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ALICE Central Chamber Mechanical Tolerances and Aperture Approvals. New ALICE Central Chamber t=0.8 mm Ø ID =38 or 32.4 mm E=303 Gpa (Be), 69 Gpa ( Alu ) ν=0.07 (Be), 0.33 ( Alu ). ( Aluminium ). ( Aluminium ). (Beryllium). IP. Self weight.
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ALICE Central Chamber Mechanical Tolerances and Aperture Approvals
New ALICE Central Chamber t=0.8 mm ØID=38 or 32.4 mm E=303 Gpa (Be), 69 Gpa (Alu) ν=0.07 (Be), 0.33 (Alu) (Aluminium) (Aluminium) (Beryllium) IP Self weight Support in place for 3 support config. and removed for 2 support config. 300 83 5140 2530 5272.5
Mechanical Tolerances Mechanical Construction (straightness & circularity*) Sag when installed *From current manufacturers tolerances, straightness is defined as 0.15 mm/m multiplied by max unsupported length Circularity is defined as 0.1 mm on radius
ALICE New Mechanical Tolerances 38 mm ID – 3 supports 38 mm ID – 2 supports
ALICE New Mechanical Tolerances 32.4 mm ID – 3supports 32.4 mm ID – 2 supports