With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
We have a be nice comment policy. Please be positive and constructive.
We noticed you attached photosto your comment.
Pulley's are used to evenly balance the counterweight and the elevator car(which carries the passenger or metal box). Pulley in elevators reduces the friction and which in turn reduces the strain on the electric motor. Due to which electric motor takes minimal power to rotate the sheave or pulley. If you any more doubts, just ready a really good article on
Basic Pulley Mechanisms
PulleyBot: A Pulley Driven Robot
Belle Maxi 140 Concrete Mixer overhaul
Designing a 3D printed beaded ball chain drive pulley for Stepper Motor NEMA 17 on Tink…
Fix a vintage radio tuner string
Sliding door secret compartment
A Working, Old-Timey Stirling Engine - Hand tools only!
Posted:Feb 18, 2011
Join 2 million + to receive instant inspiration in your inbox.
Download our apps!
© 2015 Autodesk, Inc.
By clicking "Create Account" you are indicating that you have read and agree to the Terms of service.
Already a member? Login »
Enter the email associated with your account and we will send you your username and a temporary password.
Not a member? Sign Up »
Want to go pro?
First step is to sign up.
By clicking "Sign me up!" you are indicating that you have read and agree to the Terms of service.