Home > Schmalz Vacuum tube lifter JumboErgo 35 available from Millsom Materials Handling

Schmalz Vacuum tube lifter JumboErgo 35 available from Millsom Materials Handling

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article image The vacuum tube lifter JumboErgo 35

Millsom Materials Handling , with an example, demonstrate how the loading of sheet metal working machines with vacuum handling devices can offer benefits.

A Laser Cutting Company manufactured circular saw blades for cutting wood, aluminium and steel. The company purchased a high-performance laser-cutting machine for fast and flexible production of the blanks from sheets of hardened steel with thicknesses of 1 to 5mm. These heat-treated steel sheets may be up to 1,000 x 1,500mm in size and weigh up to 12kg each, depending on their thickness. In the past, these sheets were lifted onto the table of the laser-cutting machine by one or two people. The blanks cut from the sheet and the remaining materials were also removed manually. This normal procedure can become hard work for the employees when they have to handle up to 100 such sheets per day. The work often results in unnatural movements and postures, which can endanger the health of the operators and even result in industrial accidents.

A plan was developed to make the loading and unloading of the laser-cutting machine much easier. The original objective was primarily to avoid accidents and damage to the parts, rather than to improve production by reducing the idle times of the machine. After a thorough analysis and consultation, the company decided to purchase a complete handling system for the metal sheets and the parts produced from them. An optimal solution based on modular components from the standard range of Schmalz, represented by Millsom Materials Handling in Australia and New Zealand, vacuum tube lifters JumboErgo with suction pads FM and a crane system. The maximum load specified was 35kg, and the monorail overhead crane system and the vacuum tube lifter JumboErgo 35 with double suction pad FM were designed to handle this load.

The monorail overhead crane was selected because it can cover a larger working area than a slewing wall or column crane and because it is mounted on the ceiling and therefore needs no columns or supports, which could get in the way. Furthermore, the quality of the floor in the factory building is immaterial and there is no need for expensive special foundations. The proven ease of movement of the crane system, which permits fast, safe and ergonomic traversing of the vacuum handling system and the workpieces makes the selected crane solution perfect for the task.

The monorail overhead crane can be moved over an area of 6 x 3.5m and carries a vacuum tube lifter JumboErgo equipped with a double suction pad FM. This double suction pad is ideal for the handling of workpieces where 100% coverage of the gripper area cannot be achieved. In addition, the two suction pads can be moved along the beam of the gripper to permit handling of sheets and blanks of varying sizes with one and the same gripper.

The work pieces are gripped and held quickly because the two FM suction pads have a soft, flexible and hard-wearing suction pad made of special foam. This also ensures careful handling of the blanks without damage. Last but not least, a powerful vacuum blower of the type SBL provides a continuous vacuum and this, together with the easy-moving crane, guarantees safe movement of the workpieces over the entire working area.

Only one operator is now needed to handle the metal sheets and blanks with the aid of the vacuum handling system. Handling is also much faster and safer, the idle times of the laser-cutting machine are far shorter, and the health of the operator is no longer subject to the risks of manual handling.

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