GRABO Quality Engineering
GRABO technology is committed to making heavy lifting made easy. By driving innovation in the international handheld vacuum suction cup industry, our top-tier electric suction cup tools are revolutionizing how people lift and move materials across the globe.
Professional Vacuum Lift Tools for Moving Almost Anything
GRABO technology is designed to make heavy lifting easy. We’re disrupting the international handheld vacuum suction cup industry with each new innovation. GRABO’s top-line electric suction cup tools are transforming how people lift and move materials, delivering positive change worldwide.
We’re proud to have R&D engineers across the globe, from Shenzhen to San Francisco, Israel to Hong Kong. Our experts are dedicated to developing groundbreaking tools that simplify everyday processes.
The following innovations have established our reputation:
- High-End Technology: Our tools feature marine-grade sealing and fabrication components, incorporating electronics similar to those found in drone technology.
- Patented Vacuum Lifting Technology: Our unique tools offer anti-slip grip and effortless lifting capabilities for a wide range of materials.
- Ergonomic Long Reach Extensions: These extensions make lifting easier and more ergonomic.
- Intelligent Tools: Equipped with digital sensors, our products inform users of lifting capacities.
- Remote Operation: Multiple GRABOs can be controlled remotely via add-ons.
- High-Flow Vacuum Pumping: Ideal for lifting dry cast materials and porous tiles.
Keeping a seal against porous materials.
Porous surfaces, such as wood, concrete, and ceramics, are challenging to lift due to their small holes that let air pass through, making it difficult for standard suction tools to form a reliable seal.
While typical suction works on flat, smooth surfaces, it often fails on porous materials. GRABO’s vacuum lifter technology addresses this challenge by using patented air-balancing technology, producing more air during lifting than escapes through gaps.
Designed with Murray’s Law principles—mass variation, power transfer, and molecular diffusion—GRABO tools are engineered for optimal performance. By calculating the required pump strength based on flow rate and surface area, our tools handle even the most complex surfaces with ease.
The flow rate required by GRABO to maintain a strong vacuum seal on a porous surface is determined using a formula based on generalized Murray’s law.
where the X is the ratio of mass variation during mass transfer in the parent pore, the exponent α is dependent on the type of the transfer. For laminar flow α = 3; for turbulent flow α = 7/3; for molecule or ionic diffusion α = 2; etc.
Users of GRABO don’t need to worry about the engineering details. What matters is that GRABO is designed to perform effectively on many common porous materials in the industry.
What is a Vacuum Gripper (GRABO)?
A vacuum gripper consists of a rigid base element and a loop-shaped vacuum seal element. The base has two sides: the seal element is indirectly attached to the second side and extends outward. This seal has a contact surface that partially touches an object and an encircling surface perpendicular to it, forming a chamber. The seal can deform to conform to the object's surface when pressed.
The vacuum gripper includes an air extraction mechanism on the first side, connected to the chamber, which continuously removes air to create a strong grip on the object when pressed. This describes GRABO’s core technology—an electric vacuum gripper that securely attaches to various surfaces using a powerful air pump and specialized sealing technology.
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