They locate the part at one operation (top set of grippers), and they grab the surface at later operation (bottom set of grippers.
gLike
Gripper Design 2

This project shows two design concepts for grippers that not only grip a part, but also locate it.

Both concepts are modeled using Fairlane tool steel grippers, and are modified to locate the profile on a hinge part.

Alex McMullen
Mechanical Engineering Co-op at MIDWAY PRODUCTS GROUP Findlay, OH