I d like to apologize for any grammar or english errors becau.
Counter weight door system.
They are ideal when security is essential where noise or temperature control might be an issue where you need a minimal internal or external projection and.
Its purpose is to make lifting the load more efficient which saves energy and is less taxing on the lifting machine.
In these applications the expected load multiplied by the distance.
Welcome to my first instructable.
A theatrical counterweight system provides a simple mechanical method of raising and lowering various balanced loads by a system of pulleys and weight carriages.
An overhead door system employs counterweights which operate through cables connected to a drum which tapers from one end to the other so that the effective force acting on the door in the opening direction is reduced as the proportion of the weight of the door to be supported reduces.
This allows for smooth operation of large heavy doors and an unlimited cycle life.
The system is adjustable readily to accommodate different types of doors having different opening.
A counterweight garage door doesn t need a tracking system which reduces its maintenance and it operates on a simple remote control mechanism that sits to one side of the opening.
35 feet and wider doors are shipped with a weight counter balance system.
As the scenery and equipment loads are varied the amount of counterbalance is adjusted on the weight carriage so that the system can be raised and lowered with a minimum amount of effort.