Special grippers can be used for applications in which regular suction pads cannot generate a vacuum. We offers a variety of special grippers with various shapes, sizes and principles of operation.
Special Grippers
Floating Suction Cups
Highlights
- Floating suction cup for handling and separation of extremely thin workpieces without permanent deformation (e.g. film, paper, wood veneer)
- Handling of very porous workpieces (e.g. printed circuit board)
- Handling of highly sensitive workpieces (e.g. wafer, solar cells)
- Integrated vacuum generation on the Bernoulli principle
- Suction cup "floats" on an air cushion
- High volume flow rate at a low vacuum
- No air is drawn through the workpiece
- Elastomer buffer made of HT1 on the bottom side
- Optional with central support (additional HT1 buffer)
Benefits
- Operating without ejector
- Low-contact handling
- Very good compensation of leakages
- Reliable separation of thin, porous workpieces
- Absorption of lateral forces
- Safe handling of wafer and solar cells
Magnetic Grippers
Highlights
- Magnetic gripper for handling of perforated metal sheets, complex laser-cut workpieces and metal sheets with holes and apertures
- Handling of ferromagnetic workpieces
- Safe gripping by a permanent magnet
- Compact and lightweight design
- Easily replaceable friction ring
- Optional side connection for tooling
- Option to interlock two magnetic grippers (HTS...D)
- Piston control (only in series SGM-S in PNP or NPN version with IO-Link)
Benefits
- No electric power required
- Minimal space requirements, low total weight
- High shear forces can be achieved
- Flexible mounting options
- Optimal for oblong workpieces
- Recognition of piston position via Hall effect sensor
Needle Grippers
Highlights
- Needle gripper for handling non-rigid and highly porous materials (primary textiles)
- Intersecting needles and small gripping area
- Needle stroke adjustable using definable process profiles
- Stroke can be adapted for each cycle; unlimited number of stroke sequences possible
- Compressed air connection for quick and accurate depositing using blow-off pulses
- Continuous stroke monitoring
- IO-Link interface
- Quick and toolfree cleaning of the needles and replacing the needle modules
- Low power consumption
Benefits
- Safe handling, even of small and very unstable workpieces
- Individual adaptation to different workpiece geometries
- Allows handling of single layers and complete stacks with just one gripper
- High level of process reliability; short cycle times
- Comprehensive process control
Wafer Grippers
Highlights
- Wafer gripper for extremely fast and gentle handling of wafers and solar cells in the production processes
- Low overall height and operating weight
- Optimum allocation and dimension of the suction points
- High suction rate even for partial coverage or leakages
- Exhaust air channels for controlled air discharge
- Quick object release
- Gripper surface made of PEEK (Polyetheretherketone)
Benefits
- High speed, high accuracy handling for cycle times below one second
- Less operating cost
- Reliable gripping and handling, even for deformed, broken or perforated wafers
- No contamination of process area
- Precise positioning and very short cycle times
- Minimal surface contamination of the wafer and reduction of blind spots
Flow Grippers
Highlights
- Gripper solution for handling products whose surface, porosity or geometry require a high suction flow rate
- For delicate plastic parts, assembled printed circuit boards, textiles and composite materials
- Gripper can be mounted axially or laterally
- Integrated vacuum generation
- Very high flow rate
- High performance with minimum air consumption
- Controlled discharge of drawn-in air
- Dirt-resistant vacuum generator
- Suction cup with highly flexible sealing lip
Benefits
- Flexible connection options
- Compact, ready-to-connect gripping unit
- Secure gripping, even on porous materials
- Low operating costs
- No contamination of the process area
- Long service intervals
- Highly textured surfaces can be gripped
Thin Glass Grippers
Highlights
- Special gripper for gentle handling of thinnest glass
- Suction area made of the mark-free material PEEK
- High suction capacity and large effective suction area
- Active blow off function
- Full-surface gripping with a low vacuum level
- Low compressed air consumption
- Optional use of Bernoulli modules and suction cups
Benefits
- No contamination of the glass surface
- Safe and precise handling in high dynamic processes
- Fast and exact depositing
- Minimum surface pressure for a very gentle handling process
- Minimum operating costs
- High engagement distance
Feed Ejectors
Highlights
- Gripping of very porous materials such as foams, textiles, paper and various recycling materials
- Special ejector with straight vacuum passage for very high volume flow rates at low vacuum values
- Various models with different performance figures
Benefits
- Handling of very porous materials and low-loss transport of bulk goods; high efficiency
- Optimum range of sizes for all applications
Vacuum Lifting Cylinders
Highlights
- Vacuum lifting cylinder for handling and separation of paper, veneer and similar thin, porous workpieces when mounted vertically
- Vacuum-actuated, automatic lifting
Benefits
- Reliable separation of thin, porous workpieces