100 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. performances mechanical and electrical materials and finishes mating/demating forces mechanical mass ?< 180 g for oru plug ?< 95 g for receptacle oru plug misalignments ? ? = 0,9 (movement around the x axis) ? ? = 0,9 (angle authorized between the panels) ? = 1,95 mm (plane movement according to y and z requirements) oru receptacle overstroke ? x 1,5 mm electrical contact resistance as per mil-dtl 39029 components material finish shells (receptacle & plug) aluminium alloy 7075 nickel plating inserts - insulator epichlorhydrile + polyal + glass fiber - or polyetherimide resin - grommet silicone contacts see contacts l.i.f. see contacts l.i.f. contact retaining clip copper alloy - receptacle & plug bottom plate and mechanical parts aluminium alloy 7075 nickel plating springs stainless steel - mating force (n) (2) demating force (n) 25l-3 62 52 25l-7 84 63 25-19 125 102 25-20 (1) 161 158 25-35 142 116 25-61 110 84 connector lsd (*) (1) configuration 3 # 16 optical contacts + 3 # 16 electrical contacts (2) at room condition before compliance mechanism acting. (1) lsd : l auching s ecurity d evice circular robotic connectors 8977 series
101 circular robotic connectors 8977 series 8977-09a plug 178 1 # 8 (pc) 8977-10a receptacle 92 2 # 4 (pc) 8977-11a plug 187 7 # 8 (pc) 8977-12a receptacle 96 8977-15a plug 177 19 # 12 (pc) 8977-16a receptacle 87) 8977-17a plug 177 10 # 20 (pc) 13 # 16 (pc) 8977-18a receptacle 87 4 # 12 (cc) 3 # 8 (cc) 8977-19a plug 174 128 # 22 (sc) 8977-20a receptacle 81 8977-13a plug 169 61 # 20 (sc) 8977-14a receptacle 77 8977-31a receptacle 70 23 # 20 (pc) 8977-32a plug 135 20 # 16 (pc) 8977-25a lsd-p 86 for plug 8977-24a lsd-r 11 for receptacle souriau type mass in gram insert layouts male insert part number (with contacts) qty type (in front view) part number / characteristics 25l-3 25l-7 25-19 25-20 25-35 25-61 25-43 (pc) : power contact ; (cc) : coax contact ; (sc) : signal cotnact
102 dimensions for quick disconnect (qd) connector receptacle plug circular robotic connectors 8977 series
103 dimensions for launching security device (lsd) lsd receptacle lsd plug circular robotic connectors 8977 series
104 presentation & configuration for coupling receptacle & plug before mating after mating 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 th e 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 confor- mance with the receptacle ones. the axial movement induces engagement of the plug shell key in the plug receptacle keyway, its entry cone inducing the rotatio n of plug shell around the x axis. at the end of the total connection, plug comes to touch the internal face of the receptacle. the relative axial movement contin ues, which induces the displacement of plug shell comparatively to the flange fixed on panel. this displacement of plug shell compresses t he spring in external casing. the minimum guaranteed overstroke is 1,5 mm. the launching security device is designed to catch the floating connector plug shell during the flight. its two principal parts are respectively fixed with plug and receptacle flanges. lsd side is fixed on plug flange. the plug shell is blocked by two arms and the system is locked by the cylinder rocker bar. the lsd arms prevent plug shell movements caused by vibrations and acceleration during the launch. when the coupling of the two parts happens, the finger of receptacle part pushes the cylinder rocker bar which releases the arm s and libe- rates plug shell. at this point, the mating occurs as described above. the lsd in unlocked position will necessitate an external and manual action to be locked again on plug shell. connector with launching security device (lsd) circular robotic connectors 8977 series
105 panel cut-out without launching security device (lsd) crimping, insertion & removal tools for contacts plug receptacle qd connector with launching security device (lsd) plug receptacle # 22 pin m 22520/2-01 m 22520/2-09 m 81696/14-01 socket m 22520/2-07 # 20 pin m 81696/14-10 socket # 16 pin m 81696/14-03 socket # 12 pin m 81696/14-04 socket # 8 pin m 22520/23-01 m 22520/23-09 m 81696/14-12* socket + m 22520/23-02 # 4 pin m 22520/23-01 m 22520/23-11 m 81696/14-07* socket + m 22520/23-04 # 8 coax pin m 22520/1-01 c31-sn 1891 8660-197* (1) socket + m 22520/5-01 + m 22520/5-45 (jaws) k103 m 22520/1-01 m 22520/1-04 size contacts contact crimping tools positioner insertion & removal plastic tools circular robotic connectors 8977 series
106 connecting stroke era model in the frame of space station alpha program, souriau has developed a series of high relia- bility 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 8977 series
107 dimensions (mm) ?era receptacle ?era plug ?layouts 3 # 8 triax 2 # 12 coax 31 # 20 61 # 20 25-hy 25-61 circular robotic connectors 8977 series
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