.

Special features

• Maintenance-free grease lubrication 
• Housing: Aluminium anodized (Zinc housing on customer request)
• Reduction ratios of 65:1 in standard (Other reduction ratios also possible on request)
• Backlash:
  < 0.05° (3‘) to M_Drive = 0.1 Nm
  < 0.5° (30‘) to M_Drive = 1 Nm
• Duty cycle of 10 % at 5 min (0.5 min ON, 4.5 min OFF)
  
• Lifetime of 1,000 hours with:
  • full load and 
  • input speed of 100 rpm and
  • duty cycle 10% with 5 min and
  • ambient temperature 20 °C

Technical notes

• Variant with turntable: Permissible forces on drive side F_A= 1,500 N
• The positions of the feather keys as standard in variant D are not in line. Possible on enquiry if needed