Safety is one of the main reasons for investing in vacuum lifting equipment. Compared to manual handling, vacuum lifting is not only much more efficient but also reduces or even completely eliminates many of the short-term and long-term health risks. With a vacuum lift, anyone can handle heavy loads without effort and in ergonomically correct positions. However, as with any material handling solution, it is important that the equipment is properly maintained and that the operator is trained on using vacuum lifters safely. This article is not a substitute for adequate training in vacuum lifting but is instead intended to demonstrate some of the key safety principles.
What Are the Hazards of Lifting?
Although vacuum lifting is one of the safest types of lifting, it is important to remember that any type of lifting does come with hazards, which is why proper training and use should be enforced to ensure everyone is using vacuum lifters safely.
As with other lifting equipment, one of the main hazards when using vacuum lifting technology is falling or laterally displaced goods. Extra care must be taken when lifting loads with a higher potential to cause injury, such as heavy objects.
It is also important to know that a vacuum lifting device is typically designed for specific materials and should not be used as a general-purpose lifting device. Even if a load is smaller and weighs less that what the lifter was designed for, it does not necessarily make it safe to lift. For example, the vacuum pump flow rate required to lift a small porous bag is higher compared to the requirements for lifting a significantly heavier steel sheet which has a less porous surface.
Using Vacuum Lifters Safely: General Guidelines
Any risks can be kept to a minimum as long as the lifting equipment is properly maintained and that the operator fully understands how to use it. Some general guidelines may include:
- An operator must never attempt a lifting procedure without being trained in safely using the specific vacuum lifting device.
- Always closely follow the instructions in the manual.
- Avoid using a vacuum lifting device to lift goods it isn’t designed to lift.
- When starting the lift, ensure that the system achieves a strong vacuum grip between the load’s surface and the suction feet.
- Be aware of the vacuum lifting equipment’s limitations – never exceed its maximum lifting capacity or attempt to lift multiple items at once.
- Do not use the vacuum lifter to move damaged loads, as this may result in an insufficient vacuum grip.
- Ensure that there is no possibility of a person being hit by displaced loads or stuck between loads.
- Do not leave loads suspended.
- Never allow people to pass beneath a suspended load.
- Stay clear of the area above the vacuum lifting handle and other manoeuvring parts. In the case of a very strong vacuum grip and quick evacuation of the system, loads may be lifted unexpectedly fast.
- Do not transport a load while suspended.
- Move vacuum-suspended loads at the lowest height possible.
- Ensure that your facility is prepared to deal with an accident.
- Never modify or attempt to repair the equipment without consulting a specialist.
- Keep the lifting system clean and dry. Avoid water coming into contact with the vacuum pump or electrical cables.
Maintenance – A Key Part of Workplace Lifting Safety
Vacuum lifting system modifications and repairs should always be performed by qualified service technicians, but routine inspections by the operator are also an important part of lifting safety. For best safety measures, these inspections should be carried out on a weekly basis by an operator of the TAWI Multifunctional lifter
- Make sure that the yearly service inspection date is valid.
- Check bolts and nuts for wear or damage.
- Check that the safety valve operates correctly. In the incident of a power failure, this valve automatically closes, and the load slowly sinks to the floor. A test is performed by gripping a load and turning off the vacuum pump. A controlled sinking motion should be observed.
- Check all connecting components, such as clamps, bolts and pins.
- Clean the air filters in the suction foot and filter unit. This action may have to be performed more than once a week if required by the working environment.
- Check the lift and air tubes for any signs of wear or damage.
- Verify that the lifting capacity, warning and operating signs are visible.
- Ensure that the lift runs smoothly in the jib rig or crane system.
- Verify that the operating valve is functioning properly.
- Test the device to ensure that it achieves its maximum lifting capacity. It should be able to hold its designated load easily. Reduced lifting capacity indicates a vacuum leak.
Other than routine inspections by the operator, a more comprehensive service is typically performed by an inhouse maintenance team or a service technician on a recurring but less frequent basis. If significant wear or damages are detected during an inspection process, lifting should be halted immediately until the device is repaired by qualified service staff. Contact the manufacturer when in doubt.
In summary, vacuum lifting is one of the safest alternatives in material handling as long as the operator is adequately trained to handle the equipment, and provided that the equipment is serviced according to specifications. This will allow for highly efficient, ergonomically correct and largely effortless lifting.
The vacuum lifter is an excellent lifting aid that makes material handling safe, efficient and easy. But to get maximum functionality out of your vacuum lifter, it must be equipped with the correct lifting tool. This enables you to lift your goods in the best possible way, but if you have several different devices, you can handle even more types of goods in your business. But how do you know which lifting tool is right for your products?
Manual handling is an ordinary and necessary task in warehouses and distribution centres. It involves the physical movement of materials, including lifting, lowering, pushing, pulling, and moving objects without the aid of machinery. While manual handling is a necessary part of the job, it can also be a source of injury and discomfort. Using the correct techniques and equipment is essential to minimize the risk of injury and maximize the efficiency of manual material handling tasks.
It is essential to be aware of the risks associated with manual handling and to take the necessary precautions to stay safe and healthy. In this article, we, therefore, will walk you through the most common manual material handling tasks in warehouses.
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