Mechanical Design CRaTER and the Electronics Assembly. Matthew Smith Mechanical Engineer (617)-252-1736 [email protected] June 27,2005. Mechanical Design CRaTER. Crater integrates two sub-assemblies: the Telescope Assembly and the Electronics Assembly.
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the Telescope Assembly and the Electronics Assembly.
J1 9 Pin D-Sub Male 311409-1P-B-12
J2 9 Pin D-sub Female 311409-1S-B-12
J3 1553, BJ3150
J4 1553, BJ3150
Mounting Hardware - Six #10-32 SHCS
Surface roughness of 63 micro inches or better for interface surfaces.
Mounting surfaces have Electrically Conductive finish (MIL-C-5541 Cl 3)
PART OF MID DRAWING NUMBER 32-02003.02
(MS= Allowable Stress(or Load)/(applied Limit Stress(Load)x FS-1)
(Bottom Cover Not Shown)
The Electronics Assembly will meet all these requirements.
(Simply supported on 4 sides.)
MASS PROPERTIES (FROM TIM in APRIL)
Analog board 750 1.7
Digital board 1100 2.4
..interconnect cables A/D 30 0.1
Mechanical enclosure 1150 2.5
interconnect cables 240 0.5
Detector Board (3 total) 180 0.4
TEP Package (2 total) 172 0.4
Detector Mechanical enclosure 700 1.5
Crater Total4322 9.5
Reserve 30% 1296 2.8
Total Max 5618 12.4