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Flat belt 16 × 1.5 for two Ø40 pulleys at 120 mm (loop drawn on the pulleys)

How long is a flat belt for two pulleys? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: flat belt, belt loop, correa plana, Flachriemen

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

length
163.0 mm
width
43.0 mm
height
16.0 mm

Notes

  • Open flat belt 16 mm wide, 1.5 mm thick, drawn wrapped on two Ø40 pulleys 120 mm apart: inside length = 2C + π(D₁ + D₂)/2 = 240 + 125.66 = 365.66 mm (equal pulleys).
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Flat belt 16 × 1.5 for two Ø40 pulleys at 120 mm size chart

dimensionvalue
width × thickness16 × 1.5 mm
inside length365.66 mm
forØ40 + Ø40 at 120 mm

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. 8: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

flat-belt-16x1.5-l365.66belt loop, z 22..38STEP · STL
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Plain text: sheet.txt · JSON: /api/geometry?object=flat-belt-1-5x16-pulleys-40-120

Flat belt 16 × 1.5 for two Ø40 pulleys at 120 mm (loop drawn on the pulleys), isometric render of a generated part
Render of flat-belt-16x1.5-l365.66 from the free STEP; not to scale.

Fits with

Stepped cone pulleys (three speeds by moving the belt), isometric render of a generated part
Stepped cone pulleys (three speeds by moving the belt)4 sizes★ 1 file

Questions

How long is a flat belt for two pulleys?

Open flat belt 16 mm wide, 1.5 mm thick, drawn wrapped on two Ø40 pulleys 120 mm apart: inside length = 2C + π(D₁ + D₂)/2 = 240 + 125.66 = 365.66 mm (equal pulleys).