Presentation on theme: "Clamp 6 LMTs flangestrap Barrel 3 clamps showing gaps - see next pics for solutions. Trials with various types of packing were made at Geneva 27.1.03 Gap."— Presentation transcript:
clamp 6 LMTs flangestrap Barrel 3 clamps showing gaps - see next pics for solutions. Trials with various types of packing were made at Geneva 27.1.03 Gap 300- 400um Tapes slide along length in small gap. Large gap: tapes slide in any direction
clamp 6 LMTs flangestrap Solution 1 : glue 180um strips to inner recesses of clamp glue 400um strip onto barrel surface (same effect as strap) 180um strip 400um strip Advantage: every harness is the same
clamp 6 LMTs flangestrap Solution 2 : glue 180um strip to inner recess where there is a strap glue 580um strip to inner recess where there is no strap glue 400um strips onto inner radius of clamp either side of recess to stop LMT lateral movement 180um strip 400um strips Advantage: no extra work on barrel - Disadvantage: more material 580um strip
clamp 6 LMTs flangestrap Clamps for other barrels: no packing should be necessary except where there is a variation in LMT thickness and variation in strap thickness Recess 400um + thickness of LMTs Recess thickness of LMTs only Need to know strap thickness. LMT thickness is 1.78mm for 6 tape stack (this was measured maximum of samples of reject production tapes sent to UCL) A small radius on the inner corners of the clamp recesses may help clamping.
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