Sunon FG-4 40 mm fan guard - provenance.json

Overview Files Skills Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

main

John Lauer Correct guard support geometry to 5 mm height and clear mounting hardware; include Fusion library fa540fc 8d ago

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

{
  "schemaVersion": 1,
  "mpn": "FG-4",
  "manufacturer": "Sunon",
  "status": "incomplete-drawing-led-model",
  "origin": "independently drawn from dimensioned manufacturer sheet; unspecified geometry illustrative",
  "sourceUrl": "https://www.sunon.com/eu/MANAGE/Docs/PRODUCT/338/380/metal%20filter%20guard.pdf",
  "sourceDrawingLabel": "FG-04 For 40mm Fan",
  "sourcePage": 1,
  "sourceSha256": "65d846ecd0413d24fba82d2fa773c7384e244ef980510335199d1fed87b1becc",
  "retrievedOn": "2026-10-12",
  "specifiedMm": {
    "mountingPitch": 32,
    "mountingOpeningDiameter": 4,
    "wireDiameter": 1.6,
    "overallHeight": 5
  },
  "tolerances": "No applicable tolerances identified on this sheet; never treat nominal dimensions as guaranteed limits.",
  "inferredMm": {
    "ringCenterRadii": [
      8,
      13.6
    ],
    "mountingEyeCenterRadius": 2.8,
    "ringCenterHeight": 4.2,
    "eyeCenterHeight": 0.8
  },
  "omitted": [
    "Exact wire bend profile and weld geometry",
    "Physical coating and manufacturing tolerances",
    "Guard compliance and strength qualification"
  ],
  "verifiedOptimalBoundsMm": [
    -19.600000100000003,
    -19.600000100000003,
    -1e-07,
    19.600000100000003,
    19.600000100000003,
    5.0000001
  ],
  "generator": "build_model.py",
  "generatorSha256": "d41ccd4e989c3b13f07c69d3e0babdd7c26b2427da5d6a1b1d0367d66d7a2340",
  "stepSha256": "896a965911db8cb1d862e492cb8a26643d73b5bba67afdd4e265c9d533185564",
  "redistribution": "Original generator and independently drawn model licensed MIT. Source PDF is linked, not redistributed.",
  "mechanicalRole": "Off-board fan accessory; no electrical pins or implied PCB holes",
  "safety": "No finger-protection, IP, load-bearing or manufacturing qualification."
}