公开(公告)号：US20210129462A1

公开(公告)日：2021-05-06

申请号：US17145903

申请日：2021-01-11

Applicant: Safran Nacelles

Inventor： Clément ROLLAND ,  Jean Baptiste DELARUE ,  Jean Jacques THOMAS ,  Vianney HUS ,  Mathieu PREAU ,  Alain ROUSSEL

IPC: B29C70/54 ,  B32B3/12 ,  B29C70/48

Abstract: The present disclosure concerns a method for manufacturing a composite panel including a cellular central core interposed between two skins. The manufacturing method includes the steps of manufacture of an element with a cellular structure comprising a cellular core structure interposed between two layers of structural plies intended to form the skins, positioning of the element with a cellular structure within a mold, formation of drains on either side of the cellular core structure, infusion of the element with a cellular structure so as to impregnate it with a resin, carrying out a draining of the resin through the drains in the element with a cellular structure during the infusion step, the drains having a geometry configured to provide draining, and polymerization of the impregnated element with a cellular structure to form the composite panel.

公开(公告)号：US20240083121A1

公开(公告)日：2024-03-14

申请号：US17767711

申请日：2020-10-07

Applicant: SAFRAN NACELLES

Inventor： Clément ROLLAND ,  Benjamin PROVOST ,  Maxime LEBEGUE ,  Renaud VENTURE

IPC: B29C70/38 ,  B29C70/54

CPC classification number: B29C70/38 ,  B29C70/54

Abstract: A machine for automatically draping and compacting including a draping head that grasps, deposits and compacts fiber plies on a draping support, the draping head including first and second rigid supports and a gripper including a piece of elastically deformable material having a face to grasp a ply and intended to bear against a draping support surface. The first and second supports are connected to, respectively, a robotic handling device and to the first support and to the gripper. The draping head includes bearing force or pressure measuring elements between the first and second supports or housed in the first support. A control unit is connected to the bearing force or pressure measuring elements to monitor a compaction bearing force or pressure applied by the draping head.