{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "flanged-flat-pulley-80",
 "name": "Flanged flat-belt pulley Ø80, 16 mm face, Ø8 bore",
 "kind": "modern",
 "category": "Hardware",
 "group": "Mechanism parts",
 "year": null,
 "question": "What is a Ø80 flat belt pulley?",
 "tags": [
  "mechanism part",
  "507 mechanical movements"
 ],
 "aliases": [
  "flat belt pulley",
  "flanged pulley",
  "polea para correa plana",
  "Flachriemenscheibe"
 ],
 "overall_mm": {
  "length": 86,
  "width": 86,
  "height": 20
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/flanged-flat-pulley-80/",
 "sheet_txt": "https://xemstudio.com/objects/flanged-flat-pulley-80/sheet.txt",
 "sheet": {
  "basis": "Xem Studio design following Brown's figure (1868); true size, no printing allowance",
  "overall_mm": {
   "length": 86,
   "width": 86,
   "height": 20
  },
  "notes": [
   "Ø80 × 16 mm straight face between two Ø86 × 2 flanges (20 wide overall), Ø8 bore: carries a 16 mm flat belt.",
   "Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features)."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "face",
     "Ø80 × 16 mm"
    ],
    [
     "flanges",
     "Ø86 × 2"
    ],
    [
     "bore",
     "Ø8"
    ]
   ]
  }
 },
 "sheet_text": "Flanged flat-belt pulley Ø80, 16 mm face, Ø8 bore — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/flanged-flat-pulley-80/  (CC BY 4.0)\nBasis: Xem Studio design following Brown's figure (1868); true size, no printing allowance\nCatalog version: 2026-10-20\n\nOverall (mm): length 86.0, width 86.0, height 20.0\n- Ø80 × 16 mm straight face between two Ø86 × 2 flanges (20 wide overall), Ø8 bore: carries a 16 mm flat belt.\n- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).\n\ndimension  value\nface  Ø80 × 16 mm\nflanges  Ø86 × 2\nbore  Ø8\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Henry T. Brown (1868, public domain): Five Hundred and Seven Mechanical Movements — scan on archive.org — web — Publisher's page; dimensions are facts — https://archive.org/details/fivehundredseven00browiala\n- 507movements.com: Brown's movement No. 1: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_001.html\n- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/belt-and-pulleys-mechanism/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/flanged-flat-pulley-80/index.json\nAPI: https://xemstudio.com/api/geometry?object=flanged-flat-pulley-80\n",
 "sources": [
  {
   "publisher": "Henry T. Brown (1868, public domain)",
   "title": "Five Hundred and Seven Mechanical Movements — scan on archive.org",
   "url": "https://archive.org/details/fivehundredseven00browiala",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "507movements.com",
   "title": "Brown's movement No. 1: figure, his text and an animation",
   "url": "https://507movements.com/mm_001.html",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Xem Studio",
   "title": "drawing",
   "url": "https://xemstudio.com/objects/belt-and-pulleys-mechanism/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "belt-and-pulleys-mechanism"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "What is a Ø80 flat belt pulley?",
   "a": "Ø80 × 16 mm straight face between two Ø86 × 2 flanges (20 wide overall), Ø8 bore: carries a 16 mm flat belt."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "flanged-flat-pulley-80",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/flanged-flat-pulley-80/flanged-flat-pulley-80.step",
   "stl": "https://xemstudio.com/files/hardware/flanged-flat-pulley-80/flanged-flat-pulley-80.stl",
   "note": "pulley, axis Z, z 0..20"
  }
 ],
 "markdown": "https://xemstudio.com/objects/flanged-flat-pulley-80/index.md"
}