Patent ID: 8894054
Filing Date: 2014-11-25
Classification: B23Q,B25B,B65G,Y10T

Abstract:
1. A device for stiffening a large, thin workpiece having low inherent stiffness, the device comprising: a clamping plate having at least three layers that include a first outer layer that is a back layer, a second outer layer that is a contact layer, and an intermediate layer sandwiched therebetween; a seal; at least one suction device that serves as a holding means to hold the workpiece against the contact layer; and a suction connector that is connected to a vacuum system; wherein a plurality of air channels extend through the contact layer and into the intermediate layer; wherein the back layer is bendable; wherein the seal delimits a holding area on the contact surface and provides a seal against the workpiece when the workpiece is placed against the contact layer; and wherein the suction connector provides a negative pressure in the air channels in the holding area, so as to hold the workpiece against the clamping plate by means of suction.