Schunk was displaying a wide variety of products at the 2010 Machine Building & Automation exhibition, several of which had not been seen in the UK before. These included a pick-and-place unit, vision sensors, microvalves and miniature grippers.
Schunk's PPU-E30 pick-and-place unit has been designed as an integrated unit from the outset, rather than being multiple single-axis devices connected together. Linear motions are electrically operated, with a pneumatic gripper and the option of an additional (pneumatic) rotary axis between the Z axis and the gripper. Capable of very high speeds and accelerations, the PPU is claimed to be "The world's fastest pick-and-place" (for a unit of this type).
To make integration as simple as possible, the compact unit also incorporates the drives so the machine builder or system integrator just has to make the electrical and pneumatic connections, all of which are grouped together at the rear. PPU units can be used singly or mounted next to each other.
Three sizes are available, with rated flows of 45, 135 and 175 Nl/min. Furthermore, a modular design means that the valves can be enhanced with flow restrictors and silencers. Where, for example, banks of grippers need to be used, a manifold block can be used so that a single air supply is required, yet the micro valves can operate the grippers independently.
Designed primarily for placing electronic components, but equally suitable for handling other small parts, Schunk's latest miniature grippers are just 10mm wide. Customers have a choice of parallel or angle types, and the tiny grippers even incorporate rolling element bearings and position sensing. The parallel gripper has a stroke of 1mm.
Follow the link to find out more about Schunk's latest automation innovations.
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