Vacuum Lifts: Beneficial, Efficient And Safe
by
Hershel Hartman
Hoisting devices are essential equipments in construction, warehousing and other material handling environments. Making light work of tasks that otherwise require heavy manual labor, they cut down time, increase efficiency and pose less risk to injury.
Most hoisting mechanisms use a pulley to lift materials. This is a tried and trusted hoisting method. However, fragile materials prone to damage can easily break when using standard hoists. A newer technology that ensures less damage is vacuum lifting. Rather than use the usual gripping tools, it relies on powerful suction cups attached to vacuum tubes.
Vacuum hoists are versatile in that they can be attached to different equipments. They may also be installed as mobile lifting systems or stationary mounts. This flexibility makes them easy to use whether for lifting compact materials or bulkier goods.
Advantages of vacuum lifts
It\\’s a fact that manual lifting puts heavy strain on the body especially the back. Repetitive strain injury is a common condition suffered by people who engage in manual labor. Since vacuum lifts are designed to handle small to large loads, they remove the risk of suffering from this condition. This means productivity is increased, there\\’s less chance of employees calling in sick for work and speed and consistency of operation are maintained.
Where chains and slings are used in traditional hoisting devices, there\\’s a greater risk of damaging fragile materials. Not only is this a waste of resources but a big waste of money too. Vacuum lifts are gentler as suction cups don\\’t leave marks and dents.
Vacuum lifts use non-return valves. In the event of a power failure, there\\’s a minimal chance of goods being dropped.
Similar to a vacuum cleaner that comes with hoses and nozzles, vacuum lifts also have different attachments. These attachments provide a greater range of motion and power options to maneuver around confined spaces and tricky spots. Every lift has a set of attachments to suit different types of work and environments. What\\’s more, custom tooling can allow users to make even better use of vacuum lifts. Operators can also switch between vacuum grippers and mechanical hooks if a task demands it.
If vacuum lifts are being selected for the first time, consulting with application engineers will make the selection process easier. Not all lifts are created the same and technical differences matter.
Vacuum lifts have a handling capacity of only 5 lb to over 600 pounds. This range may lead one to think that purchasing a powerful system for all load sizes is wise. However, large systems used on small loads may not run smoothly. The same is true for small lifts attempting to be used on larger loads.
Size aside, some vacuum lifts are designed for porous and non-porous loads. Using the wrong system can result in unsafe operation and reduced efficiency. Another point to consider is gripping force. The force should always be greater than the load\\’s weight to prevent drops. This principle applies even to loads of only 5 or 6 lbs. To match this gripping force, the pads must have a seal surface area twice that of the vacuum tubes. This ensures better grip and a reduced risk of loads peeling and dropping.
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