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1 Rail_test_system.pptx Aug 12, 2010 version. 2 TPC – Time Projection Chamber (main detector in STAR) HFT – Heavy Flavor Tracker SSD – Silicon Strip Detector.

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Presentation on theme: "1 Rail_test_system.pptx Aug 12, 2010 version. 2 TPC – Time Projection Chamber (main detector in STAR) HFT – Heavy Flavor Tracker SSD – Silicon Strip Detector."— Presentation transcript:

1 1 Rail_test_system.pptx Aug 12, 2010 version

2 2 TPC – Time Projection Chamber (main detector in STAR) HFT – Heavy Flavor Tracker SSD – Silicon Strip Detector IST – Inner Silicon Tracker PXL – Pixel Detector (PIXEL)

3 rail test system rail_test_system.SLDASM 3 8/12/2010 this document:

4 4 part/filecnfgmaterialsourcetotal # p. ref grf 1PIT_glue_plate_to_rail_hanger_free.SLDPRT6061UTA163 2PIT_end_fixture.SLDPRTPIT east end, PIT west end MIC6, 2inLBL & UTA1 each10, 11 3PST_end_fixture.SLDPRTeast, westMIC6, 2inLBL & UTA1 each11, 12 4 IDS_flange_alignment_pin.SLDPRT steelUTA413 5Tooling ball CL_1_SCBsteelCL83 6Tooling ball MC 8481A34steelMC363,15, 16 7tee_nut_custom_half_in_slot.SLDPRT1018 cold roll steel UTA2014 8PIT_base_fixture.SLDPRTPIT, PIT mid, PST MIC6, 2inLBNL1 each PIT_fixture_flex_lever.SLDPRT6061UTA43 11PIT_hole_fixture_end_addapter.SLDPRT6061UTA13 12PIT_hole_fixture_end_addapter_mirrored.SLDPRT6061UTA13 13dowel pin X.375 in, MC 98381A470steelMC4 14PIT_hole_fixture_beam.SLDPRT6061UTA1 parts list for assembly: rail_test_system.SLDASM

5 5 part/filecnfgmaterialsourcetot al # p. ref grph 15kin_cross_support.SLDPRT6061UTA315,37 16grand_master.SLDPRT6061LBL115,16, 17 17¼ in steel ball, precisionsteel18 shoulder screw, MC 90298A535steelMC6 19spring 6 lb, MC 9435K78steelMC6 20shoulder screw, 10-24, 5/8 in, MC 90298A39steelMC3 21spring 9 lb, MC9432K79steelMC3 22butch_plate_single.SLDPRT6061?UTA18 23grand_master_support_plate.SLDPRTMIC6UTA119 24dowel_pin_MC98381A471.SLDPRTsteelMC2 parts list for assembly: rail_test_system.SLDASM

6 PIT_rail_20mm_assembly.SLDASM (on test) 6

7 7 part/filecnfgmaterialsourcetotal # p. ref grph 25PIT_rail_20mm.SLDPRTeast v2CFLBNL421,22 26PIT_rail_20mm.SLDPRTmain v2CFLBNL1221,22 27PIT_rail_coupler_20mm_v2.SLDPRT6061UTA823,24,28 28PIT_rail_arm_20mm_v2.SLDPRT6061UTA823,24,27 29PIT_rail_arm_achor_post_v2.SLDPRT6061UTA821,24,26 30PIT_rail_hanger_ext_v3.SLDPRT6061UTA424,25 31PIT_rail_hnaager_ext_mirror_v3.SLDPRT6061UTA424,25 32socket head cap screw 8-32 x 1 inaluminumFE rail_mount_dowel_pin.SLDPRTlong6061UTA cylinder_nut.SLDPRT6061UTA cam_rail_TR_1.SLDPRT6061UTA221,29,30 36cam_rail_TR_2.SLDPRT6061UTA221,29,30 37cam_rail_TR_3.SLDPRT6061UTA221,29,30 parts list for subassembly: PIT_rail_20mm_assembly.SLDASM (on test)

8 8 part/filecnfgmaterialsourcetot # p. ref grph 38socket head cap screw 8-32 x.375 inaluminumFE48 39shoulder screw 8-32 MC 95446A220brassMC24 40rail_holder_sq_bar.SLDPRTCFLBNL26 41rail_holder.SLDPRTring on bearing6061UTA435,36 42rail_holder.SLDPRTring on insert plus west end connection 6061UTA232,34 43linear bearing liner Pacific Bearing FMN20PB Retain_ext_modified_MC98541A139.SLDPRTsteelMC/LBNL set screw dog MC 92505A191steelMC bullet nose diamond pin MC 31335A31steelMC6 47bullet nose aligning pin MC 31335A11steelMC6 48bullet nose liner MC 31335A51steelMC8 49liner_MC_31445A116.SLDPRTsteelMC4 50rail_holder_west_strap.SLDPRTMIC6UA233 parts list for subassembly: PIT_rail_20mm_assembly.SLDASM (on test)

9 9 details for rail_test_system.SLDASM pages 8-14 tolerances: ±0.25 mm unless specified

10 10 PIT_end_fixture.SLDPRT (PIT east end)PIT_end_fixture.SLDPRT (PIT west end) west side west side east side east side LBNL water jet from 2 in MIC6 leave ¼ in on outer edges and round hole to be machined off cut lightning holes on model line after water jetting these parts will be sent to UTA for final machining

11 11 PIT_end_fixture.SLDPRT (PIT west end) ref surfaces tooling ball location tolerance on front and back side: ±0.025 mm diameter tolerance: mm slip fit for Brunson adapter surface location tolerance: ±.050 mm sets SSD location and probably sets glue bond thickness 1 of 6 location tolerance: mm sets SSD location width tolerance: mm -.00 mm slip fit 1/8 in pin hole position tolerance:.05 mm hole diameter tolerance: 0.05 mm sideways hole position tolerance: ±.05 mm press fit for 1/8 in dowel pin. hole diameter tolerance: mm hole position tolerance: ±0.05 mm hole diameter tolerance: mm press fit for bullet/diamond pin liners hole position tolerance: ±.025 mm hole diameter tolerance: mm for slip fit on ¼ in pin tolerances on (PIT east end) configuration the same where applicable

12 12 PST_end_fixture.SLDPRT (east) west configuration similar, but fewer holes tolerances for both configurations the same as PIT_end_fixture.SLDPRT where applicable, see previous page ref surfaces water jet at LBNL machining at UTA LBNL water jet from 2 in MIC6 leave ¼ in on edges and round hole to be machined away cut lightning holes on model line these parts are in PST_trans_v2.SLDASM which is now included in

13 13 IDS_flange_alignment_pin.SLDPRT both diameter tolerances: mm for slip fits

14 14 PIT_base_fixture.SLDPRT (PIT, PIT mid, PST) plane and parallel to ±0.05 mm length tolerance: ±0.05 mm sideways position tolerance ±0.05 mm slip fit for 1/8 dowel pin width tolerance: mm water jet OK for lightning holes and all non specified edges water jet and machine at LBNL tolerances the same for all three configurations

15 15 grand_master_kin_assembly.SLDASM

16 16 this plane perpendicular to a ref cylinder axis line between holes centered on ref cylinder axis to ±0.05 mm separation tolerance ±0.05 mm or match drilled with butch_plate_single.SLDPRT diameter tolerance: mm mm for bullet insert press fit this and other 2 similar planes tolerances to chord and axis of ref cylinder: ±0.05 mm ±0.05 mm tolerances are to preserve glue bond thicknesses these and other similar holes diameter tolerance: mm for press fit with tooling balls, glue in OK if ends up sloppy grand_master.SLDPRT

17 17 grand_master.SLDPRT separation tolerance: ±.25 mm or match drill with grand_master_support_plate.SLDPRT diameter tolerance: ±0.125 mm for slip fit

18 18 butch_plate_single.SLDPRT surfaces parallel to 0.05 mm hole position tolerance with respect to each other: ±0.05 mm can be match drilled to appropriate parts diameter tolerance: mm for press fit with bullet liners

19 19 position tolerance: ±.25 mm or match drill with grand_master.SLDPRT diameter tolerance: mm for press fit with 1/8 inch dowel pin per McMaster Carr recommendation for their pin grand_master_support_plate.SLDPRT mill top face only from ½ stock slightly less than 1/2 thick plate no problem

20 20 details for sub assembly PIT_rail_20mm_assembly.SLDASM (on test) pages tolerances: ±0.25 mm unless specified

21 PIT_rail_20mm_single_v2.SLDASM fileconfigmaterialquant.image PIT_rail_20mm_single_v2.SLDASM PIT test TN2 PIT_rail_20mm_single_v2.SLDASM PIT test TS2 21

22 fileconfigmaterialquantityimage PIT_rail_20mm.SLDPRTeast v2CF4 PIT_rail_20mm.SLDPRTmain v2CF12 tolerance OD m ID m 22

23 fileconfigmaterialquant.image PIT_rail_mount_20mm_v2.SLDASMtester normal 8 PIT_rail_mount_20mm_v2.SLDASMtester mirror 8 23

24 24 PIT_rail_mount_20mm_v2.SLDASM ( tester normal) 8-32 x 1 in aluminum cap screws vender: Fastner-express.com PIT_rail_arm_anchor_post_v2.SLDPRT PIT_rail_hanger_ext_v3.SLDPRT rail_mount_dowel_pin.SLDPRT (long) PIT_rail_arm_20mm_v2.SLDPRT cylinder_nut.SLDPRT PIT_rail_coupler_20mm_v2.SLDPRT

25 fileconfigmaterialquant.image PIT_rail_hanger_ext_v3.SLDPRTMCC 88805K64 8 PIT_rail_hanger_ext_mirror_v3.SLDPRTMCC 88805K64 8 fillet not important, remove sharp edges diam +.05mm - 0 #8-32 tap all small holes 25

26 diam +0mm – 0.013mm press fit with 1/8 in dowel pin fileconfigmaterialquant.image PIT_rail_arm_anchor_post_v2.SLDPRT #8-32 tap one hole diam mm 26

27 #8-32 tap 4 holes diameter tolerance mm slip fit 1/8 in pin surface to cyl. surface tolerance.05 mm (controls glue bond thickness) 27 PIT_rail_arm_20mm_v2.SLDPRT

28 28 fileconfigmaterialquant.image PIT_rail_coupler_20mm.SLDPRT diameter tolerance: mm affects rail position diameter tolerance: ±.05mm affects glue bond

29 fileconfigmaterialquant.image cam_rail_TR_1.SLDPRTv cam_rail_TR_2.SLDPRTv cam_rail_TR_3.SLDPRTv thickness tolerance ± 0.13 mm for the 3 pieces

30 fileconfigmaterialquant.image cam_rail_TL_1_v2.SLDPRTv cam_rail_TL_2_v2.SLDPRTv cam_rail_TL_3_v2.SLDPRTv thickness tolerance ± 0.13 mm for the 3 pieces 30

31 each guide rail has one end fixed and one end sliding lengthwise detail from PIT_rail_20mm_single_v2.SLDASM partconfigmaterialquant.image 8-32 x.375 in aluminum socket head vender: Fastner-express.com aluminum32 total 8-32 shoulder head MC 95446A220 brass32 total 31

32 fileconfigmaterialquant.image rail_holder_termination_assembly.SLDASM 2 32

33 fileconfigmaterialquant.image rail_holder_strap_assembly.SLDASM 2 rail_holder_west_strap.SLDPRT tolerance of relative position of inner holes to each other ±.025 mm (controls glue bond thickness, and must match bullet pins on other parts) inner hole diameter tolerance mm (press fit for bullet nose liners) 33 make from.5 x 2 bar back side and long edges not machined, will change model to be 2 in wide

34 fileconfigmateri al quant.image rail_holder.SLDPRT ring on insert plus west end connection bullet nose (McMaster 31335A11) 1 per diamond nose (McMaster 31335A31) 1 per tolerance 4 outer edges ± mm ( controls glue bond thickness and limits slider binding) tolerance inner hole position ± mm tolerance inner hole diameter mm (press fit nose bushings) 34

35 fileconfigmateri al quant.image rail_holder.SLDASM 4 Retain_ext_modified_MC98541A139.SLDPRT 8 per rail_holder.SLDPRT ring on bearing per linear bearing liner, Pacific bearing FMN20 4 per set screw dog 8-32 McMaster 92505A191 steel4 per MC master-Carr part number 98541A139 with one ear ground off and hot glued to prevent rotation. Two retainers on each bearing liner tolerances on this part, see next page 35

36 fileconfigmateri al quant.image rail_holder.SLDPRT ring on bearing tolerance on 4 outer edges and centers of 4 open circles ±.050 mm ( controls rail positions, must avoid slider binding) diameter tolerance of 4 open circles mm-0 (fit bearing liners without forcing) 36

37 37 kin_cross_support.SLDPRT All fillets and chamfers shown in the model can be eliminated, deburring is sufficient Fillet from endmill radius OK These 6 holes will have balls glued in. The holes are slightly oversize for a glue bond and a vent hole has been added so that the balls will not piston out due to a trapped air bubbles. These devices are designed for reproducibility of placement. Precision is not so important as long as the location of the three parts in the grandmaster_kin_assembly.SLDASM are not interchanged. These 3 parts and their positions will be labled.

38 38 References: MC FE PB CL


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