Worm gear reducer Ket-Motion 2020 K

with splined shaft connection

Description

Universally usable and maintenance-free worm gear reducer with an axis distance of 20 mm and with nine different reduction ratios. The aluminium or zinc housing is encapsulated to prevent the escape of grease and the ingress of dust. The worm gear pair is left-handed. The direction of rotation on the shaft is arbitrary.

Special features

• Axis distance 20 mm
  
• Maintenance-free grease lubrication 
• Aluminium housing, anodized or Zinc housing in a material-saving design
• 9 reduction ratios of 1:1 to 65:1
• Backlash on the drive shaft 1° ± 0.5°, (for i=1:1 2°± 0.5°)
• Duty cycle of 20 % at 5 min (1 min ON, 4 min OFF)
• Lifetime of 1,000 hours with:
  • full load and 
  • input speed of 500 rpm and
  • duty cycle 20% with 5 min and
  • ambient temperature

Variant key

• The Worm gear Ket-Motion 2020 D is available in different variants. The variants are composed in accordance with the ordering code shown on the data sheet.

Technical notes

• Variant with splined shaft connection: Permissible forces on drive side F_A= 120 N at F_R= 0 N and F_R= 120 N at F_A= 0 N
• The positions of the feather keys as standard in variant D are not in line. Possible on enquiry if needed