Optimizing Motor Pulley & Rope Combination for High Speed

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SUMMARY

The forum discussion centers on optimizing a motor pulley and rope combination for high-speed applications, specifically at a rotation speed of 70 km/h. Users suggest using eyelet bolts for maintaining rope orientation, but concerns arise regarding potential rope overlap and slippage. Alternative solutions include the use of slip guides and polypropylene wedges to prevent overlapping during operation. The primary goal is to ensure the rope remains properly positioned under tension while lifting a weight of 80 kg.

PREREQUISITES
  • Understanding of mechanical systems involving pulleys and ropes
  • Familiarity with tension dynamics in high-speed applications
  • Knowledge of materials such as polypropylene and Teflon for friction reduction
  • Experience with basic mechanical design principles for optimizing performance
NEXT STEPS
  • Research the design and application of slip guides in pulley systems
  • Explore the use of polypropylene wedges for guiding ropes in high-speed scenarios
  • Investigate multi-groove sheaves and their limitations in rope applications
  • Learn about spring-loaded mechanisms to enhance rope pressure against pulleys
USEFUL FOR

Mechanical engineers, project managers in robotics, and anyone involved in designing high-speed pulley systems for lifting applications.

  • #31
If it is "one big rope loop" running between two sheaves, why not use a belt?
 
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  • #32
sorry according to the original post they have it running at 70 mph not 70 rpm
 
  • #33
Actually it is 70 km/hr. which is about 43.5 m/hr.
 

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