{
 "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": "tusi-carrier-15",
 "name": "Carrier arm, 15 mm centres, Ø10 holes",
 "kind": "modern",
 "category": "Hardware",
 "group": "Mechanism parts",
 "year": null,
 "question": "What is the carrier arm of a Tusi couple?",
 "tags": [
  "mechanism part",
  "507 mechanical movements"
 ],
 "aliases": [
  "tusi carrier",
  "hypocycloid carrier arm",
  "brazo portador",
  "Stegarm"
 ],
 "overall_mm": {
  "length": 33,
  "width": 18,
  "height": 5
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/tusi-carrier-15/",
 "sheet_txt": "https://xemstudio.com/objects/tusi-carrier-15/sheet.txt",
 "sheet": {
  "basis": "Xem Studio design following Brown's figure (1868); true size, no printing allowance",
  "overall_mm": {
   "length": 33,
   "width": 18,
   "height": 5
  },
  "notes": [
   "18 × 5 mm arm with two Ø10 holes 15 mm apart: turns on the ring gear's centre and carries the 30-tooth planet so it rolls inside the 60-tooth ring.",
   "Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features)."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "centres",
     "15 mm"
    ],
    [
     "holes",
     "2 × Ø10"
    ]
   ]
  }
 },
 "sheet_text": "Carrier arm, 15 mm centres, Ø10 holes — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/tusi-carrier-15/  (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 33.0, width 18.0, height 5.0\n- 18 × 5 mm arm with two Ø10 holes 15 mm apart: turns on the ring gear's centre and carries the 30-tooth planet so it rolls inside the 60-tooth ring.\n- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).\n\ndimension  value\ncentres  15 mm\nholes  2 × Ø10\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. 329: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_329.html\n- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/tusi-couple-straight-line-mechanism/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/tusi-carrier-15/index.json\nAPI: https://xemstudio.com/api/geometry?object=tusi-carrier-15\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. 329: figure, his text and an animation",
   "url": "https://507movements.com/mm_329.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/tusi-couple-straight-line-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": [
  "tusi-couple-straight-line-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 the carrier arm of a Tusi couple?",
   "a": "18 × 5 mm arm with two Ø10 holes 15 mm apart: turns on the ring gear's centre and carries the 30-tooth planet so it rolls inside the 60-tooth ring."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "tusi-carrier-15",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tusi-carrier-15/tusi-carrier-15.step",
   "stl": "https://xemstudio.com/files/hardware/tusi-carrier-15/tusi-carrier-15.stl",
   "note": "carrier arm, z 0..5"
  }
 ],
 "markdown": "https://xemstudio.com/objects/tusi-carrier-15/index.md"
}