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Waved wheel on an upright shaft lifting and lowering a bar

How does a waved wheel make a bar rise and fall? · Hardware · basis: Xem Studio design following Brown No. 165 (1868)

Also called: waved wheel, face cam, wave cam, undulating face cam, rueda ondulada con barra, Wellenscheibe mit Stößel

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

sizes
4 in table

Notes

  • The upper face of a wheel on an upright shaft rises and falls in waves round its circumference. A bar standing on it through a roller is lifted by each crest and lowered by each hollow as the wheel turns: two waves give two strokes per turn, with the motion of the wave's shape (here a sine).
  • Ø60 wheel, face z = 14 + 4 sin 2θ (8 mm stroke, two per turn); a 623 bearing on a radial pin under an 8 × 8 bar rests on it, drawn on a crest. The bar's guide is not drawn.
  • Brown's No. 165 (waved wheel on an upright shaft giving a rising and falling motion to a bar).
  • Parts (each has its own page): waved-face-wheel-60-2-waves-a4-bore8, waved-wheel-follower-bar-8x8-roller-pin, ball-bearings-metric, dowel-pins-metric, linear-shafts-h6.
  • Brown's movement No. 165 (1868) shows it; this model is a Xem Studio design following his figure, every part at true size.

Waved wheel on an upright shaft lifting and lowering a bar size chart

parametervalue
wheelØ60, 2 waves
stroke8 mm
strokes per turn2
roller623 bearing, radial axis

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. 165: figure, his text and an animationwebPublisher'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

waved-wheel-reciprocating-bar-mechanism-assemblyAssembled mechanism, all parts placed at one pose (STEP keeps each part separate)STEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=waved-wheel-reciprocating-bar-mechanism

Waved wheel on an upright shaft lifting and lowering a bar, isometric render of a generated part
Render of waved-wheel-reciprocating-bar-mechanism-assembly from the free STEP; not to scale.

Fits with

Waved-face wheel Ø60, top face z = 14 + 4 sin 2θ, Ø8 bore, isometric render of a generated part
Waved-face wheel Ø60, top face z = 14 + 4 sin 2θ, Ø8 bore60.0×60.0×18.0 mm★ 1 file
Follower bar 8 × 8 × 60 with a Ø3 cross hole for a roller pin, isometric render of a generated part
Follower bar 8 × 8 × 60 with a Ø3 cross hole for a roller pin8.0×8.0×60.0 mm★ 1 file
Ball bearings, 683 to 6210 and flanged F6xx (ISO 15), isometric render of a generated part
Ball bearings, 683 to 6210 and flanged F6xx (ISO 15)44 sizes★ 44 files
Dowel pins, 2–6 mm (ISO 2338 / DIN 6325), isometric render of a generated part
Dowel pins, 2–6 mm (ISO 2338 / DIN 6325)5 sizes★ 23 files
Linear shafts Ø3 to Ø25 mm (h6), 100 to 1000 mm long, isometric render of a generated part
Linear shafts Ø3 to Ø25 mm (h6), 100 to 1000 mm long10 sizes★ 70 files

Questions

How does a waved wheel make a bar rise and fall?

The upper face of a wheel on an upright shaft rises and falls in waves round its circumference. A bar standing on it through a roller is lifted by each crest and lowered by each hollow as the wheel turns: two waves give two strokes per turn, with the motion of the wave's shape (here a sine).