Vacuum Components

Solar Cell Wafer Gripper SWG

Our highlights » Your advantages

• Large contact area between wafer and gripper with maximum holding force
  
• High speed, high accuracy handling for cycle times < 1 second
  
• Moderate air consumption
  
• Less operating cost than Bernoulli grippers
  
• Low vacuum level
  
• Minimal torsional forces and minimal conchoidal fracture risk
  
• High throughput vacuum generation
  
• Reliable gripping and handling even of deformed and broken wafers
  
• Controlled air discharge
  
• No contamination of working range with silicon dust or fragments
  
• Rapid venting of vacuum chamber
  
• Precise positioning and very short cycle times
  
• Gripper surface optionally made of PEEK (Polyetheretherketone)
  
• Minimal surface contamination and reduction of blind spots
  
• Modular concept with various surface materials, sensors, and optional shock absorption elements
  
• Optional breakage detection through backlit gripper surface
  

Applications

• Extremely fast, reliable, precise and gentle handling of silicon wafers and cells
  
• Loading and unloading of stacks and conveyor belts
  
• High accuracy positioning during and after the visual inspection process
  
• “In flight” check for broken wafers during handling
  
• Fully or partially automated production of silicon PV cells with maximum process stability, production line uptime, cell efficiency, and line output
  

Construction

• Low weight plastic components
  
• Modular design of contact surface, vacuum generator, blowoff unit, robot interface, sensors and optional features
  
• Gripper sizes available for standard cell sizes 125 mm and 156 mm, semi square
  
• Various contact surfaces available
  
• Integrated pneumatic vacuum generation with high throughput and controlled air discharge
  

Additional Information

SWG.flv (2.2 Mb)