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Quarter-turn flat belt 12 × 1.5 for two Ø40 pulleys at right angles (loop drawn on the pulleys)

How long is this quarter-turn belt? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: quarter turn belt, twisted belt, correa de cuarto de vuelta, halbgeschränkter Riemen

Exact dimensions. True size, with no printing tolerance added.

length
47.67 mm
width
103.0 mm
height
47.67 mm

Notes

  • 12 × 1.5 mm belt, inside length 271.4 mm, for two Ø40 pulleys on shafts at right angles, each pulley's mid-plane tangent to the other's belt circle; both pulleys get 216.87° of wrap.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Quarter-turn flat belt 12 × 1.5 for two Ø40 pulleys at right angles size chart

dimensionvalue
width × thickness12 × 1.5 mm
inside length271.4 mm
wrap216.87° on each pulley

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Henry T. Brown (1868, public domain)Five Hundred and Seven Mechanical Movements — scan on archive.orgwebPublisher's page; dimensions are facts
507movements.comBrown's movement No. 4: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Xem Studio design: free to use, print and sell things from; not to be republished as files. Xem Studio Design License. index.json

flat-belt-12x1-5-quarter-turn-40-40belt loopSTEP · STL
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Plain text: sheet.txt · JSON: /api/geometry?object=flat-belt-12x1-5-quarter-turn-40-40

Quarter-turn flat belt 12 × 1.5 for two Ø40 pulleys at right angles (loop drawn on the pulleys), isometric render of a generated part
Render of flat-belt-12x1-5-quarter-turn-40-40 from the free STEP; not to scale.

Fits with

Quarter-turn belt between shafts at right angles (no guide pulleys), isometric render of a generated part
Quarter-turn belt between shafts at right angles (no guide pulleys)5 sizes★ 1 file

Questions

How long is this quarter-turn belt?

12 × 1.5 mm belt, inside length 271.4 mm, for two Ø40 pulleys on shafts at right angles, each pulley's mid-plane tangent to the other's belt circle; both pulleys get 216.87° of wrap.