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MC B1 Inspection

This report provides comprehensive inspection data on the MC Type A and B wings, focusing on the machined surfaces and their deviations from nominal CAD specifications. Key findings include measurements indicating areas of out-of-tolerance (OOT) concerning profile dimensions, with specific clearances reported for various interfaces, such as large wing pocket and flange interface. The inspection confirms that most machined surfaces are acceptable, though slight variations in surface measurements are documented. Continued monitoring for consistency in future castings is recommended.

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MC B1 Inspection

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  1. MC B1 Inspection MTM data: 65708-1 FIDUCIALS.IGS 65708-1 DATA.IGS Pro/E model: b1_mtm_data_check.asm T. Brown 9/26/06

  2. Profile of M to MI: 114 point are OOT. Max + = 0.0129” OOT Max - = -0.0152” OOT

  3. M-M1 SIDE-A OOT .013

  4. M-M1 SIDE-A OOT .015

  5. N-N1 SIDE-B OOT .022 Profile of N to NI: 93 point are OOT. Max + = 0.022” OOT Max - = -0.0167” OOT

  6. Type-B wing Type-A wing pocket MC Type-A to Type-B large wing interface clearance is 0.378” in the CAD model.

  7. SIDE-A OUTER WING -.12/-.25 -.074 / -.086 -.062 / -.088 +.092 / +.098 -.006 / -.025 +.009 / +.036 +.023 / +.039 MC Type B Wing – Flange D Side: The machine surface is acceptable.

  8. SIDE-A INNER POCKET +0 / -.12 MC Type-A to Type-B large wing pocket interface clearance is 0.358” in the CAD model.

  9. In general most area has a negative surface cut except where noted. See next slide for MTM data. +.111 +.093 +.023 .001 .084 .114 Surface data measures slightly different for MTM data. I assume due to shift caused by best fit. .096 .115 -.145 -.107 MC Type B Wing Pocket – D Side: The machine surface is acceptable.

  10. MTM inspection data for MC Type B Wing Pocket – Flange D Side

  11. MC Type-A to Type-B small wing pocket interface clearance is 0.445” in the CAD model.

  12. +0.38 +0.033 +0.041 +0.117 +0.214 +0.217 +0.218 +0.217 +0.208 +0.195 +0.087 Pocket 2 Flange D Side Surface data measures slightly different for MTM data. I assume due to shift caused by best fit. MTM inspection data

  13. 0.32” minimum clearance to nominal CAD surface. MC Type-A to Type-B small wing pocket: The machine surface is acceptable.

  14. MC Type-C to Type-B large wing pocket minimum interface clearance is 0.249” in the CAD model.

  15. -.020 / -.936 Nominal part thickness remaining is 2.48” -.229 -.071 -.670 -.936 -.081 -.730 -.621 -.74 -.020 -.086 -.052 / -.115 Pocket E Side: All negative surface values. The machine surface is acceptable.

  16. Point offset is .459”. OOT by 0.25” Point offset is .316”. OOT by 0.065” Surface acceptable PROFILE OF INSIDE CAST D SIDE

  17. HOLE POSITIONS IN FEET: +0.032 max OOT. Will check future B castings for consistency prior to finalizing matching interface.

  18. Outside Wing Flange E Side Interfacing Type-C surface MC Type-C to Type-B interface clearance at wing flange E side is 0.272” in the CAD model located at the edge of the wing. Point data shown in next view graph. Machined surface meets our requirements.

  19. +.009 / +.049 -.033 -.004 -.031 -.008 -.012 -.032 Outside Wing Flange E Side MTM point data

  20. PROFILE OF DATUM D SURFACE +/- .010” 7 point are OOT. Max + = 0.0033” OOT Max - = -0.0028” OOT Surface acceptable

  21. PROFILE OF DATUM E SURFACE +/- .010” 8 point are OOT. Max = -0.0010” OOT Surface acceptable

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