8977 Series
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Circular Robotic Connectors Electrical Contact resistance as per MIL-DTL 39029 In the frame of Space Station Alpha program, SOURIAU has developed and qualified a series of Quick Disconnect high reliability circular connector for robotic operations. This hardware is used as ORU interface on the JEM (Japanese Experiment Module Exposed) Facility which is part of the Japanese contribution to the Space Station. These connectors feature : • Low Insertion Force contacts • Thermal gradient compatibility • Integrated misalignement catching system • High durability (6000 operations) • High EMI shielding efficiency • Deep space environment (Atox) compatibility • Arrangements from MIL-DTL-38999. Mechanical Mass • < 180 g for ORU plug • < 95 g for receptacle ORU plug misalignments • Aa = ± 0,9° (movement around the X axis) • A|3 = ± 0,9° (angle authorized between the panels) • p = 1,95 mm (plane movement according to Y and Z requirements) ORU receptacle overstroke • AX > 1,5 mm (1) Configuration 3 # 16 optical contacts + 3 # 16 electrical contacts (2) At room condition before compliance mechanism acting.

Circular Robotic Connectors Part Number / Characteristics SOURIAU Part number Male insert (in front view) (pc) : power contact ; (cc) : coax contact ; (sc) : signal cotnact

Circular Robotic Connectors Dimensions for Quick Disconnect (QD) Connector Receptacle

Circular Robotic Connectors Dimensions for Launching Security Device (LSD) LSD Receptacle

Circular Robotic Connectors Presentation & Configuration for coupling Receptacle & Plug Before mating After mating During the mating operation, the receptacle comes up to plug. The front of plug enters in receptacle cone. When plug touches the cone, this induces a lateral movement of plug shell relatively to the flange fixed on panel. This movement stops when the plug shell axis is in conformance with the receptacle ones. The axial movement induces engagement of the plug shell key in the plug receptacle keyway, its entry cone inducing the rotation of plug shell around the X axis. At the end...

Circular Robotic Connectors Receptacle Panel cut-out Without Launching Security Device (LSD) Plug QD connector with Launching Security Device (LSD) Plug Receptacle Crimping, Insertion & Removal tools for contacts Size contacts

Circular Robotic Connectors ERA Model In the frame of Space Station Alpha program, SOURIAU has developed a series of high reliability circular connector for robotic operations. This hardware is used on ERA (European Robotic Arm) interface with ORU (Orbital Replacement Unit) and Russian Modules. These connectors feature : • Low Insertion Force contacts • Thermal gradient compatibility • Integral misalignment catching system • High durability (20.000 operations) • High EMI shielding effectiveness • Deep space environment (ATOX) compatibility • Hybrid layout.

Circular Robotic Connectors Dimensions (mm) • ERA Receptacle