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Rod guide 20 × 20 × 18 with an 8 × 8 slot

What guides the yoke's rod? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: rod guide, guía de vástago, Stangenführung

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

length
20.0 mm
width
20.0 mm
height
18.0 mm

Notes

  • Block with an 8 × 8 slot through it, aligned with the yoke's rod: keeps the yoke moving on a straight line.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Rod guide 20 × 20 × 18 with an 8 × 8 slot size chart

dimensionvalue
block20 × 20 × 18
slot8 × 8

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. 93: 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

scotch-yoke-rod-guide-8x8as drawn in the mechanism's own frameSTEP · 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.
Set it up →

Plain text: sheet.txt · JSON: /api/geometry?object=scotch-yoke-rod-guide-8x8

Rod guide 20 × 20 × 18 with an 8 × 8 slot, isometric render of a generated part
Render of scotch-yoke-rod-guide-8x8 from the free STEP; not to scale.

Fits with

Questions

What guides the yoke's rod?

Block with an 8 × 8 slot through it, aligned with the yoke's rod: keeps the yoke moving on a straight line.