Vision systems used to guide robots pose different challenges for manufacturers than vision systems used for part inspection. The biggest challenge is guiding robots in 2-1/2D applications, where guidance is used so the camera maintains a proper perspective of a part that is level but included in a stack.
Several manufacturers consider electromagnetic, or induction, welding a better way to weld highly filled thermoplastics than thermal or friction welding, or using adhesives.
Automakers are often the driving force behind the latest product and process innovations in assembly. Case in point: European automakers have been using flow drilling screws since 1996 to assemble body panels and chassis made of aluminum and thin materials-which continue to gain favor to make cars lighter.
Traditionally, manufacturers have relied on manual welding to assemble high-mix, low-volume products. But, more companies are turning to a new breed of flexible robots, software and controls.
Whether joining two wires together or attaching multiple wires directly to a terminal or assembly, engineers must choose between resistance welding, soldering and ultrasonic welding.
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