Vacuum lifters can be hung from a crane, attached to a forklift, to a truck-mounted crane or to an elevated working platform (cherry picker). Several hydraulic functions integrated into the vacuum lifters allow panels to swing up and down, be raised and lowered, twist left and right, or move forward and backward horizontally.
Minicranes & Spider cranes
One of the best options is to use a vacuum lifter attached to a minicrane or spider crane. These minicranes can be used for mounting curtain wall units from the floor above, or for mounting glass in a skylight from the atrium below.
The dimensions of a minicrane when its legs and arm are folded are really minimal, allowing the smallest minicranes to be lifted inside an elevator.
Some special devices can solve typical installation problems. One of them is the presence of overhangs in high level installation works. If a cantilevered slab prevents cranes from lowering their load flush with the envelope, an overhang beam provides an ingenious way of overcoming the problem. An overhang beam for example provides a reach from suspension point to pad extension that allows glazing under overhangs up to a depth of 1,750mm.
All the options of cranes and minicranes can be checked (and hired, if you need them) at minicrane-hire.com
Glass lifting questions:
- Which lifting device do I need for my load?
- How many suction cups are required considering the glass dimensions?
- Is suction lifting really safe?
Depending on the application and the device, the load bearing capacity of a vacuum lifter varies between 250 kg and 1,000 kg. Vacuum lifting devices suitable for construction sites must be battery powered and therefore completely self-sufficient. A safety system inside the device constantly monitors the condition of the vacuum circuit and the batteries. Optical and acoustic warning signals give early indication of deviations from the normal conditions. A reserve vacuum system maintains load bearing capacities even in the event of a loss of power, so that there is enough time to safely deposit the load once an alarm goes off.
Vacuum lifting is often the ideal solution to moving materials – in a number of different scenarios.
Technology has developed rapidly, to the point that vacuum lifters are used regularly in the construction industry, facilities management and in many manufacturing processes.
What are the benefits of using vacuum lifters over other methods and technologies?
- Vacuum lifters reduce the risk of damaging the materials being manipulated. For glass handling, this is especially important
- In relative terms, they also increase productivity. Vacuum lifters can speed up materials handling
- Using vacuum lifting techniques is safer than manual handling and allows materials to be delivered and placed with far greater precision
- Vacuum lifters have developed rapidly and can now lift serious loads, safely and with ease.
What this means is that many of the vacuum lifters supplied by Glass Lifting for hire, can be used to handle glass, and adapted for many other materials.
Take a look at some of our glass lifting projects...
Calculating glass weight (kg)
Example: 3070mm x 2150mm x 10mm
Becomes : 3.07m x 2.15m x 10mm x 2.5 = 165 kg
If the unit of glass is double or triple glazed, the thickness of each leaf of the unit should be added together and treated as a single leaf. Remember, never add the air space. Finally with double glazed units, a further 2% of the total needs to be added to the weight to include the frame (spacer bar) and if it is a framed unit a further 5% is added.