Pulleys

Using a pulley, you can lift or move heavy items using less force than would otherwise be necessary. That can simply be by manual effort or, more usually in an industrial context, by using the power of machinery. If you do need to lift heavy loads on a regular basis, there is a wide range of possibilities to buy a pulley online from us.

How Pulleys can Work for You

Pulleys are referred to by scientists as simple machines since they can multiply the force that’s produced by a person or an engine. In effect, they allow that person or engine to lift a bigger mass (commonly and mistakenly referred to as weight) than would otherwise be possible. They work on a similar principle to a seesaw where a person sitting twice as far away from the fulcrum (the balancing point) as someone on the other end who is twice as heavy can achieve a balance between the two. Sitting even further away means the heavier person will be lifted by the lighter one.

Having an aluminium pulley with a rope around a single wheel reverses the direction of lifting force so it is necessary to pull down on the rope to lift an attached item. Lifting the weight one metre requires the rope to be pulled down one metre with a force equivalent to the mass of the item. Looping the rope around two wheels, however, gives a mechanical advantage of two because only half of the force has to be applied to lift the same mass although the rope has to be pulled twice as far due to the mass being supported by both wheels.

Adding further wheels applies the same formula. Thus, a four-wheel pulley system requires only one-quarter of the force to lift a given mass, but the rope has to be pulled four times the distance the item is to be lifted. This is due to the law of physics that states the same amount of energy has to go in as is got out.

Buying a Pulley System For Sale for Efficient and Reliable Operation

You may not be too concerned about the principles of how a pulley works but simply that it does. In an industrial situation, you need a pulley to haul up equipment, products or people and you need to do it repetitively, safely and reliably. So, you need a pulley system that’s suitable for the job and is efficient, cost-effective and durable.

Many pulleys are referred to as block and tackle systems although there are plenty of variations of types, sizes and capabilities for manual and automated systems. We can supply pulleys to connect different parts of a machine so it can perform lifting operations or transmit power elsewhere.

If you have a project in mind, just get in touch and we’ll help you to do it successfully. We like a challenge and we’ll be as satisfied as you are when we complete it successfully. You can just contact us for different types of industrial and automotive parts including:

• Roller Bearings
• FRAS Belts
• Agricultural Chains
• Ball Bearings
• Worm Gearbox
• Trailer Bearings
• Marine Bearing Kit
• Industrial Electric Motors
• Single Phase Electric Motors
• 3 Phase Motors
• Roller Chain
• Industrial Chain
• Agricultural Chains and Sprockets
• Bearing Retaining Compound